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ECOC2013 (9/22-26 @ London) におきまして,研究成果(一般講演9件)を発表しました.
 
We.1.E.2 "Moving Boundary between Wavelength Resources in Optical Packet and Circuit Integrated Ring Network"
 H. Furukawa, T. Miyazawa, N. Wada, H. Harai;
NICT, Japan.
 
We.4.E.6 "Emergent Optical Network Integration and Control of Multi-Vendor Optical Networks for Quick Disaster Recovery"
 S. Xu1, N. Yoshikane2, M. Shiraiwa1, H. Furukawa1, T. Tsuritani2, Y. Awaji1, N. Wada1;
1 NICT, Japan; 2 KDDI R&D Laboratories, Japan.
 
Th.1.A.1 "Investigation of Optical Buffer Capacity using Largescale Fiber Delay Lines for Variable-length Optical Packet Switching"
 S. Shinada, H. Furukawa, N. Wada;
NICT, Japan.
 
Th.1.C.6 "19-core MCF Transmission System using EDFA with Shared Core Pumping Coupled in Free- space Optics"
J. Sakaguchi1, W. Klaus1, B. J Puttnam1, J. M. D. Mendinueta1, Y. Awaji1, N. Wada1, Y. Tsuchida2, K. Maeda2,
M. Tadakuma2, K. Imamura2, R. Sugizaki2, T. Kobayashi3, Y. Tottori3, M. Watanabe3, R. V. Jensen4;
1 NICT, Japan; 2 Furukawa Electric, Japan; 3 Optoquest, Japan; 4 OFS, Denmark.
 
P.2.10 "Single-Pump, Tunable Wavelength Conversion of 8×12.5 Gsymbol/s QPSK Channels in a Quasi-Rectangular PPLN"
 A. Albuquerque1, B. J. Puttnam2, M. Drummond1, S. Shinada2, R. Nogueira1, N. Wada2;
1 Instituto de Telecomunicacoes, Portugal; 2 NICT, Japan.
 
P.3.2 "Chromatic Dispersion Monitoring and Adaptive Compensation in an 8x12.5 Gb/s All-Optical OFDM System"
 S. Shimizu1, G. Cincotti2, N. Wada1;
1 NICT, Japan; 2 University Roma Tre, Italy.
 
P.3.13 "Tunable Optical Code Converter using Two Linear-Slope Pulse Streams and Cross Phase Modulation"
 T. Kodama1, N. Wada2, G. Cincotti3, K. Kitayama1;
1 Osaka University, Japan; 2 NICT, Japan; 3 University Roma Tre, Italy.
 
P.4.2 "Self-Homodyne Detection of Polarization-Multiplexed Pilot Tone Signals Using a Polarization Diversity Coherent Receiver"
 R. S. Luis1, B. J. Puttnam1, J-M. D. Mendinueta1, J. Sakaguchi1, S. Shinada1, M. Nakamura2, Y. Kamio1, N Wada1;
1 NICT, Japan; 2 Meiji University, Japan.
 
P.3.28 "A Novel Single-Input Multiple-Output Encoder/Decoder and its Application to Optical Packet Switching"
 B. Dai1, X. Wang1, S. Shimizu2, N. Wada2;
1 Heriot-Watt University, UK; 2 NICT Japan.
 
OFC2013 (17-21, March @Anaheim) におきまして,研究成果(一般講演11件)を発表しました.(2013/3/25)
 
OTu2A.7 "Fixed-length Elastic-capacity OFDM Payload Packet: Concept and Demonstration"
 Yuki Yoshida1, Takahiro Kodama1, Satoshi Shinada2, Naoya Wada2, Ken-ichi Kitayama1;
1 Osaka Univ., Japan; 2 NICT, Japan.
 
OW1I.1 "105Tb/s Transmission System Using Low-cost, MHz Linewidth DFB Lasers Enabled by Self-Homodyne Coherent Detection and a 19-Core Fiber"
 Benjamin J. Puttnam1, Jose Manuel Delgado-Mendinueta1, Jun Sakaguchi1, Ruben S. Luís1, Werner Klaus1,
Yoshinari Awaji1, Naoya Wada1, Atsushi Kanno2, Tetsuya Kawanishi2;
1 Photonic Network Systems Laboratory, NICT, Japan; 2 Lightwave Devices Laboratory, NICT, Japan.
 
OW1K.1 "Fundamental study on new characterization method for crosstalk property of multi-core fibers using long wavelength probe signals"
 Jun Sakaguchi1, Yoshinari Awaji1, Naoya Wada1;
1 Photonic Network Research Ctr., NICT, Japan.
 
OW1I.3 "Large-capacity transmission over a 19-core fiber"
Jun Sakaguchi1, Benjamin J. Puttnam1, Werner Klaus1, Jose-Manuel Delgado-Mendinueta1,
Yoshinari Awaji1, Naoya Wada1, Atsushi Kanno1, Tetsuya Kawanishi1;
1 Photonic Network Research Ctr., NICT, Japan.
 
JW2A.71 "Highly-scalable, fully-asynchronous 16 ONUs, OCDM-based 10G-PON with a multiple access noise suppression at RN"
 Takahiro Kodama1, Naoya Wada2, Gabriella Cincotti3, Ken-ichi Kitayama1;
1 Osaka Univ., Japan; 2 NICT, Japan; 3 Department of Applied Electronics, Univ. Roma Tre, Italy.
 
OW4C "Investigation of black-box phase regeneration using single bi-directional PPLN waveguide"
 André Albuquerque1, Miguel Drummond1, Rogerio N. Nogueira1, Benjamin J. Puttnam2, Satoshi Shinada2,
Naoya Wada2, Áron Szabó3, Dániel Mazroa3;
1 Instituto de Telecomunicações, Portugal; 2 Photonic Network System Laboratory, NICT, Japan;
3 Budapest Univ. of Technology and Economics, Hungary.
 
OW4D.7 "Cost-effective, Asynchronous 4 x 40Gbps Full-duplex OCDMA Demonstrator Using Apodized SSFBGs and a Multi-port Encoder/Decoder"
 Ryosuke Matsumoto1, Takahiro Kodama1, Satoshi Shimizu2, Ryujiro Nomura3, Koji Omichi3, Naoya Wada2, Ken-ichi Kitayama1;
1 Department of Electrical, Electronics and Information Systems, Osaka Univ., Japan; 2 Photonic Network System Laboratory, NICT, Japan;
3 Optics and Electronics Laboratory, Fujikura Ltd., Japan.
 
JTh2A.48 "Investigation of Receiver DSP Carrier Phase Estimation Rate for Self-homodyne Space-division Multiplexing Communication Systems"
 Jose Manuel Delgado Mendinueta1, Benjamin J. Puttnam1, Jun Sakaguchi1, Ruben S. Luís1, Werner Klaus1,
Yoshinari Awaji1, Naoya Wada1, Atsushi Kanno2, Tetsuya Kawanishi2;
1 Photonic Network System Laboratory, NICT, Japan; 2 Lightwave Devices Laboratory, NICT, Japan.
 
JTh2A.64 "Optical Link Planning Guidelines for a Hybrid Packet and Circuit Integrated Network"
 Ruben S. Luís1, Hideaki Furukawa1, Naoya Wada1, Satoshi Shinada1;
1 NICT, Japan.
 
OTh4D.1 "Demonstration of Flexible Optical Buffer based on 1×32 Optical Switches and Fiber-Sheet Delay Lines"
 Satoshi Shinada1, Hideaki Furukawa1, Naoya Wada1;
1 NICT, Japan.
 
OTh4B.3 "On-Demand Spectrum and Space Defragmentation in an Elastic SDM/FDM/TDM Network with Mixed Multi- and Sigle-core Fiber Links"
 Norberto Amaya1, Muhammad Irfan1, Georgios S. Zervas1, Reza Nejabati1, Dimitra Simeonidou1,
Victor Rancano2, Francesca Parmigiani2, Periklis Petropoulos2, David J. Richardson2,
Jun Sakaguchi3, Werner Klaus3, Benjamin J. Puttnam3, Takaya Miyazawa3, Yoshinari Awaji3, Naoya Wada3, Ian Henning4;
1 Electronic Engineering, Univ. of Bristol, UK; 2 Optoelectronics Research Centre, Univ. of Southampton, UK;
3 NICT, Japan; 4 Computer Science and Electronic Engineering, Univ. of Essex, UK.


OFC2012 (3/4-8 @Los Angeles) におきまして,研究成果がポストデッドラインペーパーに採録されました.(2012/3/8)

PDP5C.1 "19-core fiber transmission of 19x100x172-Gb/s SDM-WDM-PDM-QPSK signals at 305Tb/s"
Jun Sakaguchi1, Benjamin J. Puttnam1, Werner Klaus1, Yoshinari Awaji1, Naoya Wada1, Atsushi Kanno1, Tetsuya Kawanishi1, Katsunori Imamura2, Harumi Inaba2, Kazunori Mukasa2, Ryuichi Sugizaki2, Tetsuya Kobayashi3, Masayuki Watanabe3;
 1NICT, Japan; 2Fitel Photonics Laboratory, Furukawa Electric Co. Ltd., Japan; 3OPTOQUEST Co. Ltd., Japan.
A novel free-space coupling system combined with a multi-core fiber enables up-scaling to a record space-division-multiplexed (SDM) channel number of 19. We achieve 305-Tb/s transmission over 10.1 km using 19-SDM, 100-WDM PDM-QPSK signals.


OFC2012 (3/4-8 @Los Angeles) におきまして,研究成果(一般講演3件)を発表しました.(2012/2/1)

OM3I.5 "Ultimate Reach 10Gbps Dispersion-Compensation-Free WDM-TDM-OCDMA-PON : Experimental Demonstration and Theoretical Validation"
 Yusuke Tanaka, Takashi Kodama, Satoshi Yoshima, Nobuyuki Kataoka, Junichi Nakagawa, Satoshi Shimizu, Naoya Wada

OTu2A.3 "Comparison of PS-QPSK and PMQPSK at Different Data Rates in a 25 GHz-spaced WDM System"
 Martin Sjödin, Benjamin J. Puttnam, Pontus Johannisson, Satoshi Shinada, Naoya Wada, Peter Andrekson, Magnus Karlsson

OW3C.6 "Multi-channel phase squeezing in a PPLN-PPLN PSA"
 Benjamin J. Puttnam, Aron Szabo, Daniel Mazroa, Satoshi Shinada, Naoya Wada