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Fumio Koyama
Fumio Koyama
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Title
Cited by
Cited by
Year
Surface emitting semiconductor lasers
K Iga, F Koyama, S Kinoshita
IEEE Journal of Quantum Electronics 24 (9), 1845-1855, 1988
10041988
Frequency chirping in external modulators
F Koyama, K Iga
Journal of Lightwave Technology 6 (1), 87-93, 1988
6311988
Recent advances of VCSEL photonics
F Koyama
Journal of Lightwave Technology 24 (12), 4502-4513, 2006
5572006
Room‐temperature continuous wave lasing characteristics of a GaAs vertical cavity surface‐emitting laser
F Koyama, S Kinoshita, K Iga
Applied physics letters 55 (3), 221-222, 1989
4401989
Spontaneous emission factor of a microcavity DBR surface-emitting laser
T Baba, T Hamano, F Koyama, K Iga
IEEE Journal of Quantum Electronics 27 (6), 1347-1358, 1991
3311991
Electron reflectance of multiquantum barrier (MQB)
K Iga, H Uenohara, F Koyama
Electronics Letters 22, 1008-1010, 1986
2361986
A record low threshold InGaAs/GaAlAs vertical-cavity surface-emitting laser
Y Hayashi, T Mukaihara, N Hatori, N Ohnoki, A Matsutani, F Koyama, ...
Quantum Optoelectronics, PD2, 1995
2251995
1.5 μm phase-shifted DFB lasers for single-mode operation
K Sekartedjo, N Eda, K Furuya, Y Suematsu, F Koyama, T Tanbun-Ek
Electronics Letters 2 (20), 80-81, 1984
1941984
Near room temperature continuous wave lasing characteristics of GaInAsP/InP surface emitting laser
T Baba, Y Yogo, K Suzuki, F Koyama, K Iga
Electronics Letters 10 (29), 913-914, 1993
1801993
Microcavity GalaAs/GaAs surface-emitting laser with Ith= 6 mA
K Iga, S Kinoshita, F Koyama
Electronics letters 3 (23), 134-136, 1987
1441987
1.5-1.6 Ám GaInAsP/InP dynamic-single-mode (DSM) lasers with distributed Bragg reflector
F Koyama, Y Suematsu, S Arai, T Tawee
IEEE Journal of Quantum Electronics 19 (6), 1042-1051, 1983
1441983
29 GHz directly modulated 980 nm vertical-cavity surface emitting lasers with bow-tie shape transverse coupled cavity
H Dalir, F Koyama
Applied Physics Letters 103 (9), 2013
1352013
Room temperature cw operation of GaAs vertical cavity surface emitting laser
F Koyama, S KINOSHITA, K IGA
IEICE TRANSACTIONS (1976-1990) 71 (11), 1089-1090, 1988
1311988
Analysis of dynamic spectral width of dynamic-single-mode (DSM) lasers and related transmission bandwidth of single-mode fibers
F Koyama, Y Suematsu
IEEE journal of quantum electronics 21 (4), 292-297, 1985
1301985
Polarization control of vertical-cavity surface emitting lasers using a birefringent metal/dielectric polarizer loaded on top distributed Bragg reflector
T Mukaihara, N Ohnoki, Y Hayashi, N Hatori, F Koyama, K Iga
IEEE Journal of Selected Topics in Quantum Electronics 1 (2), 667-673, 1995
1211995
Strong enhancement of light extraction efficiency in GaInAsP 2-D-arranged microcolumns
T Baba, K Inoshita, H Tanaka, J Yonekura, M Ariga, A Matsutani, ...
Journal of lightwave technology 17 (11), 2113, 1999
117*1999
Thermal annealing of GaInNAs/GaAs quantum wells grown by chemical beam epitaxy and its effect on photoluminescence
T Kageyama, T Miyamoto, S Makino, F Koyama, K Iga
Japanese journal of applied physics 38 (3B), L298, 1999
1171999
A novel short-cavity laser with deep-grating distributed Bragg reflectors
TBA Matsutani, TMT Mukaihara, FKF Koyama, KIK Iga
Japanese journal of applied physics 35 (2S), 1390, 1996
1171996
Directly modulated membrane lasers with 108 GHz bandwidth on a high-thermal-conductivity silicon carbide substrate
S Yamaoka, NP Diamantopoulos, H Nishi, R Nakao, T Fujii, K Takeda, ...
Nature Photonics 15 (1), 28-35, 2021
1162021
Lasing characteristics of low-threshold GaInNAs lasers grown by metalorganic chemical vapor deposition
M Kawaguchi, T Miyamoto, E Gouardes, D Schlenker, T Kondo, F Koyama, ...
Japanese Journal of Applied Physics 40 (7B), L744, 2001
1162001
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