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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
9901988
Frequency chirping in external modulators
F Koyama, K Iga
Journal of Lightwave Technology 6 (1), 87-93, 1988
6331988
Recent advances of VCSEL photonics
F Koyama
Journal of Lightwave Technology 24 (12), 4502-4513, 2006
5822006
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
4621989
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
3221991
Electron reflectance of multiquantum barrier (MQB)
K Iga, H Uenohara, F Koyama
Electronics Letters 22, 1008-1010, 1986
2331986
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
2271995
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
1911984
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
1751993
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
1592021
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
1542013
Microcavity GalaAs/GaAs surface-emitting laser with Ith= 6 mA
K Iga, S Kinoshita, F Koyama
Electronics letters 3 (23), 134-136, 1987
1451987
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
1431983
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
1331988
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
1311985
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
1221995
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
1201999
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
1182001
Growth of highly strained GaInAs/GaAs quantum wells for 1.2 μm wavelength lasers
D Schlenker, T Miyamoto, Z Chen, F Koyama, K Iga
Journal of crystal growth 209 (1), 27-36, 2000
1152000
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
1141996
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