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Optics Letters|October 14, 2009
FM-eliminated C2H2 frequency-stabilized laser diode with an RIN of -135 dB/Hz and a linewidth of 4 kHzKeisuke Kasai, Masataka NakazawaOptics Express|February 25, 2016
295 mW output, frequency-stabilized erbium silica fiber laser with a linewidth of 5 kHz and a RIN of -120 dB/HzKeisuke Kasai, Masato Yoshida, Masataka NakazawaApplied Optics|October 20, 2017
Color-image reconstruction for two-wavelength digital holography using a generalized phase-shifting approachTakaaki Shiratori, Keisuke Kasai, Nobukazu YoshikawaOptics Letters|November 19, 2008
C2H2 absolutely optical frequency-stabilized and 40 GHz repetition-rate-stabilized, regeneratively mode-locked picosecond erbium fiber laser at 1.53 micromMasataka Nakazawa, Keisuke Kasai, Masato YoshidaOptics Express|March 14, 2018
8 kHz linewidth, 50 mW output, full C-band wavelength tunable DFB LD array with self-optical feedbackKeisuke Kasai, Masataka Nakazawa, Mitsuteru Ishikawa, et al.Optics Express|October 19, 2017
1.5μm, mode-hop-free full C-band wavelength tunable laser diode with a linewidth of 8 kHz and a RIN of -130 dB/Hz and its extension to the L-bandKeisuke Kasai, Masataka Nakazawa, Yasunori Tomomatsu, et al.Optics Express|October 19, 2017
42.3 Tbit/s, 18 Gbaud 64 QAM WDM coherent transmission over 160 km in the C-band using an injection-locked homodyne receiver with a spectral efficiency of 9 bit/s/HzTakashi Kan, Keisuke Kasai, Masato Yoshida, et al.Optics Express|February 3, 2016
Single-channel 40 Gbit/s digital coherent QAM quantum noise stream cipher transmission over 480 kmMasato Yoshida, Toshihiko Hirooka, Keisuke Kasai, et al.Optics Express|November 10, 2016
1.55 μm hydrogen cyanide optical frequency-stabilized and 10 GHz repetition-rate-stabilized mode-locked fiber laserMasato Yoshida, Kazuki Yoshida, Keisuke Kasai, et al.Optics Express|March 26, 2014
QAM quantum stream cipher using digital coherent optical transmissionMasataka Nakazawa, Masato Yoshida, Toshihiko Hirooka, et al.Pageof 4