Hideo Kuwahara
Hideo Kuwahara
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Efficient coupling from semiconductor lasers into single-mode fibers with tapered hemispherical ends
H Kuwahara, M Sasaki, N Tokoyo
Applied Optics 19 (15), 2578-2583, 1980
Modulation and demodulation techniques in optical heterodyne PSK transmission systems
T Chikama, S Watanabe, T Naito, H Onaka, T Kiyonaga, Y Onoda, ...
Journal of lightwave technology 8 (3), 309-322, 1990
Compensation of pulse shape distortion due to chromatic dispersion and Kerr effect by optical phase conjugation
S Watanabe, T Chikama, G Ishikawa, T Terahara, H Kuwahara
IEEE photonics technology letters 5 (10), 1241-1243, 1993
Optimal 40 Gb/s modulation formats for spectrally efficient long-haul DWDM systems
T Hoshida, O Vassilieva, K Yamada, S Choudhary, R Pecqueur, ...
Journal of lightwave technology 20 (12), 1989-1996, 2002
Optical circulator
H Kuwahara
US Patent 4,650,289, 1987
Numerical comparison of NRZ, CS-RZ and IM-DPSK formats in 43 Gbit/s WDM transmission
O Vassilieva, T Hoshida, S Choudhary, G Castanon, H Kuwahara, ...
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society …, 2001
Detection of micrometastasis in the sentinel lymph nodes in breast cancer
M Ishida, K Kitamura, J Kinoshita, M Sasaki, H Kuwahara, K Sugimachi
Surgery 131 (1), S211-S216, 2002
Compact polarization-independent optical circulator
M Shirasaki, H Kuwahara, T Obokata
Applied optics 20 (15), 2683-2687, 1981
Polarization diversity optical receiver for coherent optical communication
T Naito, T Chikama, S Watanabe, T Kiyonaga, Y Onoda, H Kuwahara, ...
US Patent 4,965,858, 1990
Gated isolation structure for imagers
C Mouli, H Rhodes
US Patent 6,818,930, 2004
Receiver for coherent optical communication
T Naito, T Chikama, S Watanabe, T Kiyonaga, Y Onoda, H Kuwahara
US Patent 5,115,332, 1992
An image signal processor
T Fukushima, Y Kobayashi, K Hirasawa, T Bandoh, M Ejiri, H Kuwahara
1983 IEEE International Solid-State Circuits Conference. Digest of Technical …, 1983
Fundamental investigation of internal arcs in SF/sub 6/gas-filled enclosures
H Kuwahara, T Miyamoto, S Sakuma, T Yamauchi, K Yoshinaga
IEEE Trans. Power Appar. Syst.;(United States), 1982
Reliability and application of metal oxide surge arresters for power systems
S Tominaga, K Azumi, T Nagai, M Imataki, H Kuwahara
IEEE Transactions on Power Apparatus and Systems, 805-816, 1979
Optical modulator and optical modulation control method
H Nishimoto, H Kuwahara
US Patent 8,903,239, 2014
Dual balanced optical signal receiver
H Kuwahara, T Chikama, T Kiyonaga, C Ohsawa
US Patent 5,003,626, 1991
Injection-locked 1.5 μm InGaAsP/InP lasers capable of 450 Mbit/s transmission over 106 km
H Nishimoto, H Kuwahara, M Motegi
Electronics Letters 19 (14), 509-510, 1983
Non-linear tolerant and spectrally efficient 86Gbit/s RZ-DQPSK format for a system upgrade
O Vassilieva, T Hoshida, S Choudhary, H Kuwahara
Optical Fiber Communication Conference, ThE7, 2003
Optical coherent broad-band transmission for long-haul and distribution systems using subcarrier multiplexing
S Watanabe, T Terahara, I Yokota, T Naito, T Chikama, H Kuwahara
Journal of lightwave technology 11 (1), 116-127, 1993
Efficient and reflection insensitive coupling from semiconductor lasers into tapered hemispherical-end single-mode fibers
H Kuwahara, M Sasaki, N Tokoyo, M Saruwatari, K Nakagawa
proc. 6th European conf. Opt. commun, 191-194, 1980
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