Thermal resistance reduction in high power superluminescent diodes by using active multi-mode interferometer Z Zang, K Mukai, P Navaretti, M Duelk, C Velez, K Hamamoto
Applied Physics Letters 100 (3), 2012
158 2012 High-Power ( mW) Superluminescent Diodes by Using Active Multimode Interferometer Z Zang, T Minato, P Navaretti, Y Hinokuma, M Duelk, C Velez, ...
IEEE Photonics Technology Letters 22 (10), 721-723, 2010
143 2010 1.55-μm wavelength-selectable microarray DFB-LD's with monolithically integrated MMI combiner, SOA, and EA-modulator K Kudo, K Yashiki, T Sasaki, Y Yokoyama, K Hamamoto, T Morimoto, ...
IEEE Photonics Technology Letters 12 (3), 242-244, 2000
124 2000 Bistable element K Hamamoto
US Patent 8,774,572, 2014
94 2014 High power and stable high coupling efficiency (66%) superluminescent light emitting diodes by using active multi-mode interferometer Z Zang, K Mukai, P Navaretti, M Duelk, C Velez, K Hamamoto
IEICE transactions on electronics 94 (5), 862-864, 2011
78 2011 First 8* 8 semiconductor optical matrix switches using GaAs/AlGaAs electro-optic guided-wave directional couplers K Hamamoto, T Anan, K Komatsu, M Sugimoto, I Mito
Electronics Letters 5 (28), 441-443, 1992
61 1992 4* 4 gaas/AlGaAs optical matrix switches with uniform device characteristics using alternating Delta beta electrooptic guided-wave directional couplers K Komatsu, K Hamamoto, M Sugimoto, A Ajisawa, Y Kohga, A Suzuki
Journal of lightwave technology 9 (7), 871-878, 1991
54 * 1991 Light wavelength filtering circuit and manufacturing method thereof K Komatsu, M Hayashi, K Hamamoto, T Sasaki, T Takeuchi
US Patent 5,841,929, 1998
48 1998 Wavelength-selectable microarray light sources of multiple ranges simultaneously fabricated on single wafer K Kudo, T Morimoto, K Yashiki, T Sasaki, Y Yokoyama, K Hamamoto, ...
Electronics Letters 36 (8), 745-747, 2000
35 2000 Extremely low loss 4× 4 GaAs/AlGaAs optical matrix switch K Hamamoto, S Sugou, K Komatsu, M Kitamura
Integrated Photonics Research, ITuA2, 1993
33 1993 Insertion-loss-free 2× 2 InGaAsP/InP optical switch fabricated using bandgap energy controlled selective MOVPE K Hamamoto, K Komatsu
Electronics Letters 31 (20), 1779-1781, 1995
29 1995 Spot-size converter integrated semiconductor optical amplifiers for optical gate applications S Kitamura, H Hatakeyama, K Hamamoto, T Sasaki, K Komatsu, ...
IEEE journal of quantum electronics 35 (7), 1067-1074, 1999
24 1999 Single transverse mode active multimode interferometer InGaAsP/InP laser diode K Hamamoto, E Gini, C Holtmann, H Melchior
Electronics Letters 34 (5), 462-464, 1998
24 1998 Single-transverse-mode active-MMI 1.5 μm InGaAsP buried-hetero laser diode K Hamamoto
Europ. Conf. Integ. Opt.(ECIO 1997, Stockholm, Sweden), Proc. of …, 1997
24 1997 A transceiver PIC for bidirectional optical communication fabricated by bandgap energy controlled selective MOVPE T Takeuchi, T Sasaki, M Hayashi, K Hamamoto, K Makita, K Taguchi, ...
IEEE Photonics Technology Letters 8 (3), 361-363, 1996
24 1996 First demonstration of novel active multi-mode interferometer (MMI) LDs integrated with 1st order-mode permitted waveguides K Hamamoto, J De Merlier, M Ohya, K Shiba, K Naniwae, S Sudo, ...
IEICE Electronics Express 2 (13), 399-403, 2005
23 2005 Single-transverse-mode active multi-mode-interferometer 1.45 μm high power laser diode K Hamamoto, E Gini, C Holtmann, H Melchior
Applied Physics B 73, 571-574, 2001
23 2001 Semiconductor optical integrated circuits and method for fabricating the same T Sasaki, M Kitamura, K Hamamoto, S Kitamura, K Komatsu, Y Sakata
US Patent 5,770,466, 1998
23 1998 Semiconductor optical integrated circuits T Sasaki, M Kitamura, K Hamamoto, S Kitamura, K Komatsu, Y Sakata
US Patent 5,565,693, 1996
23 1996 Amplifier-assisted CRDS (cavity ring-down spectroscopy) toward compact breath sensing W Li, Y Han, Z Chen, H Jiang, K Hamamoto
Japanese journal of applied physics 58 (SJ), SJJD01, 2019
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