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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ICM, LOIS | 2015-01-16 14:50 |
Fukuoka | Kanmon Straits & Mojiko Retro | A Study of Element Management System Architecture for Virtualized Carrier Networks Motomu Nakajima, Atsushi Takada, Yuji Soejima, Tatsuyuki Kimura (NTT)  ICM2014-52 LOIS2014-59 |
For large scale carrier network, atomization of operation using Operation Support System (OpS) is inevitable. An Element... [more] | ICM2014-52 LOIS2014-59 pp.115-118 |
| MWP | 2014-04-17 13:50 |
Hokkaido | Sapporo Convention Center | [Invited Talk]
Techniques on Phase Sensitive Optical Amplification Atsushi Takada, Yasuhiro Okamura (Univ. of Tokushima), Masafumi Koga (Ohita Univ.) MWP2014-7 |
Phase sensitive amplifiers (PSA) have signal gain which depends on the optical phase of input signal light and waveform ... [more] | MWP2014-7 pp.33-38 |
| OCS | 2013-07-26 14:50 |
Tokyo | Sumida-Sangyo-Kaikan | [Invited Talk]
Techniques on Phase Sensitive Optical Amplification Atsushi Takada (Univ. of Tokushima) OCS2013-33 |
(Advance abstract in Japanese is available) [more] | OCS2013-33 pp.81-86 |
| OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2012-11-21 13:25 |
Kumamoto | Costas loop base homodyne detection for 12.5-Gbit/s BPSK signal and its evolution to optical frequency synchronous photonic network Akira Mizutori, Masamichi Sugamoto (Oita Univ.), Atsushi Takada (TokushimaUniv.), Masafumi Koga (Oita Univ.) OCS2012-77 |
This paper demonstrates 12.5-Gbit/s BPSK decision-directed homodyne detection. The lag-lead loop filter with integrator ... [more] | OCS2012-77 pp.7-10 |
|
| PN | 2011-02-28 16:30 |
Kagoshima | KKR Kagoshima Keitenkaku | [Invited Talk]
Secure Photonic Networks
-- Potential Attacks and Security Enhancement -- Ken-ichi Kitayama (Osaka Univ.), Masahide Sasaki (NICT), Soichiro Araki (NEC), Makoto Tsubokawa (Waseda Univ.), Akihisa Tomita (Hokkaido Univ.), Kyo Inoue (Osaka Univ.), Katsuyoshi Harasawa (Hitachi information & Communication Eng), Yuki Nagasako (NTT Labs.), Atsushi Takada (Tokushima Univ) PN2010-68 |
[more] | PN2010-68 pp.65-68 |
| OCS, CS (Joint) |
2011-01-28 09:50 |
Tokushima | The University of Tokushima | Simulation on regenerative repeater span-length in an optical BPSK transmission system employing phase-sensitive amplifiers. Shumpei Miyoshi, Keisuke Hashimoto, Atsushi Takada (Univ. of Tokushima) OCS2010-109 |
Dominant limiting factors on regenerative repeater span-length in linear amplifier repeated transmission system are degr... [more] | OCS2010-109 pp.61-65 |
| CQ, NS, ICM (Joint) |
2009-11-13 11:00 |
Ishikawa | Kanazawa Institute of Technology (Ishikawa) | A Study on Absolute Value Control taking Currently Available Bandwidth Atsushi Takada, Ken Kanishima, Hideaki Horigome (NTT) ICM2009-31 |
Absolute value control has been once proposed for PSTN traffic congestions. It has been evaluated as also effective for ... [more] | ICM2009-31 pp.29-34 |
| OFT, OCS (Joint) |
2009-08-27 13:35 |
Hokkaido | Achievement of Subchannel Frequency Spacing Less Than Symbol Rate and Improvement of Dispersion Tolerance in Optical OFDM Transmission Shuto Yamamoto, Kazushige Yonenaga, Akio Sahara, Fumikazu Inuzuka, Atsushi Takada (NTT Co.) OCS2009-32 |
We propose a novel OFDM transmission where the frequency spacing of subchannels is less than the symbol rate. We show th... [more] | OCS2009-32 pp.17-22 |
|
| NS, OCS, PN (Joint) |
2009-06-26 15:15 |
Nagasaki | Nagasaki Museum of History and Culture (Nagasaki) | Study of colorless and directionless function in ROADM ring system Akio Sahara, Yukio Tsukishima, Tetsuo Takahashi, Youhei Okubo, Kazuhisa Yamada, Kazuhiro Matsuda, Atsushi Takada (NTT) OCS2009-18 |
We focus on colorless/directionless function in ROADM ring system, and we introduce an example of operational scenario o... [more] | OCS2009-18 pp.49-54 |
| OCS | 2009-02-03 09:20 |
Shizuoka | Demonstration of Master-Slave Type Deskew Function for Optical Virtual Concatenation using OTU3 Multiframe Identification Takashi Ono, Yongmei Sun, Atsushi Takada (NTT) OCS2008-117 |
Deskew function using OTU3 multiframe identification is demonstrated. Master-slave type deskew method with simple config... [more] | OCS2008-117 pp.61-65 |
|
| OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2008-11-21 13:35 |
Oita | L-band Laser Diode Stabilization Technique employing Modulated Side-band and its Application to Phase Locked Multi-Carrier Light Sources Akira Mizutori, Takahiro Koga, Youichi Nishizato, Masafumi Koga (Oita U), Kunihiko Mori, Kazunori Suzuki, Takashi Yamamoto, Atsushi Takada (NTT) OCS2008-103 |
This paper proposes a new optical frequency stabilization technique for L-band laser diodes with modulated side-band lig... [more] | OCS2008-103 pp.97-100 |
|
| OCS, OFT (Joint) |
2008-08-28 16:35 |
Hokkaido | Nonlinear Inter-channel Crosstalk Compensation using Pre-distortion in Carrier Phase Locked WDM Fumikazu Inuzuka, Etsushi Yamazaki, Kazushige Yonenaga, Atsushi Takada (NTT) OCS2008-41 |
Progress in high-speed electronic circuits and digital signal processing technologies has opened up possibilities in reg... [more] | OCS2008-41 pp.47-50 |
|
| OFT, OCS (Joint) |
2007-08-23 13:00 |
Hokkaido | Multi-carrier light generator using phase modulators and dispersion medium Takashi Yamamoto, Tetsuro Komukai (NTT), Kazunori Suzuki (NTT Electronics), Atsushi Takada (NTT) OCS2007-32 |
[more] | OCS2007-32 pp.1-5 |
|
| OPE, LQE, OCS | 2006-10-12 15:50 |
Fukuoka | Kyusyu Univ. Chikushi Campus | Inter-channel linear/nonlinear crosstalk compensation in carrier phase locked WDM Fumikazu Inuzuka, Etsushi Yamazaki, Atsushi Takada, Kazushige Yonenaga, Masafumi Koga (NTT) OCS2006-44 OPE2006-97 LQE2006-86 |
A pre-compensation technique for inter-channel linear/nonlinear crosstalk cancellation in carrier phase locked WDM syste... [more] | OCS2006-44 OPE2006-97 LQE2006-86 pp.33-38 |
| OCS | 2006-06-16 11:40 |
Shizuoka | Toray Human Resources Development Center | Congestion controlled optical burst switching network with wavelength reservation Takashi Ono, Atsushi Takada, Masafumi Koga (NTT) OCS2006-29 |
(To be available after the conference date) [more] | OCS2006-29 pp.37-41 |
| CS, OCS, PN (Joint) |
2006-05-26 13:25 |
Shizuoka | Shizuoka Univ. | Wavelength-convertible OBS experimentwith multi-optical code labeled control packet using single en/decoder Sung-Myeong Koh, Satoshi Yoshima (Osaka Univ.), Etsushi Yamazaki, Fumikazu Inuzuka, Atsushi Takada (NTT), Naoya Wada (NICT), Gabriella Cincotti (Univ. of Roma), Ken-ichi Kitayama (Osaka Univ.) OCS2006-17 |
[more] | OCS2006-17 pp.43-47 |
| CS, OCS, PN (Joint) |
2006-05-26 14:15 |
Shizuoka | Shizuoka Univ. | Waveband path virtual concatenation with contention resolution provided by transparent waveband conversion using QPM-LN waveguides Etsushi Yamazaki, Fumikazu Inuzuka, Guy Weichenberg, Atsushi Takada, Jun Yamawaku, Toshio Morioka, Masafumi Koga (NTT) OCS2006-19 |
Simultaneous waveband conversion of 10 Gbit/s×64 wavelengths = 640 Gbit/s signal using quasi phase matched Lithium Nioba... [more] | OCS2006-19 pp.55-60 |
| OCS | 2005-06-17 10:05 |
Yamanashi | Univ. of Yamanashi | Noise figure of parametric wavelength conversion Etsushi Yamazaki, Atsushi Takada, Toshio Morioka (NTT) |
An analytical model for noise accumulation in parametric wavelength conversion chain system is proposed. Signal to nois... [more] | OCS2005-27 pp.7-12 |
| OCS | 2005-04-22 14:00 |
Tokyo | kikai-Shinko-Kaikaen | [Invited Talk]
OFC Report
-- Quantum cryptography and ultra-fast signal processing -- Atsushi Takada (NTT) |
Technologies on quantum cryptography and ultra-fast signal processing, reported in Optical Fiber Communications conferen... [more] | OCS2005-5 pp.19-20 |
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