Optical time lens based on four-wave mixing on a silicon chip

被引：158

作者：

Salem, Reza ^{[1
]}

Foster, Mark A. ^{[1
]}

Turner, Amy C. ^{[2
]}

Geraghty, David F. ^{[1
]}

Lipson, Michal ^{[2
]}

Gaeta, Alexander L. ^{[1
]}

机构：

[1] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14853 USA

[2] Cornell Univ, Sch Elect & Comp Engn, Ithaca, NY 14853 USA

来源：

OPTICS LETTERS | 2008年 / 33卷 / 10期

关键词：

D O I：

10.1364/OL.33.001047

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a new technique to realize an optical time lens for ultrafast temporal processing that is based on four-wave mixing in a silicon nanowaveguide. The demonstrated time lens produces more than 100 pi of phase shift, which is not readily achievable using electro-optic phase modulators. Using this method we demonstrate 20x magnification of a signal consisting of two 3 ps pulses, which allows for temporal measurements using a detector with a 20 GHz bandwidth. Our technique offers the capability of ultrafast temporal characterization and processing in a chip-scale device. (C) 2008 Optical Society of America.

引用

页码：1047 / 1049

页数：3

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