Yuji KUWAMURA

Reduction of Intensity Noise in Semiconductor Lasers by Simultaneous Usage of the Superposition of High Frequency Current and the Electric Negative Feedback
Minoru YAMADA Itaru TERA Kenjiro MATSUOKA Takuya HAMA Yuji KUWAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/08/01
Vol. E95-C  No. 8  pp. 1444-1446
Type of Manuscript:  BRIEF PAPER
Category: Lasers, Quantum Electronics
Keyword: 
semiconductor laser, optical feedback noise, noise reduction, electric negative feedback, high frequency current superposition, 
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Reduction of the Intensity Noise by Electric Positive and Negative Feedback in Blue-Violet InGaN Semiconductor Lasers
Minoru YAMADA Kazushi SAEKI Eiji TERAOKA Yuji KUWAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/06/01
Vol. E89-C  No. 6  pp. 858-860
Type of Manuscript:  LETTER
Category: Lasers, Quantum Electronics
Keyword: 
InGaN semiconductor laser, optical pick up, quantum noise, optical feedback noise, electric feedback, 
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Quantum Noise and Feed-Back Noise in Blue-Violet InGaN Semiconductor Lasers
Kenjiro MATSUOKA Kazushi SAEKI Eiji TERAOKA Minoru YAMADA Yuji KUWAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/03/01
Vol. E89-C  No. 3  pp. 437-439
Type of Manuscript:  LETTER
Category: Lasers, Quantum Electronics
Keyword: 
InGaN, blue laser, quantum noise, feedback noise, optical disk system, 
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Semiconductor Optical Modulator by Using Electron Depleting Absorption Control
Minoru YAMADA Kazuhiro NODA Yuji KUWAMURA Hirohumi NAKANISHI Kiyohumi IMAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/09/25
Vol. E75-C  No. 9  pp. 1063-1070
Type of Manuscript:  PAPER
Category: Opto-Electronics
Keyword: 
optical modulator, optical switch, semiconductor, 
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Method for Estimating the Threshold Current Level in Semiconductor Injection Lasers
Minoru YAMADA Masahiro KAMIYA Yuji KUWAMURA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/01/25
Vol. E73-E  No. 1  pp. 133-134
Type of Manuscript:  LETTER
Category: Quantum Electronics
Keyword: 
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