Generation of Sub 50-fs Mid-Infrared Pulses by Optical Parametric Amplifier Based on Periodically-Poled MgO:LiNbO3
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概要
- 論文の詳細を見る
Femtosecond pulses with the bandwidth in excess of 600 nm in 3–4 μm spectral range were generated by an optical parametric amplifier based on periodically-poled MgO:LiNbO3. We utilized broadband quasi-phase-matching condition, which appears around the idler wavelength of 3400 nm when pumped at 800 nm. The generated mid-infrared pulses were characterized by the frequency-resolved optical gating method in the second-harmonic generation geometry. After the second-order spectral phase was compensated by dispersive transmission through a silicon window, the pulse duration was about 45 fs, corresponding to four optical cycles. Compensation of higher-order spectral phase could enable the generation of few-cycle pulses.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2009-04-25
著者
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Shimura Tsutomu
Institute Of Industrial Science University Of Tokyo
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Kuroda Kazuo
Institute Of Industrial Science Umversity Of Tokyo
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Shimura Tsutomu
Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
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Ashihara Satoshi
Department of Applied Physics, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
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Mochizuki Takahiro
Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
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Yamamoto Shunsuke
Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
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