Ultrashort-pulse characterization from dynamic spectrograms by iterative phase retrieval

被引：61

作者：

Wong, V

Walmsley, IA

机构：

[1] Institute of Optics, University of Rochester, Rochester

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1997年 / 14卷 / 04期

关键词：

D O I：

10.1364/JOSAB.14.000944

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We develop a modified version of the dynamic spectrogram that permits complete characterization of an ultrashort optical pulse with fewer approximations than do other schemes. The experimental procedure for such a measurement uses a second-order optical nonlinearity and yet yields an intuitive spectrogram with no inherent symmetry constraints or ambiguity. We describe and demonstrate pulse-shape reconstruction from this type of spectrogram. Phase retrieval is performed by means of an iterative algorithm. (C) 1997 Optical Society of America.

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页码：944 / 949

页数：6

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