Frequency Resolved Optical Gating Studies of Strained Saturable Bragg Reflector: Anomalous Dispersion near Resonance Absorption of the Exciton Resonance
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概要
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A strained saturable Bragg reflector (SSBR) for passive mode-locking of Ti:sapphire lasers was investigated by the frequency resolved optical gating (FROG) technique. Incident pulses of several wavelengths and with zero, positive, or negative chirp were employed. A considerable pulse shortening near the excitonic resonance of the strained quantum well was observed and attributed to anomalous dispersion due to resonance absorption. On the long wavelength side of exciton resonance, however, the chirp of the reflected pulse showed a weak wavelength dependence attributed to the material dispersion of SSBR in pulse broadening was obtained.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-09-15
著者
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Huang Kai-fung
Department Of Electrophysics National Chiao Tung University
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Pan Ci-ling
Institute Of Electro-optic Engineering National Chiao Tung University
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Liu Tze-an
Institute Of Electro-optic Engineering National Chiao Tung University
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Lee Chao-kuei
Institute Of Electro-optical Engineering National Chiao Tung University
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Huang Kai-Fung
Department of Electrophysics, National Chiao Tung University, Hsinchu, Taiwan 30010, R.O.C.
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Liu Tze-An
Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu, Taiwan 30010, R.O.C.
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Pan Ci-Ling
Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu, Taiwan 30010, R.O.C.
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