Serrodyne optical frequency shifting for heterodyne self-mixing in a distributed-feedback fiber laser

被引：19

作者：

Laroche, Mathieu ^{[1
]}

Bartolacci, Celia ^{[1
]}

Lesueur, Guillaume ^{[1
]}

Gilles, Herve ^{[1
]}

Girard, Sylvain ^{[1
]}

机构：

[1] Univ Caen, Equipe Lasers,Instrumentat Opt & Applicat LIOA, Ctr Rech Ions Mat & Photon,UMR 6252, CEA,CNRS,ENSICAEN, F-14050 Caen, France

来源：

OPTICS LETTERS | 2008年 / 33卷 / 23期

关键词：

D O I：

10.1364/OL.33.002746

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe an all-fiberized coherent detection system at 1.55 mu m using heterodyne self-mixing modulation in a distributed-feedback fiber laser. Frequency shifting of the optical feedback is based on serrodyne phase modulation with an integrated electro-optic modulator, which is a significant advance in the simplification of the self-mixing detection scheme for class B lasers. Accurate measurement of the optical phase difference between the laser electric field and the backscattered electric field demonstrates nanometric displacement detection on noncooperative targets. (C) 2008 Optical Society of America

引用

页码：2746 / 2748

页数：3

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