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Dive into the research topics where Junichiro Hoshizaki is active.

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Featured researches published by Junichiro Hoshizaki.


optical fiber communication conference | 2001

Tunable dispersion equalizer with a divided thin film heater

Sadayuki Matsumoto; Takuya Ohira; Masakazu Takabayashi; Junichiro Hoshizaki; Hajime Takeya; Shigeru Matsuno; Kiichi Yoshiara; Takashi Sugihara; Katsuhiro Shimizu; Yukio Kobayashi; Minoru Hashimoto; Shinichi Takagi; Toshiya Murakami

We developed tunable dispersion equalizer with a chirped fiber grating and a divided thin film heater composed thirty-two thin film heaters. The divided thin film heater took an important role in the control of dispersion and dispersion slope, moreover the correction of group delay ripples. We successfully demonstrated the dispersion change from -304 ps/nm to -196 ps/nm and the dispersion slope change from +100 ps/nm/sup 2/ to -300 ps/nm/sup 2/.


optical fiber communication conference | 2003

Tunable polarization mode dispersion compensator with chirped fiber Bragg gratings

Kiichi Yoshiara; Masakazu Takabayashi; Sadayuki Matsumoto; Takuya Ohira; Junichiro Hoshizaki; Shigeru Matsuno; Takashi Sugihara; Takashi Mizuochi; Ken Matsuoka; Takashi Hashimoto

We have developed tunable polarization mode dispersion (PMD) compensators and successfully demonstrated to change differential group delay (DGD) from several ps to 90 ps and to compensate DGD in 43 Gbit/s RZ optical transmission experiment.


Archive | 1994

Discharge lamp, image display device using the same and discharge lamp producing method

Sadayuki Matsumoto; Takeo Saikatsu; Osamu Myodo; Takehiko Sakurai; Hrumi Sawada; Junichiro Hoshizaki; Kazuo Yoshika; Toshio Yamada; Hisae Nishimatsu


Archive | 2006

Variable dispersion compensator

Takuya Ohira; Sadayuki Matsumoto; Kiichi Yoshiara; Masakazu Takabayashi; Junichiro Hoshizaki; Shigeru Matsuno; Ryosuke Namiki; Takashi Hashimoto


Archive | 2000

Waveguide grating device and method of controlling Bragg wavelength of waveguide grating

Masakazu Takabayashi; Kiichi Yoshiara; Sadayuki Matsumoto; Junichiro Hoshizaki; Takeyuki Maegawa; Hajime Takeya; Kiyohide Sakai; Minoru Hashimoto; Fusaoki Uchikawa


Archive | 2001

Polarization dispersion compensating apparatus

Masakazu Takabayashi; Sadayuki Matsumoto; Takuya Ohira; Kiichi Yoshiara; Junichiro Hoshizaki; Hajime Takeya; Shigeru Matsuno


Archive | 2001

Temperature control system for a grating

Sadayuki Matsumoto; Takuya Ohira; Masakazu Takabayashi; Kiichi Yoshiara; Shigeru Matsuno; Hajime Takeya; Junichiro Hoshizaki


Archive | 1992

Discharge lamp and image display device using it and manufacture of the discharge lamp

Junichiro Hoshizaki; Sadayuki Matsumoto; Shigeru Myodo; Takeo Nishikatsu; Hisae Nishimatsu; Takehiko Sakurai; Shunkai Sawada; Toshiro Yamada; Kazuo Yoshioka; 加寿夫 吉岡; 寿郎 山田; 成 明道; 潤一郎 星崎; 貞行 松本; 毅彦 櫻井; 春海 澤田; 健夫 西勝; 久栄 西松


Archive | 1993

Method and apparatus for controlling an image display having gas discharge lamps

Sadayuki Matsumoto; Takeo Saikatsu; Takehiko Sakurai; Junichiro Hoshizaki


Archive | 1992

Luminous device and manufacture thereof

Junichiro Hoshizaki; Sadayuki Matsumoto; Shigeru Myodo; Takeo Nishikatsu; Takehiko Sakurai; Shunkai Sawada; 成 明道; 潤一郎 星崎; 貞行 松本; 毅彦 櫻井; 春海 沢田; 健夫 西勝

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