Laser frequency modulation noise measurement by recirculating delayed self-heterodyne method

被引：39
|
作者：
Tsuchida, Hidemi [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Photon Res Inst, Tsukuba, Ibaraki 3058568, Japan
来源：
OPTICS LETTERS | 2011年 / 36卷 / 05期
关键词：
SEMICONDUCTOR-LASER; LINEWIDTH; RESOLUTION;
D O I：
10.1364/OL.36.000681
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
I propose and demonstrate the use of the recirculating delayed self-heterodyne (DSH) method for measuring FM noise power spectral densities (PSDs), which are the most fundamental measure characterizing the spectral purity of laser sources. By analyzing the DSH beat signals with 1, 10, and 160km delays, the FM noise PSD of a narrow-linewidth fiber laser is evaluated for Fourier frequency range between 10 Hz and 100 kHz, which exhibits flicker noise as the dominant contribution. (C) 2011 Optical Society of America
引用
收藏
页码：681 / 683
页数：3
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