Wednesday, 21 September, 2011
16:45 -- 18:30
Poster Area (Foyer A B C)

We.10. Poster • POSTER SESSION

 
We.10.P1.01 • 16:45
SWEEP-FREE DISTRIBUTED BRILLOUIN SENSING USING MULTIPLE PUMP AND PROBE TONES
Asher Voskoboinik1, Omer F. Yilmaz1, Alan Wilner1, Moshe Tur2; 1Department of Electrical Engineering-systems, USC, USA; 2School of Electrical Engineering, Tel Aviv University, Israel.
Using multiple pump and probe tones, a frequency-sweep-free method for distributed Brillouin sensing, is proposed, having the potential for fast dynamic strain measurements. Experimentally, a spatial resolution on the order of 1-meter is demonstrated.
 
We.10.P1.02 • 16:45
EXTENDING THE EFFECTIVE AREA OF COILED ALL-SOLID SILICA SINGLE-MODE BRAGG FIBERS
Catherine Baskiotis1, Yves Quiquempois1, Marc Douay1, Pierre Sillard2; 1PhLAM, UMR 8523, IRCICA, Université Lille 1, France; 2Draka Communications, France.
We demonstrate the feasibility of all-solid silica single-mode Bragg fibers with 60μm-core diameter and effective area of 1020μm2 for the fundamental mode at 1.06μm and a 20cm bend radius by breaking the cladding periodicity.
 
We.10.P1.03 • 16:45
HIGHLY SENSITIVE TEMPERATURE SENSOR BASED ON THE SIDE-HOLE OPTICAL FIBER FILLED WITH INDIUM
Bok Hyeon Kim1, Seungho Lee2, Dong Hoon Song2, Tae-Jung Ahn3, Soan Kim1, Won-Taek Han2; 1Advanced Photonics Research Institute (APRI), Gwangju Institute of Science and Technology (GIST), Republic of Korea; 2Graduate Program of Photonics and Applied Physics, School of Information and Communications, Gwangju Institute of Science and Technology (GIST), Republic of Korea; 3Dept. Photonic Engineering, Chosun University, Republic of Korea.
A highly sensitive temperature sensor based on a side-hole fiber filled with indium was proposed and its optical characteristics were experimentally demonstrated. The temperature sensitivity of the sensor was estimated to be dλ/dT=−7.5nm/°C.
 
We.10.P1.04 • 16:45
FM MODE-LOCKED FIBER OPTICAL PARAMETRIC OSCILLATOR
Sigang Yang1, Qin Li2, K. Lui2, Kenneth K. Y. Wong2; 1Dept. of Electronic Engineering, Tsinghua University, China; 2Dept. of Electrical and Electronic Engineering, The University of Hong Kong, China.
An FM mode-locked fiber optical parametric oscillator is demonstrated. By introducing periodic phase perturbation in the cavity, 10-GHz pulse train can be obtained. The output signal has a side-mode suppression ratio of 55 dB
 
We.10.P1.05 • 16:45
FUSION-SPLICED HIGHLY NONLINEAR SOFT-GLASS W-TYPE INDEX PROFILED FIBRE WITH ULTRA-FLATTENED, LOW DISPERSION PROFILE IN 1.55µM TELECOMMUNICATION WINDOW
Xian Feng1, Jindan Shi1, Giorgio M. Ponzo1, Francesco Poletti1, Marco N. Petrovich1, Nicholas White1, Periklis Petropoulos1, Morten Ibsen1, Wei H. Loh1, David Richardson1; 1Optoelectronics Research Centre, University of Southampton, United Kingdom.
We report arc fusion splicing of highly nonlinear soft glass fibre with a flattened, near-zero dispersion profile at 1.55µm to conventional silica fibre. Reasonable splice loss values and watt-level power handling are demonstrated.
 
We.10.P1.06 • 16:45
HYBRID RAMAN/EDFA AMPLIFICATION OF NEXT GENERATION OPTICAL FIBERS
Kasyapa Balemarthy1, Robert Lingle1; 1OFS, USA.
We show that increasing effective area is more beneficial than lowering fiber loss with optimized hybrid Raman/EDFA amplification for next generation fibers. A pump power limit of 1W has marginal impact on next-gen fiber performance.
 
We.10.P1.07 • 16:45
GENERATION OF 113 COHERENT AND FREQUENCY-LOCK MULTI-CARRIERS USING CASCADED PHASE MODULATORS AND EDFA LOOP FOR TB/S OPTICAL COMMUNICATION
Junwen Zhang1, Jiangbo Zhu1, Jianjun Yu1, Nan Chi1, Yufeng Shao1, Bo Huang1, Li Tao1; 1Communication Science and Engineering, Fudan University, China.
We investigate to generate coherent and frequency-lock optical multi-carriers by using cascaded phase modulators and recirculating frequency shifter (RFS) based on an EDFA loop. 113 coherent and frequency-lock subcarriers with tone-to-noise ratio larger than 26dB are generated. The amplitude difference of subcarriers obtained after a tilt filter covering about 22.6nm is less than 5dB.
 
We.10.P1.08 • 16:45
MODE DISCRIMINATION AND BENDING PROPERTIES OF FOUR-CORE HOMOGENEOUS COUPLED MULTI-CORE FIBER
Yasuo Kokubun1, Toshinori Komo1, Katsuhiro Takenaga2, Shoji Tanigawa2, Shoichiro Matsuo2; 1Graduate School of Eng., Yokohama National University, Japan; 2Optics and Electronics Laboratory, Fujikura Ltd., Japan.
Coupled modes of homogeneous coupled multi-core fiber are selectively excited and discriminated utilizing the difference of equivalent propagation angle. The mode conversion due to bending is investigated using far-field pattern observation.
 
We.10.P1.09 • 16:45
FLAT, BROADBAND SUPERCONTINUUM GENERATION AT LOW PULSE ENERGIES IN A DISPERSION-TAILORED LEAD-SILICATE FIBRE
Giorgio M. Ponzo1, Xian Feng1, Peter Horak1, Francesco Poletti1, Marco N. Petrovich1, Wei H. Loh1, David Richardson1; 1Optoelectronics Research Centre (ORC), United Kingdom.
We report flat, broadband supercontinuum generation at low pump pulse energies (69pJ 740fs pulses at 1540nm) in a lead-silicate fibre providing a unique combination of high nonlinearity (820W-1km-1) and a flat near-zero dispersion profile.
 
We.10.P1.10 • 16:45
MULTI-WAVELENGTH PULSE GENERATION USING A RAMAN AMPLIFICATION-BASED ADIABATIC SOLITON COMPRESSOR
Quang Nguyen-The1, Hung Nguyen Tan1, Motoharu Matsuura2, Naoto Kishi1; 1Department of Information and Communication Engineering, The University of Electro-Communications, Japan; 2The Center for Frontier Science and Engineering, The University of Electro-Communications, Japan.
A multi-wavelength pulse generation at 10 Gb/s using Raman amplification-based adiabatic soliton compressor is demonstrated. The duration of both compressed pulses can be simultaneously controlled from 16.0 ps to 2.0 ps by adjusting Raman pump power.
 
We.10.P1.11 • 16:45
9.5GB/S NRZ TRANSMISSION THROUGH 50M MICROSTRUCTURED POLYMER FIBRE IN THE VISIBLE
Richard Provo1, Stuart G. Murdoch1, John D. Harvey1, Richard Lwin2, Sergio G. Leon-Saval2, Alexander Argyros2; 1Department of Physics, The University of Auckland, New Zealand; 2Institute of Photonics and Optical Science (IPOS), School of Physics, University of Sydney, Australia.
We demonstrate the transmission of a 9.5Gb/s data signal through a record length of 50m of microstructured polymer optical fiber. The signal suffers from minimal modal dispersion and a power penalty of 1dB.
 
We.10.P1.12 • 16:45
NEW APPROACH FOR GENERATING AND (DE)MULTIPLEXING OAM MODES IN A FIBER COUPLER CONSISTING OF A CENTRAL RING AND FOUR EXTERNAL CORES
Yan Yan1, Jian Wang1, Lin Zhang1, Jeng-Yuan Yang1, Irfan M. Fazal1, Nisar Ahmed1, Bishara Shamee1, Alan Willner1, Kevin Birnbaum2, John Choi2, Baris Erkmen2, Sam Dolinar2; 1University of Southern California, USA; 2Jet Propulsion Lab, USA.
We propose a fiber coupler to generate up to ten orbital angular momentum modes, which can be generated with 20-dB extinction ratio and mode purity of >99% using a 2-mm-long fiber. The fiber design can be extended to enable all-fiber spatial mode (de)multiplexing.
 
We.10.P1.13 • 16:45
ALL-FIBERED HIGH-QUALITY 20-GHZ AND 40-GHZ PICOSECOND PULSE GENERATOR
Ibrahim El-Mansouri1, Julien Fatome1, Stephane Pitois1, Christophe Finot1, Michel Lintz2; 1ICB, Laboratoire Interdisciplinaire Carnot de Bourgogne, France; 2ARTEMIS, Observatoire de la Côte d'Azur, France.
We investigate the generation of 20 and 40 GHz high quality pulse trains by nonlinear compression of an initial beating in a cavity-less optical-fiber-based configuration. Based on this source, 160-Gbit/s OTDM signal is successfully generated.
 
We.10.P1.14 • 16:45
TECHNIQUE FOR FABRICATING COMPLEX STRUCTURED FIBERS BY ROLLING OF GLASS PREFORMS
Zheng Gang Lian1, John Tucknott1, Nicholas White1, Limin Xiao1, Xian Feng1, David N. Payne1, Wei H. Loh1; 1Optoelectronic Research Centre, University of Southampton, United Kingdom.
We propose a new technique for making optical fiber preforms in order to realize complex structured optical fibers. The preforms are fabricated by rolling up custom-patterned flat glass sheets, and the resulting cylindrical structure drawn into optical fibers.
 
We.10.P1.15 • 16:45
HYBRID FIBER RAMAN-BISMUTH AMPLIFIER PUMPED BY SEMICONDUCTOR DISK LASER OPERATING AT 1.3 µM
Alexander Chamorovskiy1, Konstantin M. Golant2, Oleg G. Okhotnikov1; 1Optoelectronics Research Centre, Tampere University of technology, Finland; 2Kotel'nikov Institute of Radio-Engineering and Electronics, Russian Academy of Sciences, Russian Federation.
We present a hybrid low-noise Raman-bismuth doped fiber amplifier pumped in co-propagation configuration by a single 1.22 µm semiconductor disk laser. Performance is enhanced due to same pump-gain bandwidth separation for Raman shift and Bismuth.
 
We.10.P1.16 • 16:45
IMPORTANCE OF RESIDUAL STRESSES IN THE BRILLOUIN GAIN SPECTRUM OF SINGLE MODE OPTICAL FIBERS
Yolande Sikali Mamdem1, Ekaterina Burov2, Louis-Anne De Montmorillon2, Frédéric Taillade3, Yves Jaouen4, Gautier Moreau1, Renaud Gabet4; 1STEP, EDF R&D, France; 2Draka Communications, France; 3Université Paris Est, Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux, France; 4Institut Telecom/Telecom ParisTech, France.
Residual stresses inside optical fibers can impact significantly on Brillouin gain spectrum. Based on a 2D-FEM modeling, theoretical results are compared with Brillouin gain measurements for fibers from a same preform with different draw tensions.
 
We.10.P1.17 • 16:45
NOVEL TECHNIQUE FOR CHARACTERIZING SINGLE-MODE OPERABILITY IN OPTICAL FIBERS
Takashi Matsui1, Kazuhide Nakajima1, Yukihiro Goto1, Toshio Kurashima1; 1Access network service systems laboratories, NTT Corporation, Japan.
We propose a new technique for characterizing single-mode operability by monitoring far-field patterns via a variable aperture. Both mode transmission performance and cut-off wavelength can be clearly evaluated independent of fiber structure.
 
We.10.P1.18 • 16:45
SIMILARITON-BASED SPECTRAL INTERFEROMETRY FOR FEMTOSECOND SIGNAL CHARACTERIZATION
Aram Zeytunyan1, Meri Kalashyan1, Garegin Yesayan1, Levon Mouradian1, Frédéric Louradour2, Alain Barthélémy2; 1Ultrafast Optics Laboratory, Faculty of Physics, Yerevan State University, Armenia; 2XLIM, Université de Limoges/CNRS, France.
Similariton is used to provide a reference for the characterization of ultrashort pulses by spectral interferometry. Pulse profiles are compared with autocorrelation measurements and the ones carried out by a prototype of femtosecond oscilloscope.
 
We.10.P1.19 • 16:45
NONLINEAR OPTICAL FIBER POLARIZATION TRACKING AT 200 KRAD/S
Victor V. Kozlov1,2, Julien Fatome3, Philippe Morin3, Stephane Pitois3, Stefano Wabnitz1; 1Information Engineering, University of Brescia, Italy; 2Physics, St.-Petersburg University, Russian Federation; 3UMR 5209 CNRS, Universite de Bourgogne, France.
 We demonstrate endless nonlinear polarization stabilization with a standard telecom fiber at a tracking speed of 200 krads/s. We provide a simple analytical estimate for the response time of nonlinear polarization control.
 
We.10.P1.20 • 16:45
20 GB/S QPSK TRANSMISSION USING AN ELECTRO-OPTICALLY MODULATED VERTICAL-CAVITY SURFACE-EMITTING LASER
Zihad Qureshi1, Michael Crisp1, Jonathan D. Ingham1, Richard Penty1, Ian White1, James A. Lott2, Nikolay Ledentsov2; 1Engineering, University of Cambridge, United Kingdom; 2VI System GmbH, Germany.
20 Gb/s QPSK transmission over 100 m of OM3 fibre using an EOM VCSEL under QPSK modulation is reported. Bit-error-rate measurements are carried out to express the quality of the transmission scheme.
 
We.10.P1.21 • 16:45
EFFICIENT FIBRE-CHIP GRATING COUPLER FOR THICK SOI RIB WAVEGUIDES
Carlos A. Alonso-Ramos1, Alejandro Ortega1, Luis Zavargo-Peche1, Robert Halir1, Jose de-Oliva-Rubio1, Iñigo Molina-Fernandez1, Pavel Cheben2, Dan-Xia Xu2, Siegfried Janz2, Naksup Kim3; 1Ingenieria Comunicaciones, ETSI Telecomunicacion, Universidad Malaga, Spain; 2Institute for Microstructural Sciences, National Research Council of Canada, Canada; 3Canadian Photonics Fabrication Centre, Canada.
In this work a fiber to chip grating coupler in micrometric SOI rib waveguides is experimentally demonstrated, for the first time, with −4dB coupling efficiency when an inverse taper is used as excitation stage.
 
We.10.P1.22 • 16:45
SLOTTED SINGLE-MODE LASERS FOR MONOLITHIC PHOTONIC INTEGRATION
Qiaoyin Lu1, Wei-Hua Guo1, Marta Nawrocka1, Azat Abdullaev1, Michael Lynch1, Vincent Weldon1, John Donegan1; 1School of Physics, Trinity College Dublin, Ireland.
A single-mode laser structure suitable for monolithic photonic integration is presented. A low threshold, and a sidemode suppression ratio (SMSR) up to 52 dB have been predicted and realised for a 400 micron-long laser.
 
We.10.P1.23 • 16:45
WIDE DYNAMIC RANGE WAVELENGTH CONVERSION FOR 43GBPS NRZ SIGNAL USING SIMPLE FEEDBACK CONTROL WITH MONITOR PD AND GAIN CONTROL SOA
Nobuo Ohata1,3, Hiroshi Aruga1,3, Takeshi Yamatoya2,3, Takeshi Saito2,3, Yoshimichi Morita2,3, Eitaro Ishimura2,3, Atsushi Sugitatsu2,3; 1Mitsubishi Electric Corporation, Japan; 2Mitsubishi Electric Corporation, Japan; 3Photonics Electronics Technology Research Association, Japan.
We experimentally demonstrated wide dynamic range wavelength conversion employing simple feedback control with monitor PD and gain control SOA. Wide dynamic range of 10 dB was achieved for 43 Gbps NRZ signal.
 
We.10.P1.24 • 16:45
EXPERIMENTAL DEMONSTRATION OF UWB MONOCYCLE PULSE GENERATION USING TWO-PHOTON ABSORPTION IN A SILICON WAVEGUIDE
Yang Yue1, Hao Huang1, Lin Zhang1, Jian Wang1, Jeng-Yuan Yang1, Omer F. Yilmaz1, Jacob S. Levy2, Michal Lipson2, Alan Willner1; 1Electrical Engineering, University of Southern California, USA; 2School of Electrical and Computer Engineering, Cornell University, USA.
We propose and experimentally demonstrate UWB monocycle generation using non-degenerated two-photon absorption in a silicon waveguide. A 8.69-GHz 10-dB bandwidth (BW) and a 154.5% fractional bandwidth is achieved with a ~125 ps monocycle pulse.
 
We.10.P1.25 • 16:45
FFT OPTIMIZATION FOR PRACTICAL OFDM IMPLEMENTATIONS
Susmita Adhikari1, Beril Inan2, Ozgur Karakaya2, Werner Rosenkranz1, Sander Jansen3; 1Christian-Albrechts-Universität zu Kiel, Germany; 2Technische Universitaet Muenchen, Germany; 3Nokia Siemens Networks GmbH & Co. KG, Germany.
We investigate scaling the FFT-size in OFDM signal generated with FPGA-DAC set. Increasing FFT-size, creates challenges in optical back-to-back scenario due to less tolerance to phase noise. However, for transmission nonlinear tolerance was the same.
 
We.10.P1.26 • 16:45
WAVELENGTH CONVERSION OF 40-GB/S NRZ DPSK SIGNALS WITHIN A 45-NM RANGE USING A 1.3 µM QUANTUM-DOT SEMICONDUCTOR OPTICAL AMPLIFIER
Christian Meuer1, Holger Schmeckebier1, Carsten Schmidt-Langhorst3, Gerrit Fiol1, Dejan Arsenijevic1, Colja Schubert3, Gad Eisenstein1,2, Dieter Bimberg1; 1Inst. f. Festkoerperphysik, Technische Universitaet Berlin, Germany; 2Electrical Engineering Department, Technion, Israel; 3Heinrich Hertz Institute, Fraunhofer Institute for Telecommunications, Germany.
Error free wavelength conversion of a 40 Gb/s DPSK signal is presented in a wavelength range of 45 nm using a dual pump four-wave mixing scheme in a 1.3 µm quantum-dot semiconductor optical amplifier.
 
We.10.P1.27 • 16:45
10 GB/S TRANSMISSION AND THERMO-OPTIC RESONANCE TUNING IN SILICON-PLASMONIC WAVEGUIDE PLATFORM
Dimitrios Kalavrouziotis1, Giannis Giannoulis1, Dimitrios Apostolopoulos1, Sotiris Papaioannou2,8, Ashwani Kumar3, Sergey Bozhevolnyi3, Laurent Markey4, Karim Hassan4, Jean C. Weeber4, Alain Dereux4, Matthias Baus5, Matthias Karl5, Tekin Tolga6, Odysseas Tsilipakos7, Alexandros Pitilakis7, Emmanouil Kriezis7, Hercules Avramopoulos1, Konstantinos Vyrsokinos2, Nikos Pleros2; 1Electrical & Computer Engineering, National Technical University of Athens, Greece; 2Department of Informatics, Aristotle University of Thessaloniki, Greece; 3Faculty of Engineering/Institute of Sensors, Signals and Electrotechnics, University of Southern Denmark, Denmark; 4Institut Carnot de Bourgogne, University of Burgundy, France; 5AMO Gesellschaft für Angewandte Mikro- und Optoelektronik GmbH, Germany; 6Fraunhofer IZM, Germany; 7Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Greece; 8Informatics & Telematics Institute (ITI) - Centre for Research and Technology Hellas (CERTH), Greece.
The first system-level experimental results of hybrid Si-DLSPP structures incorporated into a SOI chip are reported. We demonstrate over 7nm Thermo-optical tuning of a Si-Plasmonic racetrack-resonator and verify error-free 10Gb/s transmission through 60um Si-Plasmonic waveguide.
 
We.10.P1.28 • 16:45
SILICON MACH-ZEHNDER MODULATOR OF EXTINCTION RATIO BEYOND 10DB AT 10.0-12.5GBPS
Kensuke Ogawa1, Kazuhiro Goi1, Yong Tsong Tan1, Tsung-Yang Liow2, Xiaoguang Tu2, Qing Fang2, Guo-Qiang Lo2, Dim-Lee Kwong2; 1Optics and Electronics Laboratory, Fujikura Limited, Japan; 2Institute of Microelectronics, Singapore.
 Silicon Mach-Zehnder modulators with reduced series resistance in lateral PN junction rib-waveguide phase shifters are characterized in eye-diagram measurements. The modulators reveal extinction ratio beyond 10dB at 10.0-12.5Gbps, approaching lithium-niobate modulators in high-speed performance.
 
We.10.P1.29 • 16:45
LGLC LASER MONOLITHICALLY INTEGRATED WITH LOW-LOSS, DUAL-CORE, SPOT-SIZE CONVERTER FOR TUNABLE XFP MODULES
Takanori Suzuki1, Hideo Arimoto1, Takeshi Kitatani1, Aki Takei1, Takafumi Taniguchi1, Kazunori Shinoda1, Shigehisa Tanaka1, Shinji Tsuji1, Tatemi Ido1, Jun Igarashi2, Atsushi Nakamura2, Kazuhiko Naoe2, Masanobu Okayasu2; 1Central research laboratory, Hitachi, Ltd., Japan; 2Opnext Japan Inc., Japan.
A tunable LGLC laser monolithically integrated with dual-core SSC for tunable XFP modules has been developed. FWHMs of horizontal and vertical FFPs were narrowed to 20° and 25° under 0.5dB low excess loss in C-band.
 
We.10.P1.30 • 16:45
POLARIZATION INDEPENDENT OPERATION OF U-TURN SHAPE SEMICONDUCTOR OPTICAL AMPLIFIER BY USING PLC-BASED POLARIZATION DIVERSITY CIRCUIT
Hideaki Hasegawa1, Masaki Funabashi1, Kazuomi Maruyama1, Takeshi Akutsu1, Noriyuki Yokouchi1, and Kazutaka Nara1; 1Furukawa Electric Co., Ltd., Japan.
The PDG of the SOA module was less than 1 dB in a wavelength range of 1540-1570 nm. We also clarified that the PDG was dominated by the SOA gain slope with an input power.
 
We.10.P1.31 • 16:45
HEAT RESISTANT AND LOW-LOSS FLUORINATED POLYMER OPTICAL WAVEGUIDES AT 1310/1550 NM FOR OPTICAL INTERCONNECTS
Shotaro Takenobu1, Takashi Okazoe1; 1Asahi Glass CO.,LTD., Japan.
Multi-mode polymer optical waveguides using heat resistant and low-loss fluorinated polymers were demonstrated. We fabricated 125-cm-long optical waveguides and estimated the propagation loss at 1310/1550 nm. The reliability and the thermal stability were also evaluated.
 
We.10.P1.32 • 16:45
CHIRP REDUCTION UTILIZING PHASE SQUEEZING PROPERTY IN PPLN-BASED PHASE SENSITIVE AMPLIFIER
Masaki Asobe1, Takeshi Umeki1, Kouji Enbutsu1; 1NTT Photonics Laboratorie, Japan.
The phase squeezing property in a PPLN-based phase sensitive amplifier was utilized to reduce frequency chirp in a 40Gbit/s NRZ signal generated by an EA modulator. Chirp reduction was confirmed by the improved dispersion tolerance.
 
We.10.P1.33 • 16:45
LINEAR REGIME EXTENSION TECHNIQUE IN PARALLEL LINBO3 INTERFEROMETRIC ARCHITECTURES FOR UWB APPLICATIONS
Roberto Llorente1, Maria Morant1, Jerome Hauden2, Terence Quinlan3, Alexandre Mottet2, Stuart Walker3; 1Valencia Nanophotonics Technology Center, Universidad Politecnica de Valencia, Spain; 2Photline Technologies, France; 3School of Computer Science and Electronic Engineering, University of Essex, United Kingdom.
 A parallel architecture modulator is demonstrated which offers SFDR>25dB across a 1.4V bias range compared to just 0.5V in a conventional MZ-EOM. Additionally, RoF UWB signal EVM is improved by 2.2dB after 57 km transmission
 
We.10.P1.34 • 16:45
WIDE TEMPERATURE RANGE 0 < T < 85 °C NARROW LINEWIDTH DISCRETE MODE LASER DIODES FOR COHERENT COMMUNICATIONS APPLICATIONS
John O'Carroll1,2, Richard Phelan1, Brian Kelly1, Diarmuid Byrne1, Liam Barry2, James O'Gorman1,3; 1Eblana Photonics Ltd.,, Ireland; 2Rince Institute, Dublin City University, Ireland; 3Xylophone Optics Ltd., Ireland.
We report on monolithic devices with linewidths as low as 138kHz which operate in a narrow linewidth, single mode with high sidemode supression ratio over a wide temperature tuning range of -10°C < T < 110°C.
 
We.10.P1.35 • 16:45
NARROW LINE-WIDTH 1.31-ΜM WAVELENGTH TUNABLE QUANTUM DOT LASER USING SANDWICHED SUB-NANO SEPARATOR GROWTH TECHNIQUE
Naokatsu Yamamoto1, Kouichi Akahane1, Tetsuya Kawanishi1, Yuki Yoshioka2, Hiroshi Takai2; 1NICT, Japan; 2Tokyo Denki University, Japan.
 By using sandwiched sub-nano separator, we successfully fabricated a 210-kHz linewidth ultra-broadband 1.31-μm wavelength tunable external cavity quantum dot laser, which can be useful for coherent transmission systems in O-band.
 
We.10.P1.36 • 16:45
LATERAL INTEGRATION OF VCSEL AND SLOW LIGHT MODULATOR
Toshikazu Shimada1, Ayumi Fuchida1, Fumio Koyama1; 1Tokyo Institute of Technology, Japan.
We present the first demonstration of the lateral integration of VCSEL and miniature slow light modulator. A 20μm-long slow-light electro-absorption modulator exhibits an extinction ratio of 5dB at a low modulator voltage swing of 1.2V.
 
We.10.P1.37 • 16:45
ALL-OPTICAL T FLIP-FLOP USING A SINGLE SOA-MZI AND A FEEDBACK LOOP
Konstantinos Vyrsokinos1, Paraskevas Bakopoulos2, Dimitsios Fitsios3, Theoni Alexoudi1,3, Dimitrios Apostolopoulos2, Hercules Avramopoulos2, Amalia Miliou3, Nikos Pleros3; 1Informatics and Telematics Institute, Center for Research and Technology Hellas, Greece; 2School of Electrical and Computer Engineering, National Technical University of Athens, Greece; 3Department of Informatics, Aristotle University of Thessaloniki, Greece.
We present an all-optical T flip-flop that requires a single toggling driving signal and is based on a SOA-MZI and a feedback loop. Experimental proof-of-principle verification is demonstrated at 7.969Mb/s using a fiber-based feedback implementation.
 
We.10.P1.38 • 16:45
SIMULTANEOUS MULTI-FORMAT REGENERATION IN A LARGE-SCALE PHOTONIC INTEGRATED CIRCUIT
Marios Bougioukos1, Dimitrios Klonidis2, Alexandros Maziotis1, Maria Spyropoulou1, Panagiotis Gkroumas1, Dimitrios Apostolopoulos1, Christos Kouloumentas1, Paraskevas Bakopoulos1, Robert Harmon3, Dave Rogers3, James Harrison3, Alistair Poustie3, Graeme Maxwell3, Ioannis Tomkos2, Hercules Avramopoulos1; 1National Technical University of Athens, Greece; 2Athens Information Technology Center, Greece; 3CIP Technologies, United Kingdom.
Simultaneous dual-channel OOK and DPSK regeneration at 21.328Gb/s using a single monolithic quad-SOA array hybridly integrated on a silica-on-silicon PLC is demonstrated. The transmission performance of the regenerated signals was evaluated up to 950 km.
 
We.10.P1.39 • 16:45
NOVEL APPROACH FOR HENRY FACTOR MEASUREMENT BASED ON SINUSOIDAL OPTICAL PHASE MODULATION
Jean-Guy Provost1, Anthony Martinez2, Alexandre Shen1, Abderrahim Ramdane2; 1III-V Lab, a joint lab of 'Alcatel-Lucent Bell Labs France', 'Thales Research and Technology' and 'CEA Leti', France; 2CNRS Laboratory for Photonisc and Nanostructures, France.
Simultaneous measurement of the Henry factor of 14 longitudinal modes is implemented using a novel method based on sinusoidal phase modulation, without using any filter. Excellent agreement with fiber transfer function technique is achieved.
 
We.10.P1.40 • 16:45
HIGH-MESA RIDGE/BH HYBRID STRUCTURE OPTICAL GATING DEVICE BASED ON CROSS-ABSORPTION MODULATION OF ELECTRO-ABSORPTION MODULATOR
Atsushi Yamada1, Yasuaki Nagashima1, Shinichi Onuki1, Takashi Mori2, Akihito Otani2, Kenji Kawano1; 1Anritsu Devices Co.,Ltd., Japan; 2Anritsu Corporation, Japan.
We developed an optical gating device using a bulk layer and high mesa ridge/BH hybrid structure with input power of 14.5 dBm. The shortest gating width of 3.9 ps was obtained in all-optical sampling experiments.
 
We.10.P1.41 • 16:45
CHARACTERIZING SILICON WAVEGUIDES: LOCAL ATTENUATION AND DISTRIBUTED REFLECTIVITY
Jost Müller1, Ernst Brinkmeyer1; 1Optical Communication Technology (E-11), TU-Hamburg-Harburg, Germany.
Characterizing silicon nanophotonic waveguides with regard to local loss and distributed reflectivity, localized return loss, capture fraction, and properties of waveguide tapers is shown to be feasible. Our OFDR-based technique is reliable, fast and nondestructive.
 
We.10.P1.42 • 16:45
EXPERIMENTAL DEMONSTRATION OF ATTENUATION-BASED ALL-OPTICAL TIME-TO-LIVE INDICATOR
Ajay S. Garg1, Howard Wang1, Cathy Chen1, Keren Bergman1; 1Electrical Engineering, Columbia University, USA.
A novel attenuation-based Optical Time-To-Live indicator is demonstrated for DWDM All-Optical Packet Switches using a 1×2 SOA-based optical switch. Error-free operation is verified for packetized 4×10Gb/s pseudorandom payloads with three different Optical Time-To-Live limits.
 
We.10.P1.43 • 16:45
ALL-OPTICAL SELECTIVE WAVELENGTH SHIFTER IN A SOA-MZI
An Nguyen1, Claudio Porzi1, Giovanni Serafino1, Francesco Fresi1, Giampiero Contestabile1, Antonella Bogoni2; 1Scuola Superiore Sant'Anna, Italy; 2CNIT, Italy.
Simultaneous selective wavelength conversion and data erasing of a burst of data under an optical gate in a single SOA-MZI is experimentally demonstrated. Error free operation at 10 Gb/s without any bit loss is reported.
 
We.10.P1.44 • 16:45
10 GHZ PULSE SOURCE FOR 640 GBIT/S OTDM BASED ON LINBO3 MODULATORS AND SELF-PHASE MODULATION
Hao Hu1, Hans Christian Hansen Mulvad1, Christophe Peucheret1, Michael Galili1, Anders T. Clausen1, Palle Jeppesen1, Leif K. Oxenlowe1; 1DTU Fotonik, Technical University of Denmark, Denmark.
We demonstrate a 10 GHz 680 fs pulse source tunable over the C-band, based on a CW laser, 10-GHz LiNbO3-modulators and fibre-based SPM compressors. The pulses are used to generate error-free 640 Gbit/s OTDM data.
 
We.10.P1.45 • 16:45
DYNAMIC LINEWIDTH MEASUREMENT TECHNIQUE USING DIGITAL INTRADYNE COHERENT RECEIVERS
Robert Maher1, Benn C. Thomsen1; 1Electronic and Electrical Engineering, UCL, United Kingdom.
 The linewidth settling time of a fast switching tuneable laser is investigated using a dynamic coherent receiver and we show that a minimum linewidth can be realised within 70ns of a wavelength switching event.
 
We.10.P1.46 • 16:45
IMPACTS OF ENOB ON THE PERFORMANCE OF 112GBPS PDM-QPSK DIGITAL COHERENT RECEIVER
B. Mao1, Nebojsa Stojanovic1, Changsong Xie1, Ming Chen1, L. N. Binh1, Ning Yang1; 1Huawei Technologies, European Research Center, Germany.
 Experimentally measured and theoretically deduced model of ENOB of ADC in digital coherent receivers is demonstrated. ENOB impacts on performance of 112 Gbps polarization multiplexed QPSK systems in linear and nonlinear regimes are investigated.
 
We.10.P1.47 • 16:45
AUTO BIAS CONTROL TECHNIQUE FOR OPTICAL 16-QAM TRANSMITTER WITH ASYMMETRIC BIAS DITHERING
Hiroto Kawakami1, Takayuki Kobayashi1, Eiji Yoshida1, Yutaka Miyamoto1; 1NTT Network Innovation Laboratories, Japan.
ABC (Auto Bias Control) technique for QAM (Quadrature Amplitude Modulation) transmitter is demonstrated. 16-QAM (10G baud) is generated and controlled using a single IQ modulator and asymmetric bias dithering technique. Measured penalty is 0.3dB
 
We.10.P1.48 • 16:45
BIT DEPTH AND SAMPLE RATE TUNABLE DIGITAL TO ANALOG CONVERTER USING CONVERSION/DISPERSION BASED DELAYS
Mohammad Reza Chitgarha1, Salman Khaleghi1, Omer F. Yilmaz1, Alan Willner1; 1University of Southern California, USA.
We experimentally demonstrate a bit depth and sample rate tunable and reconfigurable optical digital to analog converter (DAC) using conversion/dispersion based delays with optical multicasting and multiplexing. 4-bit 10-GSample/s optical DAC is realized with ~2% and ~5.6% error from theory for electrical and optical multiplexing, respectively.
 
We.10.P1.49 • 16:45
FLEXIBLE BANDWIDTH ARBITRARY MODULATION FORMAT, COHERENT OPTICAL TRANSMISSION SYSTEM SCALABLE TO TERAHERTZ BW
David J. Geisler1, Nicolas Fontaine1, Ryan P. Scott1, Loukas Paraschis2, Ori Gerstel2, S. J. Ben Yoo1; 1Electrical and Computer Engineering, University of California, Davis, USA; 2Cisco Systems, USA.
 We present an arbitrary modulation format, bandwidth scalable transmission system based on parallel spectral slice generation and measurement with experimental results of 2-ns, 60-GHz bandwidth single carrier, 15 subcarrier CoWDM, and 54 subcarrier OFDM waveforms.
 
We.10.P1.50 • 16:45
ALL-OPTICAL NACK FOR FAST PACKET RETRANSMISSION IN AWGR-BASED OPTICAL SWITCHES
Roberto Proietti1, Runxiang Yu1, Shuang Yin1, Yawei Yin1, Xiaohui Ye1, Venkatesh Akella1, S. J. Ben Yoo1; 1Electrical and Computer Engineering, UC Davis, USA.
This paper presents an all-optical technique to provide an on-the-fly physical layer negative acknowledgement for packet retransmission in AWGR-based all-optical switches for datacom. Fast NACK notification and packet retransmission is demonstrated.
 
We.10.P1.51 • 16:45
SIMULTANEOUS MULTICHANNEL WAVELENGTH CONVERSION OF 50-GB/S NRZ-DQPSK SIGNALS WITH 100-GHZ CHANNEL SPACING USING A QUANTUM-DOT SOA
Motoharu Matsuura1,2, Nicola Calabretta1, Oded Raz1, Harm Dorren1; 1COBRA Research Institute, Eindhoven University of Technology, Netherlands; 2The Center for Frontier Science and Engineering, University of Electro-Communications, Japan.
 We show simultaneous 4-channels wavelength conversion of 50-Gb/s NRZ-DQPSK signals with 100-GHz channel spacing using a quantum-dot SOA. Error-free, low-power penalty operations are successfully achieved with a variety of channel numbers and positions.
 
We.10.P1.52 • 16:45
SIMULTANEOUS DISPERSION COMPENSATION OF WDM CHANNELS USING IN-LINE PARAMETRIC TUNABLE DISPERSION COMPENSATOR
Ken Tanizawa1, Junya Kurumida1, Masanori Takahashi2, Takeshi Yagi2, Shu Namiki1; 1Network Photonics Research Center, AIST, Japan; 2FITEL Photonics Lab., Furukawa Electric. Co. Ltd., Japan.
We demonstrate wavelength-preserving parametric tunable dispersion compensator with cascaded polarization-insensitive parametric tunable wavelength conversion based on degenerate FWM in PM-HNLF. Simultaneous dispersion compensation of four channels of 43-Gbit/s NRZ-OOK signal is successfully achieved.
 
We.10.P1.53 • 16:45
ENERGY EFFICIENT OFDM TRANSCEIVER BASED ON TRAFFIC TRACKING AND ADAPTIVE BANDWIDTH ADJUSTMENT
Junqiang Hu1, Dayou Qian1, Ting Wang1; 1NEC Labs America, Inc., USA.
We report a solution for power savings in OFDM-based digital transceivers, by adaptively tuning signal bandwidth, sampling rate, and number of parallel processing modules based on instant network traffic load.
 
We.10.P1.54 • 16:45
IMPACT OF LONGITUDINAL POWER BUDGET IN COHERENT SYSTEMS EMPLOYING DIGITAL BACK-PROPAGATION
Danish Rafique1, Andrew Ellis1; 1Photonic Systems Group, Tyndall National Institute, University College Cork, Ireland.
We demonstrate that optimization of longitudinal signal power profile by employing single-step mount improves the transmission performance when nonlinear fibre impairments are compensated in coherently-detected 112 Gb/s PM-m-QAM, with comparable optimization criterion across various formats.
 
We.10.P1.55 • 16:45
WORLD FIRST MODE/SPATIAL DIVISION MULTIPLEXING IN MULTI-CORE FIBER USING LAGUERRE-GAUSSIAN MODE
Yoshinari Awaji1, Naoya Wada1, Yasunori Toda2, Tetsuya Hayashi3; 1National institute of information and communications technology, Japan; 2Hokkaido University, Japan; 3Sumitomo electric industries, Japan.
We combined multi-core fiber technology and Laguerre-Gaussian mode to explore further increase of transmission capacity. Preservation of orbital angular momentum through multi-core fiber propagation sustained error free transmission of mode/spatial multiplexed 10 Gb/s channels.
 
We.10.P1.56 • 16:45
A ROBUST DEFLATION BASED DEMULTIPLEXING ALGORITHM FOR PSK/QAM COHERENT OPTICAL SYSTEMS
Mehrez Selmi1, Philippe Ciblat1, Yves Jaouen1, Christophe Gosset1; 1ComElec, Telecom ParisTech, France.
We propose an adaptation of the CMA algorithm in order to ensure singularity-free transmission independently of the channel characteristics. This adaptation is implemented using a blockwise approach in 112Gbit/s context and valid for PSK/QAM formats.
 
We.10.P1.57 • 16:45
25-GBIT/S, OVER-100-M MMF TRANSMISSION USING 1.3-ΜM-RANGE, CMOS-BASED LOW-POWER TRANSCEIVER FOR OPTICAL INTERCONNECTS
Yong Lee1,2, Daichi Kawamura1, Toshiaki Takai3, Kenji Kogo1, Koichiro Adachi1,2, Toshiki Sugawara1, Norio Chujo3, Yasunobu Matsuoka1, Saori Hamamura3, Kinya Yamazaki4, Yoshiaki Ishigami4, Takashi Takemoto1,2, Fumio Yuki1,2, Hiroki Yamashita1,2, Shinji Tsuji1,2; 1Central Research Laboratory, Hitachi Ltd., Japan; 2Photonics Electronics Technology Research Association, Japan; 3Yokohama Research Laboratory, Hitachi, Ltd., Japan; 4Research&Development Laboratory, Hitachi Cable, Ltd., Japan.
A low-power transceiver for optical interconnects, composed of 1.3-μm-range microlens-integrated optical devices and CMOS ICs, was developed. It demonstrated 25-Gbit/s error-free transmission with over-100-m multi-mode fiber (MMF) and low-power consumption of 9 mW/Gbit/s.
 
We.10.P1.58 • 16:45
ROUTABLE OTDM TO WDM CONVERTER ENABLED BY A PROGRAMMABLE OPTICAL PROCESSOR
Miguel V. Drummond1, Antonio Teixeira1, Paulo P. Monteiro1, Rogério N. Nogueira1; 1Instituto de Telecomunicações, Portugal.
We propose a 160 Gb/s OTDM to 40x40 Gb/s WDM converter able to map an arbitrary input tributary to an arbitrary output wavelength. Error-free performance was achieved in several input tributary to output channel mappings.
 
We.10.P1.59 • 16:45
FEED-FORWARD OPTICAL DOMAIN CARRIER RECOVERY FROM HIGH BAUD RATE PSK SIGNALS USING RELATIVELY SLOW ELECTRONICS
Radan Slavik1, Joseph Kakande1, David Richardson1; 1University of Southampton, United Kingdom.
 Carrier recovery based on four-wave mixing and intra-band RF frequency division is evaluated in real time. We demonstrate <1Hz frequency tracking of a semiconductor laser and carrier extraction from a dispersed 20 Gbit/s BPSK signal.
 
We.10.P1.60 • 16:45
MEASUREMENT OF THE PHASE NOISE TRACKING CAPABILITY OF A DIGITAL COHERENT RECEIVER
Martin Sjödin1, Henk Wymeersch2, Pontus Johannisson1, Magnus Karlsson1, Peter Andrekson1; 1Microtechnology and Nanoscience, Chalmers University of Technology, Sweden; 2Signals and Systems, Chalmers University of Technology, Sweden.
We present a method to evaluate the phase noise tracking performance of a digital coherent receiver. Measurements of the phase error variance of QPSK at different symbol rates are presented for two different algorithms.
 
We.10.P1.61 • 16:45
PERFORMANCE IMPROVEMENT OF 10GB/S DIRECT MODULATION OFDM BY OPTICAL INJECTION USING MONOLITHICALLY INTEGRATED DISCRETE MODE LASERS
Colm Browning1, Kai Shi1, Sylwester Latkowski1, Prince Anandarajah1, Frank Smyth1, Barry Cardiff1, Richard Phelan2, Liam Barry1; 1The Rince Institute, Dublin City University, Ireland; 2Eblana, Ireland.
Performance improvement of a directly modulated 10Gb/s OFDM system by optical injection is shown experimentally over differing fiber lengths. The modulation and optical injection is performed using monolithically integrated Discrete Mode lasers.
 
We.10.P1.62 • 16:45
PRECISE MODAL EXCITATION IN MULTIMODE FIBRE FOR CONTROL OF MODAL DISPERSION AND MODE-GROUP DIVISION MULTIPLEXING
Joel Carpenter1, Timothy D. Wilkinson1; 1Electrical Engineering, University of Cambridge, United Kingdom.
Each mode of a multimode fibre is excited using binary phase patterns on a Spatial Light Modulator and verified by observation of the near-field leaving the fibre and analysis of the step response.
 
We.10.P1.63 • 16:45
NONLINEAR TOLERANCE OF POLARIZATION-MULTIPLEXED QPSK TRANSMISSION OVER MIXED FIBER LINKS
José F. Pina1, Chunmin Xia1, Arne Striegler1, Dirk Van den Borne1; 1Nokia Siemens Networks, Portugal.
 The nonlinear tolerance of 40-Gb/s and 100-Gb/s CP-QPSK signals is investigated for mixed fiber links without chromatic dispersion compensation. We show that mixed fiber configurations can significantly affect the nonlinear threshold.
 
We.10.P1.64 • 16:45
A FAST ETHERNET FSO LINK PERFORMANCE UNDER THE FOG CONTROLLED ENVIRONMENT
Sujan Rajbhandari1, Joaquin Perez1, Hoa Le Minh1, Zabih Ghassemlooy1; 1Optical Communications Research Group, CEIS, Northumbria University, United Kingdom.
A fast Ethernet 100BASE-TX FSO link performance is evaluated within a dedicated indoor atmospheric chamber performing BER of <10-6 under thick fog controlled condition corresponding to an outdoor visibility range higher than 70 m.
 
We.10.P1.65 • 16:45
REAL-TIME-REALIZABLE FILTERED-MULTI-TONE (FMT) MODULATION FOR LAYERED-FFT NYQUIST WDM SPECTRAL SHAPING
Alex Tolmachev1, Moshe Nazarathy1; 1EE, Technion, Israel.
An end-to-end FMT system, based on a novel layered FFT polyphase realization of uniform DFT filter banks, improves upon Reduced Guardband Interval (RGI) coherent OFDM, enabling highly efficient Nyquist WDM, amenable to real-time FPGA/ASIC parallelization.
 
We.10.P1.66 • 16:45
TWO-MODE MULTIPLEXING AT 2×10.7 GBPS OVER 7-CELL HOLLOW-CORE PHOTONIC BAND GAP FIBER
Jing Xu1, Christophe Peucheret1; 1DTU Fotonik, Technical University of Denmark, Denmark.
We demonstrate two-mode multiplexing at 2×10.7 Gbps over 7-cell hollow-core photonic band gap fiber. BER performances below FEC threshold limit (3.3×10-3) are shown for both data channels.
 
We.10.P1.67 • 16:45
Withdrawn
 
We.10.P1.68 • 16:45
CHARACTERIZATION AND MITIGATION OF NONLINEAR IMPAIRMENTS IN MULTI-SPAN TRANSMISSIONS USING AN EQUIVALENT SINGLE-SPAN MODEL
Hadrien Louchet1, Andre Richter1; 1VPIsystems, Germany.
We show that an equivalent single-span model can be used to characterize, predict, and mitigate efficiently nonlinear impairments in multi-span transmission systems.
 
We.10.P1.69 • 16:45
ON THE PEAK-TO-AVERAGE POWER RATIO DISTRIBUTION ALONG FIBER IN THE OPTICAL OFDM TRANSMISSIONS
Yuki Yoshida1, Akihiro Maruta1, Ken-ichi Kitayama1; 1Electrical, Electronics and Information Engineering, Graduate School of Engineering, Osaka University, Japan.
This paper studies the PAPR distribution along fiber in optical OFDM systems and reveals the PAPR enhancement phenomenon due to the fiber nonlinearity, which causes problems in the BER performance and the required dynamic range of the receiver.
 
We.10.P1.70 • 16:45
SOFT-DECISION LDPC TURBO DECODING FOR DQPSK MODULATION IN COHERENT OPTICAL RECEIVERS
Fan Yu1, Nebojsa Stojanovic2, Fabian N. Hauske2, Deyuan Chang1, Gerhard Bauch3, Doris Pflueger3, Changsong Xie2, Yu Zhao2, Zhiyu Xiao1, Liangchuan Li1, Xiaogeng Xu1, Qianjin Xiong1; 1Network Research Department, HUAWEI Technologies CO., Ltd, China; 2European Research Center, Huawei Technologies Duesseldorf GmbH, Germany; 3Institute of Information Processing, UniBw Munich, Germany.
We investigate DQPSK modulation combined with QC-LDPC coding. By appling iterative demodulation and soft-decision decoding, the differential decoding penalty is reduced by 2.05dB offering an attractive solution for coherent optical systems with soft-decision FEC.
 
We.10.P1.71 • 16:45
SPECTRAL EFFICIENCY ENHANCEMENT USING COHERENT WDM WITH MULTI-LEVEL OFFSET-QAM
Jian Zhao1, Andrew Ellis1; 1Photonic Systems Group, Tyndall National Institute, Ireland.
 We propose offset-QAM based CoWDM, and show that the proposed system outperforms no-guard-interval optical OFDM and Nyquist WDM and enables the use of offset 4-, 16-, and 64-QAM with the performance approaching the theoretical limits.
 
We.10.P1.72 • 16:45
ON THE NONLINEAR THRESHOLD OF POLARIZATION-MULTIPLEXED QPSK TRANSMISSION WITH DIFFERENT DISPERSION MAPS
Chunmin Xia1, José F. Pina2, Arne Striegler1, Dirk Van den Borne1; 1NWS ON RD OE PA, Nokia Siemens Networks GmbH & Co. KG, Germany; 2NWS ON RD DWDM Lisbon SA PT, Nokia Siemens Networks GmbH & Co. KG, Portugal.
The nonlinear tolerance of CP-QPSK is investigated for both single channel and WDM transmission and different fiber types. We derive performance predictions for CP-QPSK transmission on different dispersion map and different span number.
 
We.10.P1.73 • 16:45
SPECTRUM-NARROWING TOLERANT RECEIVER USING MAXIMUM-LIKELIHOOD SEQUENCE ESTIMATION FOR PDM-16QAM 1,200-KM TRANSMISSION
Kengo Horikoshi1, Takayuki Kobayashi1, Shogo Yamanaka1, Etsushi Yamazaki1, Akihide Sano1, Eiji Yoshida1, Yutaka Miyamoto1; 1Network Innovation Laboratories, NTT Corporation, Japan.
 We propose spectrum-narrowing tolerant receiver architecture that employs a spectrum-narrowed adaptive-filter and maximum-likelihood sequence estimators. The architecture is applied to PDM-16QAM signal demodulation after 1200-km of transmission, and 0.5-dB of Q-factor enhancement is achieved
 
We.10.P1.74 • 16:45
CAPACITY UPGRADE OF LEGACY FIBER PLANT USING SPACE DIVISION MULTIPLEXING AND MULTIMODE/MULTICORE EDFAS
Hadrien Louchet1, Adrian A. Juarez2, Christian A. Bunge3, Peter M. Krummrich4, Andre Richter1, Klaus Petermann2; 1VPIsystems, Germany; 2Hochfrequenztechnik / Photonics, Technische Universität Berlin, Germany; 3Kommunikationstechnik, HfT-Leipzig, Germany; 4Hochfrequenztechnik, Technische Universität Dortmund, Germany.
 We present a novel concept for space-division multiplex with parallel transmission over legacy single-mode fibres with joint optical multi-channel amplifiers that are used by all fibres in common.
 
We.10.P1.75 • 16:45
NOVEL RZ-CW CONVERSION SCHEME FOR ULTRA MULTI-LEVEL, HIGH-SPEED COHERENT OTDM TRANSMISSION
Masataka Nakazawa1, Keisuke Kasai1, Masato Yoshida1, Toshihiko Hirooka1; 1Research Institute of Electrical Communication, Tohoku University, Japan.
We propose a coherent OTDM transmission technique that enables high SNR demodulation and demultiplexing performance by employing an RZ-CW conversion technique. The advantage of the scheme is demonstrated with 10-Gsymbol/s, 8-OTDM, 32-RZ/QAM signals.
 
We.10.P1.76 • 16:45
DEMONSTRATION OF 12.8-BIT/S/HZ SPECTRAL EFFICIENCY USING 16-QAM SIGNALS OVER MULTIPLE ORBITAL-ANGULAR-MOMENTUM MODES
Jian Wang1, Jeng-Yuan Yang1, Irfan M. Fazal1, Nisar Ahmed1, Yan Yan1, Bishara Shamee1, Alan Willner1, Kevin Birnbaum2, John Choi2, Baris Erkmen2, Sam Dolinar2, Moshe Tur3; 1Ming Hsieh Dept. of Electrical Engineering - Systems, University of Southern California, USA; 2Jet Propulsion Lab, USA; 3School of Electrical Engineering, Tel Aviv University, Israel.
We demonstrate an approach of four-mode multiplexing/demultiplexing using orthogonal Laguerre-Gaussian modes carrying orbital angular momenta. High spectral efficiency of 12.8-bit/s/Hz is achieved using 10.7-Gbaud 16-QAM signals over four Laguerre-Gaussian modes.
 
We.10.P1.77 • 16:45
160-GB/S ORTHOGONAL TIME-FREQUENCY DOMAIN MULTIPLEXED QPSK FOR ULTRA-HIGH-SPECTRAL-EFFICIENT TRANSMISSION
Takahide Sakamoto1,2, Atsushi Kanno1, Tetsuya Kawanishi1, Nicolas Fontaine2, David J. Geisler2, Ryan P. Scott2, S. J. Ben Yoo2; 1NICT, Japan; 2University of California, Davis, USA.
We demonstrate optical orthogonal time-frequency domain multiplexing (OTFDM), which inherits the advantages of high-speed OTDM and high-spectral-efficient OFDM. Single-Pol., 2-b/s/Hz, 160-Gb/s OTFDM-QPSK is achieved by optical time-domain processing.
 
We.10.P1.78 • 16:45
QUANTUM INFORMATION TO THE HOME
Iris Choi1, Robert J. Young1, Paul D. Townsend1; 1Photonic Systems Group, Tyndall National Institute, University College Cork, Ireland.
A novel Raman-noise suppression scheme has enabled the first quantum key distribution (QKD) over a Gigabit-Ethernet PON carrying realistic data traffic. The DPSK-QKD system produced a sifted-key rate of 84kb/s with a Quantum-BER of 4%.
 
We.10.P1.79 • 16:45
EVALUATION OF DIGITAL BACK-PROPAGATION PERFORMANCE DEPENDENT ON STEPSIZE AND ADC SAMPLING RATE FOR COHERENT NRZ- AND RZ-DQPSK EXPERIMENTAL DATA
Annika Dochhan1, Roi Rath1, Christina Hebebrand1, Jochen Leibrich1, Werner Rosenkranz1; 1Chair: for Communications, University of Kiel, Germany.
We experimentally transmit coherent NRZ-DQPSK and RZ-DQPSK over four spans of SSMF and compare the performance gain due to digital back-propagation and its dependency on back-propagation split-step size and ADC sampling rate.
 
We.10.P1.80 • 16:45
2.56 TBIT/S/CH POLARIZATION-MULTIPLEXED DQPSK TRANSMISSION OVER 300 KM USING TIME-DOMAIN OPTICAL FOURIER TRANSFORMATION
Pengyu Guan1, Toshiyuki Hirano1, Koudai Harako1, Yutaro Tomiyama1, Toshihiko Hirooka1, Masataka Nakazawa1; 1Research Institute of Electrical Communication, Tohoku University, Japan.
We demonstrate a 2.56 Tbit/s/ch polarization-multiplexed DQPSK transmission over 300 km. An ultrafast optical Fourier transformation technique was employed to reduce waveform distortions. The performance was mainly limited by inter-polarization crosstalk induced by second-order PMD.
 
We.10.P1.81 • 16:45
STOCHASTIC BACKPROPAGATION FOR COHERENT OPTICAL COMMUNICATIONS
Nan Jiang1, Yan Gong1, Johnny Karout1, Henk Wymeersch1, Pontus Johannisson2, Magnus Karlsson2, Erik Agrell1, Peter Andrekson2; 1Department of Signals and Systems, Chalmers University of Technology, Sweden; 2Department of Microtechnology and Nanoscience, Chalmers University of Technology, Sweden.
We present stochastic backpropagation, a novel maximum a posteriori detection method for coherent optical communication. The proposed detector is shown to outperform conventional backpropagation in a scenario where nonlinear phase noise is the dominant impairment.
 
We.10.P1.82 • 16:45
MODAL DISPERSION COMPENSATION TECHNIQUE FOR LONG-HAUL TRANSMISSION OVER FEW-MODE FIBRE WITH SIMO CONFIGURATION
Taiji Sakamoto1, Takayoshi Mori1, Nobutomo Hanzawa1, Takashi Yamamoto1, Shigeru Tomita1; 1NTT Access Network Service Systems Laboratories, NTT Corporation, Japan.
We propose a transmission distance-independent modal dispersion compensation technique using few-mode fibre with a single-input multi-output configuration. We transmitted signals over a 20 km-long two-mode fibre and compensated for modal dispersion using 1-tap FIR filters.
 
We.10.P1.83 • 16:45
OPTICAL SWITCHING AND DETECTION OF 640 GB/S OTDM DATA PACKETS TRANSMITTED OVER 50-KM OF FIBER
Fausto Gomez-Agis1, Hao Hu2, Jun Luo1, Hans Christian Hansen Mulvad2, Michael Galili2, Nicola Calabretta1, Leif K. Oxenlowe2, Harm Dorren1, Palle Jeppesen2; 1Electrical Engineering, University of Technology Eindhoven, Netherlands; 2Fotonik, Technical University of Denmark, Denmark.
We demonstrate 1X4 optical-packet switching with error-free transmission of 640 Gb/s single-wavelength OTDM data-packets including instantaneous clock extraction and short pulse generation for optical time-demultiplexing based on a cavity-less pulse source.
 
We.10.P1.84 • 16:45
EXPERIMENTAL DEMONSTRATION OF A DREAM-BASED OPTICAL TRANSPORT NETWORK WITH 1000 CONTROL PLANE NODES
Jie Zhang1, Xue Chen1, Yuefeng Ji1, Min Zhang1, Hongxiang Wang1, Yongli Zhao1, Yong Zhao2, Yong Tu2, Zhenyu Wang2, Han Li3; 1Beijing University of Posts and Telecommunications, China; 2ZTE Corporation, China; 3China Mobile, China.
We propose a scalable framework for triple M routing in dynamic optical networks and first experimentally demonstrates a DREAM-based optical transport network with 1000 control plane nodes and multi-terabit per second ODUk electrical cross-connects.
 
We.10.P1.85 • 16:45
ENERGY AWARE PLANNING OF MULTIPLE VIRTUAL INFRASTRUCTURES OVER CONVERGED OPTICAL NETWORK AND IT PHYSICAL RESOURCES
Anna Tzanakaki1, Markos P. Anastasopoulos1, Konstantinos Georgakilas1, Dimitra Simeonidou2; 1Athens Information Technology, Greece; 2University of Essex, United Kingdom.
This paper studies energy efficient planning of multiple concurrent infrastructures incorporating integrated optical network and IT resources. An MILP model for virtualization of the underlying physical resources is proposed and validated achieving significant energy savings.
 
We.10.P1.86 • 16:45
OPTICAL SWITCHING AND DETECTION OF 1.2 TB/S OPTICAL OFDM SIGNAL PACKET OVER 80 KM SMF TRANSMISSION
Ze Dong1,3, Jianjun Yu1, Gee-Kung Chang2, Nan Chi4; 1ZTE USA, ZTE USA, USA; 2Georgia Institute of Technology, USA; 3Hunan University, China; 4Fudan University, China.
We demonstrate how to generate 1.2 Tb/s optical packet with optical OFDM payload and OOK label for the first time. The key functions of optical packet generation, label separation and colorless optical OFDM payload detection are realized.
 
We.10.P1.87 • 16:45
LINEAR RANDOM CODE-BASED LABEL ENCODING SCHEME FOR LABEL SWAPPING FREE OLS NETWORKS
Steven S. Lee1, Kuang-Yi Li2, Alice Chen3; 1Communications Engineering, National Chung Cheng University, Taiwan; 2National Chung Cheng University, Taiwan; 3Industrial Technology Research Institute, Taiwan.
This paper presents a Linear Random Code (LRC)-based label encoding scheme for label swapping free Optical Label Switching (OLS) networks. Simulation results show that a 8-byte label is long enough for networks within 300 nodes.
 
We.10.P1.88 • 16:45
A NOVEL TECHNIQUE FOR SURVIVABLE MULTICAST ROUTING IN OPTICAL WDM MESH NETWORKS
Costas K. Constantinou1, Georgios Ellinas1; 1Department of Electrical and Computer Engineering, University of Cyprus, Cyprus.
 This paper presents a new multicast protection technique for optical WDM mesh networks based on a novel Steiner tree algorithm. The new technique has lower blocking probability and cost, compared to conventional protection methods.
 
We.10.P1.89 • 16:45
VALUE ANALYSIS METHODOLOGY FOR FLEXIBLE OPTICAL NETWORKS
Konstantinos Christodoulopoulos2, Marianna Angelou1, Dimitrios Klonidis1, Panagiotis Zakynthinos1, Manos Varvarigos2, Ioannis Tomkos1; 1Athens Information Technology Center, Greece; 2Computer Engineering and Informatics Department, University of Patras, Greece.
A methodology for the estimation of the value of flexible networking in comparison with standard WDM solutions is presented, and specifications for the cost of the required flexible transponders and WSSs are extracted.
 
We.10.P1.90 • 16:45
ANALYSING POWER CONSUMPTION DISTRIBUTION IN TRANSPARENT OPTICAL NETWORKS
Hari Priyanka Nunna1, Mohan Gurusamy1, Swaroop Nunna2, Carmen Mas Machuca2; 1Department of Electrical and Computer Engineering, National University of Singapore, Singapore; 2Institute for Communication Networks, Technical University of Munich, Germany.
Our paper analytically models the total energy consumption in transparent optical networks. We analyse its dependence on topology and node architecture through power consumption distribution and sensitivity analyses on US, German and European networks.
 
We.10.P1.91 • 16:45
ALL OPTICAL PACKET SWITCH BASED ON PERIODIC WAVELENGTH ARRANGEMENT IN ARRAYED WAVEGUIDE GRATING AND WIDEBAND OPTICAL FILTERS
Kai-Ming Feng1,2, Yu-Hsiang Wen2, Chung-Yu Wu1; 1Communications Engineering, Taiwan; 2Photonics Technologies, Taiwan.
We demonstrated a novel multi-function optical packet switch (OPS) composed of an arrayed waveguide grating and wideband optical filters. The proposed OPS has less active optical components, thus simplifies the complexity of traffic control.
 
We.10.P1.92 • 16:45
HOW TO CUT THE ELECTRIC BILL IN OPTICAL WDM NETWORKS WITH TIME-ZONES AND TIME-OF-USE PRICES
Cicek Cavdar1, Aysegul Yayimli2, Lena Wosinska1; 1Royal Institute of Technology, Sweden; 2Istanbul Technical University, Turkey.
We investigate the benefit of utilizing electric price difference between time intervals of the day for networks covering multiple time-zones. We show that by exploiting this time-and-price variation electric bill can be significantly reduced.
 
We.10.P1.93 • 16:45
EVOLUTIONARY OPTIMIZATION FOR ENERGY EFFICIENT SERVICE PROVISIONING IN IT AND OPTICAL NETWORK INFRASTRUCTURES
Markos P. Anastasopoulos1, Konstantinos Georgakilas1, Anna Tzanakaki1; 1AIT, Greece.
This paper focuses on energy efficient service provisioning in integrated IT and optical network infrastructures. A novel evolutionary distributed approach is proposed and compared with ILP based centralized approaches and modeling results quantify similar performance.
 
We.10.P1.94 • 16:45
THOUSAND-PORT OPTICAL PACKET SWITCH ARCHITECTURE WITH HIGHLY DISTRIBUTED CONTROL
Stefano Di Lucente1, Yoni Nazarathy1,2, Oded Raz1, Nicola Calabretta1, Harm Dorren1; 1EE, TU/e, Netherlands; 2EURANDOM, TU/e, Netherlands.
We present an optical packet switch architecture with highly distributed control and contention resolution based on wavelength conversion. Sub-microsecond end-to-end latency and high load operation are feasible while scaling to over thousand ports.
 
We.10.P1.95 • 16:45
EXPERIMENTAL EVALUATION OF A FULL-MESHED DOMAIN ABSTRACTION DESIGN MODEL FOR REDUCED STATE INFORMATION DISSEMINATION IN MULTI-DOMAIN PCE-BASED WSONS
Albert Pagès1, Ramon Casellas2, Jordi Perelló1, Ricardo Martinez2, Salvatore Spadaro1, Raül Muñoz2; 1Advanced Broadband Communications Center, Universitat Politècnica de Catalunya, Spain; 2Centre Tecnològic de Telecomunicacions de Catalunya, Spain.
 A novel full-meshed domain abstraction model for scalable state information in PCE-based WSONs is presented. We experimentally evaluate the state information update reduction and the blocking improvement with regard to a shortest path model.
 
We.10.P1.96 • 16:45
LIGHTPATH PROVISIONING IN WAVELENGTH SWITCHED OPTICAL NETWORKS WITH FLEXIBLE GRID
Nicola Sambo1, Filippo Cugini2, Giulio Bottari3, Gianmarco Bruno3, Paola Iovanna3, Piero Castoldi1; 1Scuola Superiore Sant'Anna, Italy; 2CNIT, Italy; 3Ericsson, Italy.
An effective lightpath provisioning is proposed for PCE-based optical networks with flexible grid. The expected modulation formats at 400 Gb/s are considered showing that 12.5 GHz spacing is satisfactory to guarantee efficient network resource utilization.
 
We.10.P1.97 • 16:45
OPTIMIZATION OF HIGH-DEFINITION VIDEO CODING AND HYBRID FIBER-WIRELESS TRANSMISSION IN THE 60 GHZ BAND
Alexander Lebedev1, Tien-Thang Pham1, Marta Beltrán2, Xianbin Yu1, Anna Ukhanova1, Lei Deng1, Neil Guerrero Gonzalez1, Roberto Llorente2, Idelfonso Tafur Monroy1, Søren Forchhammer1; 1Department of Photonics Engineering, Technical University of Denmark, Denmark; 2Valencia Nanophotonics Technology Center, Universidad Politécnica de Valencia, Spain.
We demonstrate that, by jointly optimizing video coding and radio-over-fibre transmission, we extend the reach of 60-GHz wireless distribution of high-quality high-definition video satisfying low complexity and low delay constraints, while preserving superb video quality.
 
We.10.P1.98 • 16:45
OPTICAL MESH NETWORKS EMPLOYING DYNAMIC TRANSPONDERS AND DIGITAL BACK-PROPAGATION AT HIGHER BIT-RATES
Danish Rafique1, Andrew Ellis1; 1Photonic Systems Group, Tyndall National Institute, University College Cork, Ireland.
We report for the first time the impact of nonlinear and ROADM-induced penalties on heterogeneous 28 Gbaud PM-m-QAM traffic in a dynamic network. We further indicate the available benefits of single-channel digital back-propagation.
 
We.10.P1.99 • 16:45
LAB TRIAL OF A GMPLS CONTROLLED MPLS-TP PACKET TRANSPORT NETWORK WITH SOURCE/PCE PATH COMPUTATIONS
Ricardo Martinez1, Ramon Casellas1, Raül Muñoz1; 1Centre Tecnologic de Telecomunicacions de Catalunya, Spain.
A lab trial validating the implemented GMPLS control plane for MPLS-TP in the ADRENALINE testbed is presented. We experimentally compare the establishment of bidirectional LSPs using either source or PCE-based path computations.
 
We.10.P1.100 • 16:45
DISTRIBUTED SETUP IN OPTICAL NETWORKS WITH FLEXIBLE GRID
Nicola Sambo1, Filippo Cugini2, Giulio Bottari3, Paola Iovanna3, Piero Castoldi1; 1Scuola Superiore Sant'Anna, Italy; 2CNIT, Italy; 3Ericsson, Italy.
Lightpath setup is presented for distributed flexible-grid optical networks. Detailed and aggregated methods to gather frequency slot availability information are proposed. The aggregated method reduces the amount of control plane information without impacting blocking probability.
 
We.10.P1.101 • 16:45
ENERGY SAVINGS DEPENDENCY OF IPTV CACHING SYSTEMS ON SIMILARITY IN USER BEHAVIOR
Chien Aun Chan1, Elaine Wong1,2, Ampalavanapillai Nirmalathas1,2; 1Centre for Energy-Efficient Telecommunications, The University of Melbourne, Australia; 2Department of Electrical and Electronic Engineering, The University of Melbourne, Australia.
Energy-efficiency of video caching systems is highly dependent on end-user behavior. Energy savings of up to 90% can be achieved through appropriate selection of either single-level or multi-level caching based on different end-user behavior similarities.
 
We.10.P1.102 • 16:45
OPTICAL LAYER TRAFFIC GROOMING IN FLEXIBLE OPTICAL WDM (FWDM) NETWORKS
Philip N. Ji1, Ankitkumar N. Patel1,2, Dayou Qian1, Jason P. Jue2, Junqiang Hu1, Yoshiaki Aono3, Ting Wang1; 1NEC Laboratories America, USA; 2The University of Texas at Dallas, USA; 3Optical Network Division, NEC Corporation, Japan.
We propose and experimentally demonstrate a novel optical layer grooming technique for OFDM-based flexible grid WDM networks, and we propose an effective algorithm to optimize the spectrum utilization through such a grooming technique.
 
We.10.P1.103 • 16:45
COMPARISON OF ELASTIC IMPLEMENTATIONS FOR WDM NETWORKS
Thierry Zami1; 1Optics, Alcatel-Lucent, France.
Different possible implementations of WDM European network featuring elastic spectral efficiency are proposed and compared in terms of ratio of further regenerators they induce divided by the number of further connections they enable
 
We.10.P1.104 • 16:45
MIXED-LINE-RATE (MLR) OPTICAL NETWORK DESIGN CONSIDERING HETEROGENEOUS FIBER DISPERSION MAPS
Pulak Chowdhury1, Avishek Nag1,3, Massimo Tornatore2, Ezra Ip3, Ting Wang3, Biswanath Mukherjee1; 1University of California, Davis, USA; 2Politecnico di Milano, Italy; 3NEC Laboratories America, USA.
 We present an approach to design MLR optical backbone networks with various fiber dispersion maps. We find that heterogeneous dispersion maps in future can outperform today’s homogeneous dispersion maps in terms of network cost.
 
We.10.P1.105 • 16:45
ADVANCED SCHEDULING ALGORITHM FOR QUALITY OF SERVICE SUPPORT IN WDM EPON
Mirjana R. Radivojevic1, Petar S. Matavulj2; 1Computer Networks and Communications, Faculty of Computing Science, University Union, Serbia; 2Faculty of Electrical Engineering, University of Belgrade, Serbia.
In this work we present and analyze model for wavelength and bandwidth allocation in hybrid TDM/WDM EPONs with full quality of service (QoS) support, called the dynamic wavelength priority bandwidth allocation with fine scheduling (DWPBA-FS).
 
We.10.P1.106 • 16:45
CONVERGED IR-UWB WIRELESS AND BASEBAND WIRED ACCESS OVER A WDM-PON
Jianping Yao1, Shilong Pan1; 1University of Ottawa, Canada.
A system to generate and distribute 1.25-Gb/s UWB signals together with 1.25-Gb/s NRZ signals in a WDM-PON is proposed. Experimental results show that the interference between the UWB and wired services are negligible.
 
We.10.P1.107 • 16:45
A RECONFIGURABLE STAR AND MESH BROADBAND ACCESS NETWORK BASED ON OPTICAL CODES
Gabriella Cincotti1, Nobuyuki Kataoka2, Naoya Wada2, Ken-ichi Kitayama3; 1Applied Electronics, University Roma Tre, Italy; 2National Institute of Information and Communications Technology (NICT), Japan; 3Department of Electrical, Electronics and Information Systems, Osaka University, Japan.
We propose and implement a novel access network configuration with a passive multiport encoder/decoder in the remote node, that implements both conventional 10 Gb/s PONs and multiple 10 Gb/s VPN connections.
 
 
We.10.P1.108 • 16:45
ULTRA-LOW COST AND POWER VCSEL-BASED 480MBIT/S UWB RADIO OVER A BI-DIRECTIONAL CWDM PON
Terence Quinlan1, Maria Morant2, Roberto Llorente2, Stuart Walker1; 1CSEE, Essex University, United Kingdom; 2Nanophotonics Technology Centre, Universidad Politécnica de Valencia, Spain.
Ultra-low cost and power, -44dBm direct modulation of commercially-available 1344nm and 1547nm VCSELs by band-group 1 UWB signals is demonstrated over a 20.1 km, SSMF, CWDM optical network. EVMs <- 18.3 dB were achieved.
 
We.10.P1.109 • 16:45
WEIGHTING NONLINEARITIES ON FUTURE HIGH AGGREGATE DATA RATE PONS
Jacklyn D. Reis1, Darlene M. Neves1, Antonio Teixeira1,2; 1DETI, Instituto de Telecomunicacoes, Portugal; 2Nokia Siemens Networks, Portugal.
High aggregate data rate coherent UDWDM-PONs related physical challenges are observed by means of Volterra series simulations. ADC resolution and inter-channel nonlinearities impact in high-order modulation formats at 1-10Gb/s per channel and 100km-reach is studied.
 
We.10.P1.110 • 16:45
INVESTIGATION OF LIMITATIONS FOR OTDR-MEASUREMENTS IN PON WITH DEMARCATION DEVICES
Armin Ehrhardt1, Frank Escher1, Lars Schürer1, Hans-Martin Foisel1, Andreas Templin1, Mirko Adamy1, Christoph Gerlach1; 1Deutsche Telekom, Germany.
Local resolution of OTDR-measurements in concatenated PON and in-house networks depending on the reflectance of the demarcation point was investigated. Termination points of the PON from the Central Office with 1m length difference were distinguishable.
 
We.10.P1.111 • 16:45
SMF/MMF BASED IN-BUILDING GIGABIT WIRELESS ACCESS SYSTEMS USING SIMPLIFIED 60-GHZ TRANSCEIVERS
Tien-Thang Pham1, Alexander Lebedev1, Marta Beltrán2, Xianbin Yu1, Roberto Llorente2, Idelfonso Tafur Monroy1; 1DTU Fotonik - Department of Photonics Engineering, Technical University of Denmark, Denmark; 2Valencia Nanophotonics Technology Center, Universidad Politécnica de Valencia, Spain.
Hybrid fiber-wireless transmission of 2Gbps signals in 60GHz band over a composite channel (10km SMF/1km MMF/6.5m wireless) is experimentally demonstrated for gigabit in-building wireless access using simple direct modulation, optical upconversion and envelope detection.
 
We.10.P1.112 • 16:45
40 GB/S W-BAND (75-110 GHZ) 16-QAM RADIO-OVER-FIBER SIGNAL GENERATION AND ITS WIRELESS TRANSMISSION
Atsushi Kanno1, Keizo Inagaki1, Isao Morohashi1, Takahide Sakamoto1, Toshiaki Kuri1, Iwao Hosako1, Tetsuya Kawanishi1, Yuki Yoshida2, Ken-ichi Kitayama2; 1NICT, Japan; 2Osaka University, Japan.
40-Gb/s W-band 16-QAM radio-over-fiber signal is optically synthesized using dual-polarization QPSK modulator. Its wireless transmission within FEC limit is demonstrated with optical self-heterodyne detection and digital signal processing.
 
We.10.P1.113 • 16:45
COMBINED REACH, CLIENT-COUNT, POWER-CONSUMPTION, AND COST ANALYSIS OF WDM-BASED NEXT-GENERATION PON
Klaus Grobe1, Michael Eiselt2, Jörg-Peter Elbers1, Markus Roppelt2; 1Advanced Technology, ADVA AG Optical Networking, Germany; 2Advanced Technology, ADVA AG Optical Networking, Germany.
This paper investigates insertion loss, maximum reach, client count, power consumption, and associated cost of WDM-based Next-Generation PON under consideration of real-world fiber attenuation and penalties for patches, splices and in-house cabling.
 
We.10.P1.114 • 16:45
COST OPTIMIZATION OF OPTICAL IN-BUILDING NETWORKS
Ton Koonen1, Henrie H. Boom, van den1, Eduardo Ortego Martinez2, Philippe Guignard3, Eduward Tangdiongga1; 1EE, COBRA - Eindhoven Univ. of Technology, Netherlands; 2Telefonica I+D, Spain; 3France Telecom R&D, France.
We compare the CapEx and OpEx of in-building networks for fibre and Cat-5E solutions. For residential homes, our analysis shows that total network costs during economic lifetime are lowest for a point-to-point duplex POF topology.
 
We.10.P1.115 • 16:45
ENGINEERING RULES FOR OPTICAL GENERATION AND DETECTION OF HIGH SPEED WIRELESS MILLIMETER-WAVE BAND SIGNALS
Antonio Caballero1, Darko Zibar1, Rakesh Sambaraju2, Neil Guerrero Gonzalez1, Idelfonso Tafur Monroy1; 1DTU Fotonik, Technical University of Denmark, Denmark; 2Universidad Politecnica de Valencia, Spain.
We analyze the design requirements for 40 Gbit/s wireless generation and detection in the millimeter-wave band, combining baseband optical I/Q modulation and coherent detection with wireless optical heterodyning generation and single-side band electro-optical modulation.
 
We.10.P1.116 • 16:45
JITTER PERFORMANCE FOR QOS IN ETHERNET PASSIVE OPTICAL NETWORKS
Abhishek Dixit1, Goutam Das1, Bart Lannoo1, Didier Colle1, Mario Pickavet1, Piet Demeester1; 1University of Ghent-IBBT, Belgium.
We propose a new online dynamic bandwidth allocation algorithm for QoS in EPON, which provides a constant delay and jitter performance to higher and medium priority traffic classes while maintaining a high throughput.
 
We.10.P1.117 • 16:45
DEMONSTRATION OF 8-LEVEL SUBCARRIER MODULATION SENSITIVITY IMPROVEMENT IN AN IM/DD SYSTEM
Krzysztof Szczerba1, Johnny Karout2, Erik Agrell2, Petter Westbergh1, Magnus Karlsson1, Peter Andrekson1, Anders Larsson1; 1Microtechnology and Nanoscience, Chalmers University of Technology, Sweden; 2Department of Signals and Systems, Chalmers Univeristy of Technology, Sweden.
We experimentally demonstrate up to 2 dB sensitivity improvement for 8-level subcarrier modulation compared to conventional 8-level subcarrier modulation.
 
We.10.P1.118 • 16:45
HIGH ACCURACY MICROWAVE FREQUENCY MEASUREMENT BASED ON SINGLE-DRIVE DUAL-PARALLEL MACH-ZEHNDER MODULATOR
Ying Zhao1,2, Lei Deng3,2, Xiaodan Pang2, Xianbin Yu2, Xiaoping Zheng1, Bingkun Zhou1, Idelfonso Tafur Monroy2; 1Department of Electronic Engineering, Tsinghua National Laboratory for Information Science and Technology, Tsinghua University, China; 2Photonics Engineering, Technical University of Denmark, Denmark; 3School of Optoelectronics Science and Engineering, HuaZhong Univerity of Science and Technology, China.
A novel approach for broadband microwave frequency measurement based on bias manipulation of a dual-parallel Mach-Zehnder modulator is proposed and experimentally demonstrated. A 10-3 relative error verifies a significant accuracy improvement by this method.
 
We.10.P1.119 • 16:45
DIRECTLY-MODULATED VCSELS FOR 2X2 MIMO-OFDM RADIO OVER FIBER IN WDM PON
Maisara Binti Othman1,2, Lei Deng1, Xiaodan Pang1, Josu Caminos1, Wojceich Kozuch1, Kamau Prince1, Jesper Bevensee Jensen1, Idelfonso Tafur Monroy1; 1Department of Photonics Engineering, DTU, Denmark; 2Department of Communication Engineering, Universiti Tun Hussein Onn Malaysia, Malaysia.
We demonstrate directly-modulated VCSELs supporting 2x2 MIMO-OFDM 5.6-GHz radio over fiber signaling over 20-km WDM-PON. Error-free signal demodulation of 64-subcarrier 4-QAM signals modulated at 198.5-Mb/s is achieved after fiber and 2-m indoor wireless transmission.
 
We.10.P1.120 • 16:45
MIMO-ENHANCED RADIO-OVER-FIBER SYSTEM AT 60 GHZ
Chun-Ting Lin1, Anthony Ng’oma2, Wei-Yuan Li3, Chih-Yun Wang1, Tsung-Hung Lu1, Wen-Jr Jiang3, Chun-Hung Ho1, Chia-Chien Wei4, Jyehong Chen3, Sien Chi5; 1Institute of Photonic System, National Chiao Tung University, Tainan 711, Taiwan, Taiwan; 2Corning Incorporated, USA; 3Department of Photonics and Institute of Electro-Optical Engineering,National Chiao-Tung University, Taiwan; 4Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Taiwan; 5Department of Electrical Engineering, Yuan-Ze University, Taiwan.
We employ 2x2 MIMO spatial multiplexing to double the spectral efficiency of a 60GHz RoF system. A 27.15-Gbps 16-QAM MIMO signal with 3m wireless transmission is experimentally demonstrated within 7-GHz license-free spectrum at 60 GHz.
 
We.10.P1.121 • 16:45
OPTICAL ARBITRARY WAVEFORM GENERATOR APPLICABLE TO PULSE GENERATION AND CHROMATIC DISPERSION COMPENSATION OF A REMOTE UWB OVER FIBER SYSTEM
Xin Zhou1, Xiaoping Zheng1, He Wen1, Hanyi Zhang1, Bingkun Zhou1; 1Dept.of Electronics Engineering, Tsinghua University, China.
We experimentally demonstrate a novel optical arbitrary waveform generator based on multiple continuous wave lights employing double side band with suppressed carrier modulation, capable of generating Ultra-wideband pulses and compensating the fiber chromatic dispersion.

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