Yasuharu SUEMATSU


Semiconductor Intersectional Waveguide Optical Switch Using Positive Refractive Index Variation
Kazuhiko SHIMOMURA Shigehisa ARAI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/02/25
Vol. E74-C  No. 2  pp. 378-383
Type of Manuscript:  PAPER
Category: Electro-Optics
Keyword: 
 Summary | Full Text:PDF(521.1KB)

Linewidth Enhancement Factor of Distributed Reflector (DR) DSM Laser
Isao ARIMA Kazuhiro KOMORI Shigehisa ARAI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/12/25
Vol. E73-E  No. 12  pp. 2014-2016
Type of Manuscript:  LETTER
Category: Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(198.1KB)

Longitudinal Current Leakage in Integrated Laser
Kazuhiro KOMORI Shigehisa ARAI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/08/25
Vol. E73-E  No. 8  pp. 1384-1392
Type of Manuscript:  PAPER
Category: Electro-Optics
Keyword: 
 Summary | Full Text:PDF(662.9KB)

Theoretical Analysis for High Efficiency Operation in Distributed Reflector (DR) Type Lasers
Jong-In SHIM Shigehisa ARAI Kazuhiro KOMORI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/08/25
Vol. E73-E  No. 8  pp. 1378-1383
Type of Manuscript:  PAPER
Category: Electro-Optics
Keyword: 
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Lasing Action in GaInAs/GaInAsP Quantum-Wire Structure
Ming CAO Yasunari MIYAKE Shigeo TAMURA Hideki HIRAYAMA Shigehisa ARAI Yasuharu SUEMATSU Yasuyuki MIYAMOTO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/01/25
Vol. E73-E  No. 1  pp. 63-70
Type of Manuscript:  Special Section PAPER (Special Issue on International Conference on Integrated Optics and Optical Fiber Communication)
Category: Optical Semiconductor Devices and OEICs
Keyword: 
 Summary | Full Text:PDF(800KB)

Field Induced Refractive Index Variation in Quantum Box Structure for Intersectional Optical Switch
Katsuaki MATSUBARA K.G. RAVIKUMAR Masahiro ASADA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/11/25
Vol. E72-E  No. 11  pp. 1179-1181
Type of Manuscript:  LETTER
Category: Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(208.8KB)

Proposal of Space Charge Limited Insulator Tetroide with High-Speed Response Using Metal and Insulator
Yasuyuki CHAKI Tomoaki SAKAGUCHI Masahiro ASADA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/04/25
Vol. E72-E  No. 4  pp. 313-314
Type of Manuscript:  Special Section LETTER (Special Issue on 1989 Spring National Convention IEICE)
Category: Electronic Devices
Keyword: 
 Summary | Full Text:PDF(150.2KB)

GaInAsP/InP MQW Intersectional Optical Switch/Modulator Using Field Induced Refractive Index Variation
K.G. RAVIKUMAR Kazuhiko SHIMOMURA Tomoyuki KIKUGAWA Akira IZUMI Katsuaki MATSUBARA Shigehisa ARAI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/04/25
Vol. E72-E  No. 4  pp. 384-392
Type of Manuscript:  PAPER
Category: Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(842.1KB)

Proposal of Distributed Reflector (DR) Structure for High Efficiency Dynamic Single Mode (DSM) Lasers
Kazuhiro KOMORI Shigehisa ARAI Yasuharu SUEMATSU Masahiro AOKI Isamu ARIMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/04/25
Vol. E71-E  No. 4  pp. 318-320
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1988 Spring Convention IEICE)
Category: Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(237.5KB)

Suppression of Mode Hopping Noise Caused by External Reflection in Dynamic Single Mode (DSM) Lasers
Hiroshi FUKUI Kazuhito FURUYA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/09/25
Vol. E70-E  No. 9  pp. 857-864
Type of Manuscript:  PAPER
Category: Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(672.2KB)

1.5-1.6 µm GaInAsP/InP Bundle-Integrated-Guide (BIG) Distributed-Bragg-Reflector (DBR) Lasers
Yuichi TOHMORI Kazuhiro KOMORI Shigehisa ARAI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/05/25
Vol. E70-E  No. 5  pp. 494-503
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(920.8KB)

Fabrication of GaInAsP/InP Heterostructure for 1.5 µm Lasers by OMVPE
Yasuyuki MIYAMOTO Chiaki WATANABE Masashi NAGASHIMA Kazuhito FURUYA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/02/25
Vol. E70-E  No. 2  pp. 121-129
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(759.6KB)

Mass Transport Buried Heterostructure Laser Using p-InP Substrate
Sekartedjo KOENTJORO Katare Gopalrao RAVIKUMAR Kazuhiko SHIMOMURA Kazuhiro KOMORI Shigehisa ARAI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/09/25
Vol. E69-E  No. 9  pp. 920-922
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(238KB)

Direct Modulation Properties of Bundle-Integrated-Guide Dynamic Single Mode (BIG-DSM) Lasers
Linda POSADAS Yuichi TOHMORI Kazuhiro KOMORI Shigehisa ARAI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/05/25
Vol. E69-E  No. 5  pp. 583-586
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(291.8KB)

Analysis of Layer Number Dependence of Response Time and Current Gain of Resonant Electron Transfer Triode
Yasuyuki NAKATA Masahiro ASADA Yasuharu SUEMATSU Mitsunobu SATO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 305-307
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Compound Semiconductor Devices
Keyword: 
 Summary | Full Text:PDF(153.9KB)

Reflection Noise Measurement of Dynamic Single Mode Lasers
Hiroshi FUKUI Yasuharu SUEMATSU Kazuhito FURUYA Yuichi TOHMORI Sigehisa ARAI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/03/25
Vol. E69-E  No. 3  pp. 187-189
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(219.8KB)

1.55m GaInAsP/InP Buried Heterostructure Lasers with Multiple p-n Current Blocking Layer Entirely Grown by Low-Pressure OMVPE
Masashi NAGASHIMA Yasuyuki MIYAMOTO Chiaki WATANABE Yasuharu SUEMATSU Kazuhito FURUYA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/02/25
Vol. E69-E  No. 2  pp. 92-94
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(240.4KB)

OMVPE Grown GaInAsP/InP BH Laser on p-Type Substrate
Yasuyuki MIYAMOTO Chiaki WATANABE Masashi NAGASHIMA Kazuhito FURUYA Yasuharu SUEMATSU Yuichi TOHMORI Shigehisa ARAI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1985/12/25
Vol. E68-E  No. 12  pp. 796-797
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(151KB)

Wavelength Tunable 1.5µm GaInAsP/InP Bundle-Integrated-Guide Distributed Bragg Reflector (BIG-DBR) Lasers
Yuichi TOHMORI Kazuhiro KOMORI Shigehisa ARAI Yasuharu SUEMATSU Hiromi OOHASHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1985/12/25
Vol. E68-E  No. 12  pp. 788-790
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(185.2KB)

Bundle-Integrated-Guide (BIG) DBR Type Dynamic-Single-Mode Laser with Short Active Region
Kazuhiro KOMORI Yuichi TOHMORI Shigehisa ARAI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1985/11/25
Vol. E68-E  No. 11  pp. 742-744
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(208.9KB)

Intersectional Waveguide Type Optical Switch with Quantum Well Structure
Hiroaki YAMAMOTO Masahiro ASADA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1985/11/25
Vol. E68-E  No. 11  pp. 737-739
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(196.2KB)

Mass Transported 1.55µm GaInAsP/InP BH Laser Grown by OMVPE
Masashi NAGASHIMA Yasuyuki MIYAMOTO Kazuhito FURUYA Yasuharu SUEMATSU Chiaki WATANABE Shu-ren YANG 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1985/09/25
Vol. E68-E  No. 9  pp. 563-565
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(231.8KB)

Gain and Loss of GaInAsP/InP (λg1.5µm) Grown by OMVPE Estimated from Lasing Characteristics
Shu-ren YANG Yasuyuki MIYAMOTO Chiaki WATANABE Masashi NAGASHIMA Kazuhito FURUYA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1985/08/25
Vol. E68-E  No. 8  pp. 521-523
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(157.7KB)

Large-Signal Analysis of Dynamic Wavelength Shift and Carrier-Density-Variation in Directly Modulated Dynamic-Single-Mode Lasers
Hideaki TSUSHIMA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/09/25
Vol. E67-E  No. 9  pp. 480-487
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(556.1KB)

Nonlinear Distortion Properties of Laser Diode Influenced by Coherent Reflected Waves
Koji KIKUSHIMA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/01/25
Vol. E67-E  No. 1  pp. 19-25
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(489.5KB)

Precise Control of Grating Pitch by Electron-Beam Exposure System for Integrated Optics
Kazuhito FURUYA Kenji YOSHIDA Kimiyasu HONJO Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/09/25
Vol. E66-E  No. 9  pp. 561-562
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(128.7KB)

Quantum Intensity Noise of Directly Modulated Laser Diode Influenced by Reflected Waves
Osamu HIROTA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/02/25
Vol. E65-E  No. 2  pp. 94-101
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(590.9KB)

Amplification Characteristics of Integrated Twin-Guide Laser Amplifier
Toshio KAMBAYASHI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/07/25
Vol. E64-E  No. 7  pp. 489-496
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(536.5KB)

Random-Bend Loss--Evaluation in Single-Mode Optical Fiber with Various Index Profiles--
Masamitsu KUBOTA Kazuhito FURUYA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/10/25
Vol. E63-E  No. 10  pp. 723-730
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(508KB)

Measurement of Coupling Coefficient and Coupling Length of GaAs/AlGaAs Integrated Twin-Guide Injection Lasers Prepared by Liquid-Phase-Epitaxy
Katsuyuki UTAKA Yasuharu SUEMATSU Katsumi KISHINO Hideo KAWANISHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/05/25
Vol. E62-E  No. 5  pp. 319-323
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(375.6KB)

Bandwidths of Single Mode Optical Fibers
Kazuhito FURUYA Matsuhiro MIYAMOTO Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/05/25
Vol. E62-E  No. 5  pp. 305-310
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(379.1KB)

Influence of Intraband Electronic Relaxation on Relaxation Oscillation of Injection Lasers
Kazuhito FURUYA Yasuharu SUEMATSU Yasushi SAKAKIBARA Minoru YAMADA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/04/25
Vol. E62-E  No. 4  pp. 241-245
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(339.4KB)

Harmonic Distortion in Direct Modulation of Injection Lasers
Tchang-hee HONG Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/03/25
Vol. E62-E  No. 3  pp. 142-147
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(425.2KB)

Low-Loss Splicing of Single-Mode Fibers by Tapered-Butt-Joint Method
Kazuhito FURUYA Tow Chong CHONG Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/12/25
Vol. E61-E  No. 12  pp. 957-961
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(342.4KB)

Transmission Characteristics of Model-Coupled Graded-Index Multimode Optical Fibers
Yasuharu SUEMATSU Hideharu TOKIWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/05/25
Vol. E61-E  No. 5  pp. 355-362
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(567.2KB)

Optimal Control of Quantum Noise (Optical Communications by Two-photon Laser Part II)
Osamu HIROTA Isamu SHIOYA Shikao IKEHARA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/04/25
Vol. E61-E  No. 4  pp. 273-279
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(481.1KB)

Measurement of Carrier Lifetimes in InGaAsP/InP Double Heterostructure Lasers
Shigeyuki AKIBA Yoshio ITAYA Kazuo SAKAI Takaya YAMAMOTO Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/03/25
Vol. E61-E  No. 3  pp. 124-127
Type of Manuscript:  Special Section PAPER (Special Issue on Integrated Optics and Optical Fiber Communications)
Category: 
Keyword: 
 Summary | Full Text:PDF(334.6KB)

Estimation of Coupling Length in Mode-Coupled Multimode Optical Fibers
Hideharu TOKIWA Yasuharu SUEMATSU Kazuhito FURUYA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/03/25
Vol. E61-E  No. 3  pp. 192-195
Type of Manuscript:  Special Section PAPER (Special Issue on Integrated Optics and Optical Fiber Communications)
Category: 
Keyword: 
 Summary | Full Text:PDF(294.2KB)

An Optimum Refractive Index Profile of Broadband Multimode Optical Fibers
Kazuhito FURUYA Shigeta ISHIKAWA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/03/25
Vol. E61-E  No. 3  pp. 188-191
Type of Manuscript:  Special Section PAPER (Special Issue on Integrated Optics and Optical Fiber Communications)
Category: 
Keyword: 
 Summary | Full Text:PDF(291.2KB)

Suppression of Resonance-Like Phenomena in the Light Output of Directly Modulated Injection Lasers by -Type Suppressor Circuit
Tchanghee HONG Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/03/25
Vol. E61-E  No. 3  pp. 121-123
Type of Manuscript:  Special Section PAPER (Special Issue on Integrated Optics and Optical Fiber Communications)
Category: 
Keyword: 
 Summary | Full Text:PDF(239.1KB)

Theoretical Spontaneous Emission Factor of Injection Lasers
Yasuharu SUEMATSU Kazuhito FURUYA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1977/09/25
Vol. E60-E  No. 9  pp. 467-472
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(446.1KB)

An Exact Numerical Analysis of the Diffused Optical Waveguides for Measurement of Diffusion Parameters
Hideo KAWANISHI Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1977/05/25
Vol. E60-E  No. 5  pp. 231-236
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(451.5KB)

An Exact Analysis of Cylindrical Fiber with Index Distribution by Matrix Method and Its Application to Focusing Fiber
Tsuneo TANAKA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1976/11/25
Vol. E59-E  No. 11  pp. 1-8
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(525.7KB)

Mode Selectivity in Integrated Twin-Guide Lasers
Minoru YAMADA Hideaki NISHIZAWA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1976/07/25
Vol. E59-E  No. 7  pp. 9-10
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(127.3KB)

Effects of Anisotropy on Guided-Wave Type Second Harmonic Generation
Sadao IBUKURO Takashi TSUKAMOTO Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1976/06/25
Vol. E59-E  No. 6  pp. 21-22
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(139.2KB)

High Speed Pulse Modulation of Injection Lasers at Non-Bias Condition
Yasuharu SUEMATSU Shigeyuki AKIBA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1976/01/25
Vol. E59-E  No. 1  pp. 1-8
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(610.6KB)