Suppressing Transverse Mode Instability in Multimode Fiber Amplifiers

Chun-Wei Chen; Kabish Wisal; Yaniv Eliezer; A. Douglas Stone; Hui Cao

doi:10.1364/CLEO_SI.2022.STu4P.4

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper STu4P.4
•https://doi.org/10.1364/CLEO_SI.2022.STu4P.4

Suppressing Transverse Mode Instability in Multimode Fiber Amplifiers

Chun-Wei Chen, Kabish Wisal, Yaniv Eliezer, A. Douglas Stone, and Hui Cao

CLEO: Science and Innovations 2022

San Jose, California United States
15–20 May 2022
ISBN: 978-1-957171-05-0

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Multimode Fibers and Applications - I (STu4P)

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C. Chen, K. Wisal, Y. Eliezer, A. D. Stone, and H. Cao, "Suppressing Transverse Mode Instability in Multimode Fiber Amplifiers," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper STu4P.4.

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Abstract

We demonstrate numerically and theoretically that the transverse-mode stability for a high-power fiber amplifier is greatly increased via simultaneous excitation of many high-order modes, while the amplified light maintains spatially coherent and high beam quality.

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