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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| PN | 2021-03-01 14:05 |
Online | Online | [Invited Lecture]
Transmitter Nonlinearity Compensator for Short-Reach IM/DD PAM Signalling with Tomlinson-Harashima Precoding (THP) Nobuhiko Kikuchi (Hitachi)  PN2020-43 |
Intra- and inter-DC traffic is expected to grow continuously, and ultra high speed short-reach optical fiber transmissio... [more] | PN2020-43 pp.10-14 |
| OPE, OCS, LQE | 2018-05-11 17:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg (Tokyo) | [Special Invited Talk]
Investigation of reduced skew of 106-Gb/s PAM4 waveform with optical orthogonal polarization multiplexing by utilizing 1.3-um directly modulated lasers Kouji Nakahara (Oclaro), Riu Hirai (Hitachi), Takeshi Kitatani (Oclaro), Nobuhiko Kikuchi (Hitachi), Takayoshi Fukui, Kaoru Okamoto, Yasushi Sakuma, Kohichi R. Tamura, Shigehisa Tanaka (Oclaro) OCS2018-9 OPE2018-9 LQE2018-9 |
One of technical issues of PAM-4 modulation by utilizing directly modulated lasers is distorted into a shew shape eye-di... [more] | OCS2018-9 OPE2018-9 LQE2018-9 pp.31-34 |
| OCS, CS (Joint) |
2017-01-20 13:25 |
Fukuoka | Kyushu Sangyo University | Demonstration of subcarrier allocation switching for Elastic OFDMA-PON Jun Sugawa, Koji Wakayama, Nobuhiko Kikuchi (Hitachi) CS2016-74 |
Available wavelength resources in optical access network have been depleted as new standard specified new wavelength so ... [more] | CS2016-74 pp.59-64 |
| CS, OCS (Joint) |
2016-01-21 14:40 |
Kagoshima | Kagoshima University, Korimoto Campus, Inamori Auditorium | [Special Invited Talk]
Current Status on Standardization of 400 Gigabit Ethernet Riu Hirai, Nobuhiko Kikuchi (Hitachi) CS2015-80 OCS2015-91 |
(Advance abstract in Japanese is available) [more] | CS2015-80 OCS2015-91 pp.43-48(CS), pp.17-22(OCS) |
| PN | 2015-11-18 10:50 |
Tokyo | Japan Women's Univ. | [Invited Talk]
Standardization of 400GbE and Research and Development of High-speed Short-Reach Optical Multilevel Signaling Technique Nobuhiko Kikuchi, Riu Hirai, Takashi Yano (Hitachi) PN2015-29 |
Recent enormous increase of inter-data center and intra-data center data traffic spurs the development of high-speed opt... [more] | PN2015-29 pp.35-40 |
| OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2015-11-12 14:30 |
Ehime | Matsuyama Civic Center | A study on roll-off factor of Nyquist-PAM4 optical signaling using transmission simulation and estimation of DSP circuit size Riu Hirai, Nobuhiko Kikuchi (Hitachi) OCS2015-82 |
Nyquist spectral shaping is an attractive technique to generate high-speed signals in using band-limited devices, howeve... [more] | OCS2015-82 pp.7-12 |
| ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2014-11-14 15:10 |
Hiroshima | Intensity-Modulated/Direct-Detection (IM/DD) Nyquist Pulse-Amplitude Modulation (PAM) Signaling for 100-Gbit per Wavelength Transmission Nobuhiko Kikuchi, Riu Hirati (Hitachi) OCS2014-92 |
We propose a new high-speed optical IM/DD transmission scheme employing Nyquist-shaped PAM4 and PAM6 signaling for short... [more] | OCS2014-92 pp.93-97 |
|
| PN, NS, OCS (Joint) |
2014-06-26 11:40 |
Oita | B-ConPlaza | High-Speed Optical 64QAM Signaling Using InP-based Semiconductor IQ Modulator Nobuhiko Kikuchi, Riu Hirati, Yuki Wakayama (Hitachi) OCS2014-14 |
We experimentally generate highly-precise 28-GBaud DP-64QAM signal using an InP-based semiconductor optical IQ modulator... [more] | OCS2014-14 pp.9-14 |
| OCS, OPE (Joint) |
2013-05-17 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg(Tokyo) | Proposal of FFT-based Nonlinearity Monitoring Method for Digital Coherent Optical Transmission Hideaki Kotake, Kohei Mandai, Nobuhiko Kikuchi (Hitachi) OCS2013-2 |
Nonlinear optical effect which occurs inside the optical fiber (especially, XPM) is the predominant factor of the transm... [more] | OCS2013-2 pp.5-10 |
| OCS, LQE, OPE | 2011-10-27 17:25 |
Kochi | Kochi University of Technology | [Invited Talk]
Report on ECOC2011
-- High-Speed and Large-Capacity Transmission Technologies -- Nobuhiko Kikuchi (Hitachi) OCS2011-73 OPE2011-111 LQE2011-74 |
ECOC 2011 was held during Sep. 18-22, 2011 at Geneva, Switzerland. We summarize and report its major topics and new tech... [more] | OCS2011-73 OPE2011-111 LQE2011-74 pp.103-106 |
| OCS | 2009-07-29 16:40 |
Shizuoka | Welcity Yugawara | Highly-sensitive optical multilevel transmission with direct detection Nobuhiko Kikuchi, Shinya Sasaki (Hitachi) OCS2009-27 |
An optical direct-detection (incoherent) multilevel signaling is one of the candidate of realizing next-generation cost-... [more] | OCS2009-27 pp.43-47 |
| OCS, OPE (Joint) |
2009-05-15 16:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
OFC/NFOEC2009 Report
-- Optical Transmission Systems -- Nobuhiko Kikuchi, Shinya Sasaki (Hitachi Ltd.,) OCS2009-7 OPE2009-13 |
OFC/NFOEC2009 was held during Mar. 22-26, 2009 at San Diego, CA, USA. We summarize and report its major topics and new t... [more] | OCS2009-7 OPE2009-13 pp.29-32(OCS), pp.23-26(OPE) |
| LQE, OPE, OCS | 2007-11-02 15:20 |
Fukuoka | Long-distance WDM transmission technologies of 8-DPSK signal Kohei Mandai, Nobuhiko Kikuchi, Shinya Sasaki (Hitachi Ltd.) OCS2007-69 OPE2007-124 LQE2007-110 |
Multilevel modulation technology carrying multiple bits by one symbol can increase the transmission capacity of a single... [more] | OCS2007-69 OPE2007-124 LQE2007-110 pp.143-148 |
|
| NS, OCS (Joint) |
2007-01-26 15:15 |
Miyazaki | An Investigation of a Novel Bias Control Technique for CSRZ Transmitter using Backward-Traveling light Chie Hasegawa, Nobuhiko Kikuchi, Kenro Sekine, Shinya Sasaki (HITACHI) OCS2006-87 |
When LN(LiNbO3)modulators are used in an ultra-fast optical transmitter, it is necessary to control the bias voltage in ... [more] | OCS2006-87 pp.73-78 |
|
| OCS | 2005-04-22 15:25 |
Tokyo | kikai-Shinko-Kaikaen | Study on Optical 16-ary Amplitude- Phase-Shift Keying Kenro Sekine, Nobuhiko Kikuchi, Shinya Sasaki, Shigenori Hayase, Chie Hasegawa, Toshiki Sugawara (Hitachi Ltd.) |
Recently, multilevel optical modulation schemes attract much attention, because multilevel modulation schemes have narro... [more] | OCS2005-8 pp.29-34 |
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