A Polarization-Insensitive Recirculating Delayed Self-Heterodyne Method for Sub-Kilohertz Laser Linewidth Measurement

A polarization-insensitive recirculating delayed self-heterodyne method (PI-RDSHM) is proposed and demonstrated for the precise measurement of sub-kilohertz laser linewidths. By a unique combination of Faraday rotator mirrors (FRMs) in an interferometer, the polarization-induced fading is effectivel...

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Bibliographic Details
Main Authors: Jing Gao, Dongdong Jiao, Xue Deng, Jie Liu, Linbo Zhang, Qi Zang, Xiang Zhang, Tao Liu, Shougang Zhang
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Photonics
Subjects:
Online Access:https://www.mdpi.com/2304-6732/8/5/137