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HE JIANLI1,*
Design of evanescent-wave-coupled (EWC) multicore fiber laser based on finite element method was presented. By optimizing design parameters, in-phase mode becomes the unique supermode and therefore exhibits much high coupling strength of about 80%. Fundamental LP01 mode with a large effective area of 13063 µm2 , relatively good beam quality factor of 2.64, and small confinement coefficient of 0.003 dB/km corresponding to EWC 19-core fiber, shows much better characteristics than other fibers. Results demonstrate that this structure is proposed to be a potential system for high power fiber laser.
Multicore fiber, Evanescent-wave-coupled (EWC), Supermode.
HE JIANLI, The design of multicore fiber for high power fiber lasers development, Optoelectronics and Advanced Materials - Rapid Communications, 15, 1-2, January-February 2021, pp.11-16 (2021).
Submitted at: May 19, 2019
Accepted at: Feb. 12, 2021
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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