Photonic generation of tunable multi-frequency microwave source

被引：15

作者：

Gao, S. ^{[1
]}

Gao, Y. ^{[1
]}

He, S. ^{[1
]}

机构：

[1] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Ctr Opt & Electromagnet Res, Hangzhou 310058, Zhejiang, Peoples R China

来源：

ELECTRONICS LETTERS | 2010年 / 46卷 / 03期

基金：

中国国家自然科学基金;

关键词：

FIBER RING LASER; MODE FIBER; SIGNALS;

D O I：

10.1049/el.2010.2876

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A flexibly tunable multi-frequency microwave source is presented based on optical heterodyning between the intensity-modulated optical carrier (incorporated four-wave mixing equalisation and stabilisation) and the frequency-shifted Stokes light generated by fibre stimulated Brillouin scattering. About 20 microwave frequencies centred at 10.77 or 21.62 GHz are experimentally observed. The central frequency and the frequency spacing of the multi-frequency microwave source can be freely tuned by changing the frequency shift of the beating optical waves and the driving frequency on the modulator.

引用

页码：236 / 237

页数：2

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