Whispering-Gallery-Mode Resonator-Based Hybrid Cavity for Mode Stabilization of a Fiber Laser

Whispering-Gallery-Mode Resonator-Based Hybrid Cavity for Mode Stabilization of a Fiber Laser

The performances of a fiber laser stabilized by a whispering-gallery-mode(WGM) resonator depends heavily on the coupling of the resonator and fiber system, and is labile due to the lasing mode competitions among excitable WGMs. Here, we propose a hybrid cavity where a linear fiber cavity is coupled...

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Bibliographic Details
Main Authors: Cong Guang Wen, Bingliang Liu, Jia qiu, Huiying Xu, Beier Hu, Kaijun Che, Zhiping Cai
Format: Article
Language:English
Published: IEEE 2021-01-01
Series:IEEE Photonics Journal
Subjects:
WGM resonator
Fiber laser
Coupled cavities
Online Access:https://ieeexplore.ieee.org/document/9354975/
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Summary:The performances of a fiber laser stabilized by a whispering-gallery-mode(WGM) resonator depends heavily on the coupling of the resonator and fiber system, and is labile due to the lasing mode competitions among excitable WGMs. Here, we propose a hybrid cavity where a linear fiber cavity is coupled by a WGM resonator for dual stabilizations of the laser mode, and experimentally demonstrate single-mode lasing emission with stable and high signal to noise ratio (up to 61 dB), narrow linewidth (low to ∼5 kHz) operations. By adjusting the coupling of the linear fiber cavity and the WGM resonator, the fiber laser can operate in two- to four- mode lasing without mode hopping as well.
ISSN:1943-0655

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