Fumio KOYAMA


Wavelength Trimming of Micro-Machined VCSELs
Hayato SANO Norihiko NAKATA Akihiro MATSUTANI Fumio KOYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/02/01
Vol. E95-C  No. 2  pp. 237-242
Type of Manuscript:  Special Section PAPER (Special Section on Photonic Devices using Nanofabrication Technology and Their Applications)
Category: 
Keyword: 
VCSELMEMSwavelength trimmingWDMoptical Interconnects
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FOREWORD
Ken-ichi KITAYAMA Ampalavanapillai (Thas) NIRMALATHAS Kimio OGUCHI Fumio KOYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/05/01
Vol. E88-C  No. 5  pp. 857-858
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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FOREWORD
Ken-ichi KITAYAMA T.A. NIRMALATHAS Kimio OGUCHI Fumio KOYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/05/01
Vol. E88-B  No. 5  pp. 1852-1852
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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All-Optical Regeneration Using a Vertical-Cavity Surface-Emitting Laser with External Light Injection
Yutaka ONISHI Fumio KOYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/03/01
Vol. E87-C  No. 3  pp. 409-415
Type of Manuscript:  PAPER
Category: Lasers, Quantum Electronics
Keyword: 
vertical-cavity surface-emitting laserall optical 2R regenerationtransverse modeexternal light injectiondetuningfrequency pulling effect
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Single High-Order Transverse Mode Surface Emitting Laser with Micromachined Surface Relief
Satoshi SHINADA Fumio KOYAMA Nobuhiko NISHIYAMA Masakazu ARAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/04/01
Vol. E85-C  No. 4  pp. 995-1000
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress of Integrated Photonic Devices)
Category: Active Devices
Keyword: 
semiconductor lasersurface emitting laseroptical fiber communicationtransverse mode controlfar field pattern
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Temperature Characteristics of λ=1.3 µm GaInNAs/GaAs Quantum Well Lasers Grown by Chemical Beam Epitaxy
Takeo KAGEYAMA Tomoyuki MIYAMOTO Shigeki MAKINO Yoshihiko IKENAGA Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/01/01
Vol. E85-C  No. 1  pp. 71-78
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Semiconductor Lasers and Light-Emitting Devices)
Category: 
Keyword: 
lasertemperatureVCSELGaInNAs
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Temperature Insensitive Micromachined GaAlAs/GaAs Vertical Cavity Wavelength Filter
Takeru AMANO Fumio KOYAMA Nobuhiko NISHIYAMA Akihiro MATSUTANI Kenichi IGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/05/01
Vol. E84-B  No. 5  pp. 1304-1310
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Passive Devices and Modules
Keyword: 
wavelength tuningmicromachiningsemiconductor DBRwavelength trimmingvertical cavity filtermultiple wavelength
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Temperature Insensitive Micromachined GaAlAs/GaAs Vertical Cavity Wavelength Filter
Takeru AMANO Fumio KOYAMA Nobuhiko NISHIYAMA Akihiro MATSUTANI Kenichi IGA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/05/01
Vol. E84-C  No. 5  pp. 678-684
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Passive Devices and Modules
Keyword: 
wavelength tuningmicromachiningsemiconductor DBRwavelength trimmingvertical cavity filtermultiple wavelength
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GaInAs/GaAs Single Mode Vertical Cavity Surface Emitting Laser (VCSEL) Array on GaAs (311)B
Masakazu ARAI Nobuhiko NISHIYAMA Munechika AZUCHI Satoshi SHINADA Akihiro MATSUTANI Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/03/01
Vol. E84-C  No. 3  pp. 331-338
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Interconnects/Optical Signal Processing)
Category: Device
Keyword: 
VCSELGaAs (311)Bpolarizationarray
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Vertical Cavity Surface-Emitting Laser Array for 1.3 µm Range Parallel Optical Fiber Transmissions
Toshihiko BABA Yukiaki YOGO Katsumasa SUZUKI Tomonobu KONDO Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/02/25
Vol. E78-C  No. 2  pp. 201-203
Type of Manuscript:  LETTER
Category: Opto-Electronics
Keyword: 
surface-emitting laserlaser arraysemiconductor laserburied heterostructureGaInAsP/InPoptical fiber communication
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Temperature Characteristics of Short-Cavity AIGaAs/GaAs Surface Emitting Lasers
Takemasa TAMANUKI Kazuhiko HOUJOU Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/11/25
Vol. E74-C  No. 11  pp. 3867-3869
Type of Manuscript:  LETTER
Category: Opto-Electronics
Keyword: 
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Transverse Mode Analysis for Surface Emitting Laser Using Beam Propagation Method
Mitsuaki SHIMIZU Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/10/25
Vol. E74-C  No. 10  pp. 3334-3341
Type of Manuscript:  PAPER
Category: Opto-Electronics
Keyword: 
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Surface-Emitting-Laser-Diode Type Wavelength Selective Filter
Shinichi KUBOTA Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/06/25
Vol. E74-C  No. 6  pp. 1689-1691
Type of Manuscript:  LETTER
Category: Opto-Electronics
Keyword: 
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Estimation of Tunable Wavelength Range in Surface Emitting Laser Using Intra-Cavity Quantum-Well Tuner
Noriyuki YOKOUCHI Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/09/25
Vol. E73-E  No. 9  pp. 1473-1475
Type of Manuscript:  LETTER
Category: Quantum Electronics
Keyword: 
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Estimation of Linewidth for a Surface Emitting Laser with Multilayer DBRs
Toshi K. UCHIDA Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/10/25
Vol. E72-E  No. 10  pp. 1084-1085
Type of Manuscript:  LETTER
Category: Quantum Electronics
Keyword: 
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Estimation of Diffraction Loss in Surface Emitting Laser Cavity by Beam Propagation Method
Mitsuaki SHIMIZU Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/10/25
Vol. E72-E  No. 10  pp. 1050-1051
Type of Manuscript:  Special Section LETTER (Special Issue on 1989 Autumn National Convention IEICE)
Category: Optoelectronics
Keyword: 
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Room Temperature CW Operation of GaAs Vertical Cavity Surface Emitting Laser
Fumio KOYAMA Susumu KINOSHITA Kenichi IGA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/11/25
Vol. E71-E  No. 11  pp. 1089-1090
Type of Manuscript:  LETTER
Category: Quantum Electronics
Keyword: 
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Lateral Carrier Diffusion Effect in Parametric Modulation of Semiconductor Lasers
Kenichi IGA Fumio KOYAMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/05/25
Vol. E70-E  No. 5  pp. 458-459
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
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Single Longitudinal Mode Operation of Directly Modulated GaAlAs/GaAs Surface Emitting Laser
Fumio KOYAMA Kenichi IGA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/05/25
Vol. E70-E  No. 5  pp. 455-457
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
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