発表論文
1993
K. Nakagawa, M. Kourogi, and M. Ohtsu : Proposal of a Frequency-Synthesis Chain between the Microwave and Optical Frequency of the Ca Intercombination Line at 657nm Using Diode Lasers, Appl. Phys. B. 57, 425-430 (1993).
M. Kourogi, K. Nakagawa, and M. Ohtsu : Wide-Span Optical Frequency Comb Generator for Accurate Optical Frequency Measurement, IEEE J. Quantum Electron. 29, 2693-2701 (1993).
A. Akulshin, A. Celikov, M. Ohtsu, K. Nakagawa, and V. Velichansky : Sub-MHz Doppler-Free Spectral Line of 51S0 -53P1 Intercombination Transition in Strontium, Jpn. J. Appl. Phys. 32, L1356-L1358 (1993).
M. Ohtsu, K. Nakagawa, M. Kourogi, and W. Wang : Frequency control of semiconductor lasers, J. Appl. Phys. 73, R1-R17 (1993).
1992
W. Wang, K. Nakagawa, S. Sayama, and M. Ohtsu : Coherent addition of injection-locked high-power AlGaAs diode lasers, Opt. Lett. 17, 1593-1595 (1992).
W. Wang, K. Nakagawa, Y. Toda, M. Ohtsu : 1.5 mm diode laser-based nonlinear frequency conversions by using Potassium titanyl phosphate, Appl. Phys. Lett. 62, 1886-1888 (1992).
K. Nakagawa, M. Kourogi, and M. Ohtsu : Frequency noise reduction of a diode laser by using the FM sideband technique, Opt. Lett. 17, 934-936 (1992).
T. Senoh, Y. Fujino, Y. Tanabe, M. Hirano, M. Ohtsu, and K. Nakagawa : Direct modulation of blue radiation from frequency-doubled AlGaAs laser diode using the electro-optic effect in a KNbO3 nonlinear crystal, Appl. Phys. Lett. 60, 1172-1174 (1992).
1991
Y. Moriwaki, K. Nakagawa, and T. Shimizu : Observation and Analysis of the Dv=5 Stretch Overtone Band Transition of 15NH3, Jpn. J. Appl. Phys. 30, 2901-2907 (1991).
K. Nakagawa, M. Teshima, and M. Ohtsu : Injection locking of a highly coherent and high-power diode laser at 1.5 mm, Opt. Lett. 16, 1590-1592 (1991).
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