Low noise planar external cavity laser for interferometric fiber optic sensors

被引：22

作者：

Alalusi, Mazin ^{[1
]}

Brasil, Paul ^{[1
]}

Lee, Sanggeon ^{[1
]}

Mols, Peter ^{[1
]}

Stolpner, Lew ^{[1
]}

Mehnert, Axel ^{[1
]}

Li, Steve ^{[1
]}

机构：

[1] Redfern Integrated Opt Inc, Santa Clara, CA 95054 USA

来源：

FIBER OPTIC SENSORS AND APPLICATIONS VI | 2009年 / 7316卷

关键词：

planar external cavity laser; phase noise; linewidth; relative intensity noise; fiber optic sensing; butterfly package; seismic exploration; remote interferometric sensing; NARROW-LINEWIDTH; PHASE NOISE;

D O I：

10.1117/12.828849

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

A 1550 nm DWDM planar external cavity laser (ECL) is demonstrated to provide low phase/frequency noise, narrow linewidth, and low RIN. The cavity includes a semiconductor gain chip and a planar lightwave circuit waveguide with Bragg grating, packaged in a 14- pin butterfly package. This planar ECL laser is designed to operate under vibration and in harsh environmental conditions. The laser shows linewidth = 2.6 kHz, phase/frequency noise comparable with that of long cavity fiber lasers, RIN = - 147dB/Hz at 1kHz, and power = 10mW. Performance is suitable for various high performance fiber optic sensing systems, including interferometric sensing in Oil and Gas, military/security and other applications, currently served mostly by costly and less reliable laser sources.

引用

页数：13

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