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: 1991/02/20
Vol. E74-C  No. 2  pp. 378-383
Type of Manuscript: PAPER
Category: Electro-Optics
Keyword: 
  Summary |  Full Text:PDF (522.4KB)

Linewidth Enhancement Factor of Distributed Reflector (DR) DSM Laser
Isao ARIMA  Kazuhiro KOMORI  Shigehisa ARAI  Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/12/20
Vol. E73-E  No. 12  pp. 2014-2016
Type of Manuscript: LETTER
Category: Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (198.4KB)

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: 1990/08/20
Vol. E73-E  No. 8  pp. 1378-1383
Type of Manuscript: PAPER
Category: Electro-Optics
Keyword: 
  Summary |  Full Text:PDF (523.9KB)

Longitudinal Current Leakage in Integrated Laser
Kazuhiro KOMORI  Shigehisa ARAI  Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/08/20
Vol. E73-E  No. 8  pp. 1384-1392
Type of Manuscript: PAPER
Category: Electro-Optics
Keyword: 
  Summary |  Full Text:PDF (662.8KB)

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: 1990/01/20
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 (799.9KB)

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: 1989/11/20
Vol. E72-E  No. 11  pp. 1179-1181
Type of Manuscript: LETTER
Category: Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (209.1KB)

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: 1989/04/20
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 (150.6KB)

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: 1989/04/20
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: 1988/04/20
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 (237.8KB)

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: 1987/09/20
Vol. E70-E  No. 9  pp. 857-864
Type of Manuscript: PAPER
Category: Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (672.3KB)

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: 1987/05/20
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: 1987/02/20
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: 1986/09/20
Vol. E69-E  No. 9  pp. 920-922
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (238.3KB)

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: 1986/05/20
Vol. E69-E  No. 5  pp. 583-586
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (292.1KB)

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: 1986/04/20
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 (154.2KB)

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: 1986/03/20
Vol. E69-E  No. 3  pp. 187-189
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (220.1KB)

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: 1986/02/20
Vol. E69-E  No. 2  pp. 92-94
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (240.7KB)

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: 1985/12/20
Vol. E68-E  No. 12  pp. 788-790
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (185.5KB)

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: 1985/12/20
Vol. E68-E  No. 12  pp. 796-797
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (151.3KB)

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: 1985/11/20
Vol. E68-E  No. 11  pp. 742-744
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (209.2KB)

Intersectional Waveguide Type Optical Switch with Quantum Well Structure
Hiroaki YAMAMOTO  Masahiro ASADA  Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1985/11/20
Vol. E68-E  No. 11  pp. 737-739
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (196.5KB)

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: 1985/09/20
Vol. E68-E  No. 9  pp. 563-565
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (232.1KB)

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: 1985/08/20
Vol. E68-E  No. 8  pp. 521-523
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (158KB)

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: 1984/09/20
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: 1984/01/20
Vol. E67-E  No. 1  pp. 19-25
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (489.7KB)

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: 1983/09/20
Vol. E66-E  No. 9  pp. 561-562
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (129.1KB)

Quantum Intensity Noise of Directly Modulated Laser Diode Influenced by Reflected Waves
Osamu HIROTA  Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/02/20
Vol. E65-E  No. 2  pp. 94-101
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (591KB)

Amplification Characteristics of Integrated Twin-Guide Laser Amplifier
Toshio KAMBAYASHI  Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/07/20
Vol. E64-E  No. 7  pp. 489-496
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (536.6KB)

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: 1980/10/20
Vol. E63-E  No. 10  pp. 723-730
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (508.1KB)

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: 1979/05/20
Vol. E62-E  No. 5  pp. 319-323
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (375.8KB)

Bandwidths of Single Mode Optical Fibers
Kazuhito FURUYA  Matsuhiro MIYAMOTO  Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/05/20
Vol. E62-E  No. 5  pp. 305-310
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (379.3KB)

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: 1979/04/20
Vol. E62-E  No. 4  pp. 241-245
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (339.6KB)

Harmonic Distortion in Direct Modulation of Injection Lasers
Tchang-hee HONG  Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/03/20
Vol. E62-E  No. 3  pp. 142-147
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (425.4KB)

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: 1978/12/20
Vol. E61-E  No. 12  pp. 957-961
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (342.6KB)

Transmission Characteristics of Model-Coupled Graded-Index Multimode Optical Fibers
Yasuharu SUEMATSU  Hideharu TOKIWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/05/20
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: 1978/04/20
Vol. E61-E  No. 4  pp. 273-279
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (481.2KB)

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: 1978/03/20
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 (334.9KB)

Estimation of Coupling Length in Mode-Coupled Multimode Optical Fibers
Hideharu TOKIWA  Yasuharu SUEMATSU  Kazuhito FURUYA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/03/20
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 (294.4KB)

An Optimum Refractive Index Profile of Broadband Multimode Optical Fibers
Kazuhito FURUYA  Shigeta ISHIKAWA  Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/03/20
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 (291.5KB)

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: 1978/03/20
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 (239.4KB)

Theoretical Spontaneous Emission Factor of Injection Lasers
Yasuharu SUEMATSU  Kazuhito FURUYA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1977/09/20
Vol. E60-E  No. 9  pp. 467-472
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (446.2KB)

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: 1977/05/20
Vol. E60-E  No. 5  pp. 231-236
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (451.7KB)

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: 1976/11/20
Vol. E59-E  No. 11  pp. 1-8
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (525.8KB)

Mode Selectivity in Integrated Twin-Guide Lasers
Minoru YAMADA  Hideaki NISHIZAWA  Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1976/07/20
Vol. E59-E  No. 7  pp. 9-10
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (127.7KB)

Effects of Anisotropy on Guided-Wave Type Second Harmonic Generation
Sadao IBUKURO  Takashi TSUKAMOTO  Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1976/06/20
Vol. E59-E  No. 6  pp. 21-22
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (139.5KB)

High Speed Pulse Modulation of Injection Lasers at Non-Bias Condition
Yasuharu SUEMATSU  Shigeyuki AKIBA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1976/01/20
Vol. E59-E  No. 1  pp. 1-8
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF (610.6KB)