Measurement of pulse asymmetry by three-photon-absorption autocorrelation in a GaAsP photodiode

被引：39

作者：

Langlois, P ^{[1
]}

Ippen, EP

机构：

[1] MIT, Dept Elect Engn & Comp Sci, Elect Res Lab, Cambridge, MA 02139 USA

[2] MIT, Dept Phys, Cambridge, MA 02139 USA

来源：

OPTICS LETTERS | 1999年 / 24卷 / 24期

关键词：

D O I：

10.1364/OL.24.001868

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Three-photon absorption in a GaAsP photodiode is used for what is believed to be the first time for nonlinear optical autocorrelation at wavelengths from 1.4 to 1.6 pm. Theoretical intensity dependence and contrast ratios are achieved, and the ratio of the three- to the two-photon-absorption coefficient is measured. Finally, it is demonstrated that pulse asymmetry can be measured with no direction-of-time ambiguity by use of unbalanced three-photon-absorption autocorrelation. (C) 1999 Optical Society of America OCIS codes: 320.7100, 320.7110, 320.2250, 320.7130, 040.5150, 190.4180.

引用

页码：1868 / 1870

页数：3

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