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Dive into the research topics where Satoshi Irino is active.

Publication


Featured researches published by Satoshi Irino.


optical fiber communication conference | 2016

Lasing stability of high power 14xx-nm pump lasers for Raman amplifiers

Junji Yoshida; Taketsugu Sawamura; Masakazu Miura; Satoshi Irino; Hirokazu Itoh; Masaru Terada; Takahiro Okada; Hidaaki Hasegawa; Noriyuki Yokouchi

14xx-nm pump lasers with double fiber Bragg gratings (FBGs) for Raman amplifiers show superior stable characteristics such as the lasing wavelength and power fluctuation in time domain comparing with 14xx-nm pump lasers with single FBG.


optical fiber communication conference | 2015

2.8FITs of field reliability of 1480nm/14××-nm pump lasers

Junji Yoshida; Chihomi F. Hayamizu; Hirokazu Itoh; Masakazu Miura; Taketsugu Sawamura; Satoshi Irino; Tetsuya Takeuchi; Toshio Kimura; Naoki Tsukiji

Recent progress of high power and high reliable 1480nm/14××-nm pump lasers as FOL14** series of FITEL is reported. Field reliability was estimated for over one million shipments and failure mode was analyzed by returned products.


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 | 2001

Semiconductor laser device and optical fiber amplifier using the same

Junji Yoshida; Naoki Tsukiji; Tsuyoshi Saito; Satoshi Irino; Ryuichiro Minato


Archive | 2001

Semiconductor laser device and opticlal fiber amplifier using the same

Junji Yoshida; Naoki Tsukiji; Tsuyoshi Saito; Satoshi Irino; Ryuichiro Minato


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 device, semiconductor laser module, Raman amplifier using the device or module, and method for forming a suitable current blocking layer

Satoshi Irino; Naoki Tsukiji; Junji Yoshida


Archive | 2002

Semiconductor laser device, semiconductor laser module, and Raman amplifier using the device or module

Junji Yoshida; Naoki Tsukiji; Satoshi Irino


Archive | 2001

Method of manufacturing semiconductor element, and semiconductor element manufactured with this method

Naoki Tsukiji; Satoshi Irino


Archive | 2015

OPTICAL SEMICONDUCTOR DEVICE, SEMICONDUCTOR LASER MODULE, AND OPTICAL FIBER AMPLIFIER

Junji Yoshida; Hirokazu Itoh; Satoshi Irino; Yuichiro Irie; Taketsugu Sawamura

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Naoki Tsukiji

The Furukawa Electric Co.

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Hirokazu Itoh

The Furukawa Electric Co.

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Masakazu Miura

The Furukawa Electric Co.

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Naoki Hayamizu

The Furukawa Electric Co.

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Toshio Kimura

The Furukawa Electric Co.

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