Linewidth limit of a single longitude-mode fiber laser with different cavity length

Limit of a single-longitudinal-mode erbium-doped fiber laser is experimentally demonstrated. With the increase of cavity length, we obtain an SLM EDFL with an ultra-high OSNR of 76 dB and an ultra-narrow linewidth of 365 Hz.

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Bibliographic Details
Published in2021 Optical Fiber Communications Conference and Exhibition (OFC) pp. 1 - 3
Main Authors Shang, Jianming, Li, Siqiao, Wang, ZhengKang, Qiao, Yaojun, Yu, Song
Format Conference Proceeding
LanguageEnglish
Published OSA 01.06.2021
Subjects
Erbium-doped fiber lasers
Laser stability
Optical fiber amplifiers
Optical fiber communication
Optical noise
Ring lasers
Structural rings
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Summary:Limit of a single-longitudinal-mode erbium-doped fiber laser is experimentally demonstrated. With the increase of cavity length, we obtain an SLM EDFL with an ultra-high OSNR of 76 dB and an ultra-narrow linewidth of 365 Hz.