Adaptive pulse compression by two-photon absorption in semiconductors

被引：15
|
作者：
Siegner, U
Haiml, M
Kunde, J
Keller, U
机构：
[1] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany
[2] ETH Honggerberg, Inst Quantum Elect, Swiss Fed Inst Technol, CH-8093 Zurich, Switzerland
来源：
OPTICS LETTERS | 2002年 / 27卷 / 05期
关键词：
D O I：
10.1364/OL.27.000315
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the adaptive optimization of broadband laser pulses, using a closed-loop learning algorithm in which the merit function is derived from two-photon absorption in semiconductors. Photoluminescence experiments with US thin films and photocurrent measurements of a GaAsP photodiode have been performed. The experimental data demonstrate that reliable and accurate pulse compression to the bandwidth limit can be achieved, unperturbed by nontrivial phase effects. Therefore two-photon absorption proves to be an easy-to-implement alternative to second-harmonic generation for the compression of broadband laser pulses. (C) 2002 Optical Society of America.
引用
收藏
页码：315 / 317
页数：3
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