Ultralow-frequency-noise stabilization of a laser by locking to an optical fiber-delay line

被引：148

作者：

Kefelian, Fabien ^{[1
,2
]}

Jiang, Haifeng ^{[3
,4
]}

Lemonde, Pierre ^{[3
,4
]}

Santarelli, Giorgio ^{[3
,4
]}

机构：

[1] Univ Paris 13, Phys Lasers Lab, F-93430 Villetaneuse, France

[2] CNRS, F-93430 Villetaneuse, France

[3] CNRS, F-75014 Paris, France

[4] Observ Paris, Lab Natl Metrol & Essais Syst References Temps Es, F-75014 Paris, France

来源：

OPTICS LETTERS | 2009年 / 34卷 / 07期

关键词：

PHASE; TEMPERATURE;

D O I：

10.1364/OL.34.000914

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the frequency stabilization of an erbium-doped fiber distributed-feedback laser using an all-fiber-based Michelson interferometer of large arm imbalance. The interferometer uses a 1 km SMF-28 optical fiber spool and an acousto-optic modulator allowing heterodyne detection. The frequency-noise power spectral density is reduced by more than 40 dB for Fourier frequencies ranging from 1 Hz to 10 kHz, corresponding to a level well below 1 Hz(2)/Hz over the entire range; it reaches 10(-2) Hz(2)/Hz at 1 kHz. Between 40 Hz and 30 kHz, the frequency noise is shown to be comparable to the one obtained by Pound-Drever-Hall locking to a high-finesse Fabry-Perot cavity. Locking to a fiber delay line could consequently represent a reliable, simple, and compact alternative to cavity stabilization for short-term linewidth reduction. (C) 2009 Optical Society of America

引用

页码：914 / 916

页数：3

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