Sluggish light for radio-frequency true-time-delay applications with a large time-bandwidth product

被引：6

作者：

Gao, Lu ^{[1
]}

Herriot, Sandrine I. ^{[1
]}

Wagner, Kelvin H. ^{[1
]}

机构：

[1] Univ Colorado, Optoelect Comp Syst Ctr, Boulder, CO 80309 USA

来源：

OPTICS LETTERS | 2006年 / 31卷 / 22期

关键词：

D O I：

10.1364/OL.31.003360

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A new radio-frequency (RF) photonic technique for achieving large RF time delays has been experimentally demonstrated using femtosecond pulses modulated by an acousto-optic tunable filter in a frequency-mapped and Doppler-shifted modulation scheme. A short optical delay line with length of 240 mu m produces nearly 3 mu s RF time delay after optical heterodyne detection, resulting in an effective slow-light velocity of 86 m/s. A delay-to-pulse-width ratio of 20 based on this technique has been observed, with a larger fractional delay foreseeable. (c) 2006 Optical Society of America

引用

页码：3360 / 3362

页数：3

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