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K. Uchiyama

Harvard University

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Publication

Featured researches published by K. Uchiyama.

asia pacific conference on communications | 1999

Vibration-insensitive nonlinear optical loop mirror utilizing reflective scheme

Ippei Shake; Hidehiko Takara; K. Uchiyama; Satoki Kawanishi; Y. Yamabayshi

We propose a new type of nonlinear optical loop mirror that can reduce nonreciprocal phase shifts due to external vibration. We experimentally confirm its excellent vibration by all-optical time-division demultiplexing of 100-Gb/s optical signal.

Electronics Letters | 1996

1 Tbit/s (100 Gbit/s×10 channel) OTDM/WDM transmission using a single supercontinuum WDM source

Toshio Morioka; Hidehiko Takara; S. Kawanishi; O. Kamatani; Koichi Takiguchi; K. Uchiyama; M. Saruwatari; H. Takahashi; M. Yamada; T. Kanamori; H. Ono

Electronics Letters | 1999

3 Tbit/s (160 Gbit/s/spl times/19 channel) optical TDM and WDM transmission experiment

Satoki Kawanishi; Hidehiko Takara; K. Uchiyama; Ippei Shake; Kunihiko Mori

Electronics Letters | 1995

Multiwavelength picosecond pulse source with low jitter and high optical frequency stability based on 200 nm supercontinuum filtering

Toshio Morioka; K. Uchiyama; S. Kawanishi; S. Suzuki; M. Saruwatari

Electronics Letters | 2001

Integrated optical digital-to-analogue converter and its application to pulse pattern recognition

T. Saida; K. Okamoto; K. Uchiyama; K. Takiguchi; Tomohiro Shibata; A. Sugita

Electronics Letters | 1992

Ultrafast polarisation-independent all-optical switching using a polarisation diversity scheme in the nonlinear optical loop mirror

K. Uchiyama; Hidehiko Takara; S. Kawanishi; Toshio Morioka; Masatoshi Saruwatari

Electronics Letters | 1996

Polarisation-independent all-optical demultiplexing up to 200 Gbit/s using four-wave mixing in a semiconductor laser amplifier

Toshio Morioka; Hidehiko Takara; S. Kawanishi; K. Uchiyama; M. Saruwatari

Electronics Letters | 1994

Polarisation-independent 100 Gbit/s all-optical demultiplexer using four-wave mixing in a polarisation-maintaining fibre loop

Toshio Morioka; S. Kawanishi; K. Uchiyama; Hidehiko Takara; M. Saruwatari

Electronics Letters | 1993

100 Gbit/s, 50 km, and nonrepeated optical transmission employing all-optical multi/demultiplexing and PLL timing extraction

S. Kawanishi; Hidehiko Takara; K. Uchiyama; T. Kitoh; M. Saruwatari

Electronics Letters | 2002

160 Gbit/s full optical time-division demultiplexing using FWM of SOA-array integrated on PLC

I. Shake; Hidehiko Takara; K. Uchiyama; Ikuo Ogawa; T. Kitoh; T. Kitagawa; M. Okamoto; Katsuaki Magari; Y. Suzuki; Toshio Morioka

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Hidehiko Takara

Harvard University

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S. Kawanishi

Nippon Telegraph and Telephone

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Toshio Morioka

Technical University of Denmark

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O. Kamatani

University of Tokyo

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Toshio Morioka

Technical University of Denmark

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Ippei Shake

Harvard University

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I. Shake

Nippon Telegraph and Telephone

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Koichi Takiguchi

University of Tokyo

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K. Okamoto

University of California

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Kunihiko Mori

Harvard University

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