Visible pulse compression to 4 fs by optical parametric amplification and programmable dispersion control

被引：318
作者：
Baltuska, A [1 ]
Fuji, T [1 ]
Kobayashi, T [1 ]
机构：
[1] Univ Tokyo, Fac Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
来源：
OPTICS LETTERS | 2002年 / 27卷 / 05期
关键词：
D O I：
10.1364/OL.27.000306
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Angular dispersion of pump frequencies is shown to be an efficient mechanism for bandwidth enhancement in a noncollinear optical parametric amplifier. We demonstrate the generation of a continuous, simultaneously phase-matched 250-THz parametrically amplified spectrum. The resultant visible-near-IR signal-wave pulses were compressed to a 4-fs duration by a micromachined flexible mirror. Feedback for an iterative computer-controlled dispersion compensation algorithm is based on pulse characterization by second-harmonic generation frequency-resolved optical gating. (C) 2002 Optical Society of America.
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页码：306 / 308
页数：3
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