Frequency noise reduction in erbium-doped fiber distributed-feedback lasers by electronic feedback

被引：66
|
作者：
Cranch, GA
机构：
[1] SFA Inc, Largo, MD 20774 USA
[2] USN, Res Lab, Washington, DC 20375 USA
来源：
OPTICS LETTERS | 2002年 / 27卷 / 13期
关键词：
D O I：
10.1364/OL.27.001114
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel technique for suppressing frequency noise in an erbium-doped fiber distributed-feedback laser incorporated into a master-oscillator-power-amplifier configuration by an electronic feedback technique is presented. The frequency noise is suppressed by locking of the laser emission to a fiber interferometer. The frequency noise spectral density of the laser is reduced by as much as 20 dB over the frequency range 1 Hz-10 kHz to 1.5 Hz/Hz(1/2) = 25% at 1 kHz with a relative intensity noise spectral density below -120 dB/Hz over the frequency range 10 Hz-1 kHz. These lasers will have applications as sources for fiber-optic interferometry, high-resolution spectroscopy, and high-bandwidth communications. (C) 2002 Optical Society of America.
引用
收藏
页码：1114 / 1116
页数：3
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