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Dive into the research topics where Yutaka Ohki is active.

Publication


Featured researches published by Yutaka Ohki.


Optical Amplifiers and Their Applications (2002), paper OMB4 | 2002

Advantage of Inner-Grating-Multi-mode laser (iGMlaser)

Naoki Tsukiji; Naoki Hayamizu; Hitoshi Shimizu; Yutaka Ohki; Toshio Kimura; Satoshi Irino; Jiyunji Yoshida; Toru Fukushima; Shu Namiki

We demonstrated the advantage of inner-grating-multi-mode (iGM) lasers for suppressing Stimulated-Brillouin-scattering (SBS) in comparison with normal single-mode DFB lasers. We found that iGM laser with over 18 longitudinal-modes successfully reduces SBS down to Rayleigh-scattering level.


Archive | 2003

Semiconductor laser device, semiconductor laser module, and optical fiber amplifier

Yutaka Ohki; Naoki Tsukiji; Junji Yoshida


Archive | 2000

Semiconductor laser module with external cavity and birefringent fibers

Yuichhiro Chiyoda-ku Irie; Yutaka Ohki; Takeharu Yamaguchi


Archive | 2002

Semiconductor laser module and Raman amplifier

Hiroshi Shimizu; Naoki Tsukiji; Junji Yoshida; Toshio Kimura; Yutaka Ohki; Kouhei Terada; Hidehiro Taniguchi


Archive | 2003

Pump Laser Module for Co-propagating Raman Amplifier

Yutaka Ohki; Naoki Hayamizu; Satoshi Irino; Hiroshi Shimizu; Junji Yoshida; Naoki Tsukiji


Archive | 2002

SEMICONDUCTOR LASER MODULE AND SEMICONDUCTOR LASER DEVICE HAVING LIGHT FEEDBACK FUNCTION

Michio Ohkubo; Yutaka Ohki


Archive | 2003

Semiconductor laser apparatus, semiconductor laser module, optical fiber amplifier and semiconductor laser sorting method

Hiroshi Shimizu; Junji Yoshida; Naoki Tsukiji; Yutaka Ohki


Archive | 2011

SEMICONDUCTOR LASER AND SEMICONDUCTOR LASER MODULE

Yutaka Ohki; Satoshi Arakawa; Shunsuke Okuyama; Masaki Funabashi


Archive | 2004

Semiconductor laser device and laser module using same

Atsushi Ohkubo; Satoru Okada; Tsuyoshi Fujimoto; Takeshi Koiso; Kiyofumi Muro; Michio Ohkubo; Yutaka Ohki


Archive | 2016

SEMICONDUCTOR LIGHT DEVICE AND MANUFACTURING METHOD FOR THE SAME

Hidehiro Taniguchi; Yutaka Ohki

Collaboration


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Junji Yoshida

The Furukawa Electric Co.

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Naoki Tsukiji

The Furukawa Electric Co.

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Toshio Kimura

The Furukawa Electric Co.

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Michio Ohkubo

The Furukawa Electric Co.

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Hiroshi Shimizu

The Furukawa Electric Co.

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Masashi Nakae

The Furukawa Electric Co.

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Takeshi Aikiyo

The Furukawa Electric Co.

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