Characterization of nonlinear phase shifts by use of the temporal transport-of-intensity equation

被引：23

作者：

Dorrer, C ^{[1
]}

机构：

[1] Lucent Technol, Bell Labs, Holmdel, NJ 07733 USA

来源：

OPTICS LETTERS | 2005年 / 30卷 / 23期

关键词：

D O I：

10.1364/OL.30.003237

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A temporal transport-of-intensity equation is derived to describe the evolution of the instantaneous power of the electric field in a dispersive medium. As its spatial counterpart, which can be used to measure wavefronts using the intensity measured after various amounts of diffraction, the temporal transport-of-intensity equation allows the determination of temporal phase shifts using only intensity measurements in a direct noninterferometric way. The application to the characterization of nonlinear phase shifts induced by self-phase modulation and cross-phase modulation is used to determine the nonlinear coefficient of a highly nonlinear fiber. (c) 2005 Optical Society of America.

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页码：3237 / 3239

页数：3

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