Power output correction model of narrow linewidth ring fiber laser filtered with whispering gallery mode resonator

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外文摘要：A whispering gallery mode resonator[WGMR]filter can narrow laser linewidth while significantly changing the output power characteristics of fiber laser system.It is found that traditional laser output power model is invalid.We report a correction model of a narrow linewidth fiber laser filtered with a WGMR to analyze its power.We believe that the loss of the laser system and the threshold gain increase caused by the WGMR filter lead to the predominate amplified sponta-neous emission during the original laser period.According to that,we assume the correction coefficient is an exponential decay related to the Er-doped fiber length in the large loss situation,and we verify it experimentally.As a result,the correction model is valid for WGMR-filtered fiber laser.

外文关键词：

whispering gallery resonator filternarrow linewidth fiber laserpower output correction model

作者：

王子云、徐在斌、崔继文、谭久彬

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作者单位：

Center of Ultra-precision Optoelectronic Instrument,Harbin Institute of Technology,Harbin 150080,China

Key Laboratory of Ultra-precision Intelligent Instrumentation,Ministry of Industry and Information Technology,Harbin Institute of Technology,Harbin 150080,China

基金：

国家自然科学基金

项目编号：

52075131

出版年：

2024

DOI：

10.3788/COL202422.031401

中国光学快报(英文版)

中国光学学会中国科学院上海光学精密机械研究所

中国光学快报(英文版)

CSTPCD

影响因子：1.305

ISSN：1671-7694

年,卷(期)：2024.22(3)

参考文献量19