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Conferences > OFC > 2020 > W4B > W4B.5

Weakly-Coupled Few-Mode Gain-Flattening Filter Using Long-Period Fiber Grating in Double-Cladding FMF

Jinglong Zhu, Yu Yang, Junchi Jia, Jin He, Zhangyuan Chen, Yongqi He, and Juhao Li

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Abstract

A weakly-coupled few-mode gain-flattening filter (FM-GFF) based on long-period fiber gratings (LPFGs) in double-cladding few-mode fiber is proposed. Utilizing the FM-GFF, we demonstrate that the gain spectra of each core mode can be independently flattened.

© 2020 The Author(s)

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