Laser linewidth measurement based on long and short delay fiber combination

被引：19

作者：

Xue, Mingyuan ^{[1
]}

Zhao, Juanning ^{[1
]}

机构：

[1] Shaanxi Univ Sci & Technol, Xian 710119, Peoples R China

来源：

OPTICS EXPRESS | 2021年 / 29卷 / 17期

基金：

中国国家自然科学基金;

关键词：

FREQUENCY;

D O I：

10.1364/OE.428787

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a numerical calculation with iterative algorithm method for accurately measuring laser linewidth. In this new method, the self-heterodyne spectrum of long delay fiber is calculated as the initial value, and the short delay self-heterodyne spectrum is demodulated with iterative algorithm to realize the accurate measurement of laser linewidth. The method can eliminate the influence of 1/f noise on the measurement spectrum broadening, so it provides a powerful way tbr accurate measurement of narrow linewidth. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：27118 / 27126

页数：9

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