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Kenichi Yoneyama

NEC

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Publication

Featured researches published by Kenichi Yoneyama.

european conference on optical communication | 1998

Error-free 40 Gbit/s OTDM transmission and all-optical demultiplexing with nonlinear optic functional devices based on mode-locked laser diodes

Kenichi Yoneyama; R. Yokoyama; S. Ishii; S. Yamashita; H. Hashimoto; H. Kurita; T. Shimizu; I. Ogura; H. Yokoyama

Error-free 40 Gbit/s OTDM transmission over 150 km utilising all-optical signal processing was successfully demonstrated. The cores of the present transmission experiment are picosecond optical pulse generation, optical clock extraction, and the picosecond optical gating all obtained by mode-locked laser diode devices.

Archive | 1998

Wavelength division multiplexing transmission system comprising a feedback section for transmitting a light power level signal from a light receiver to a light transmitter

Kenichi Yoneyama

Archive | 1996

Optical surge preventing method and system for use with or in a rare earth doped fiber circuit

Yasuhiro Aoki; Takaaki Ogata; Kenichi Yoneyama; Yukio Michishita; Yoshiro Sato

Archive | 1997

Optical PLL circuit and method of controlling the same

Masanori Yoshida; Kenichi Yoneyama; Tohru Taura

Archive | 2001

Supervisory signal optical bypass circuit, optical amplifying repeater and supervisory system

Kenichi Yoneyama

Archive | 1996

Monitoring system for all optical regenerators

Kenichi Yoneyama

Archive | 1994

Optical amplifying apparatus

Kenichi Yoneyama

Archive | 1996

Optical regenerative circuit

Kenichi Yoneyama

Archive | 1992

Optical fiber amplifier circuit comprising a control circuit for controlling a plurality of excitation light sources

Kenichi Yoneyama

Archive | 1999

Optical amplifier repeater

Ryu Yokoyama; Shuji Yamashita; Yasuhiro Aoki; Kenichi Yoneyama

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Collaboration

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Takaaki Ogata

NEC

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Yasuhiro Aoki

NEC

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Yoshiro Sato

NEC

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Yukio Michishita

NEC

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Ryuji Aida

NEC

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H. Okazaki

NEC

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Hidenori Takahashi

KDDI

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Masanori Yoshida

NEC

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R. Kurehsyashi

NEC

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R. Yokoyama

NEC

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