Enhanced OAM Mode Purity in Ring-core Optical Fiber with Graded-index Profile

Yuanpeng Liu,Yingning Wang,Wenpu Geng,Wenqian Zhao,Zhongqi Pan,Yang Yue

Optica Advanced Photonics Congress 2022（2022）

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摘要

OAM mode purity in graded-index ring-core fiber with different shape factors is investigated. The purity of OAM1,1 is significantly increased from 86.48% to 94.43% by changing the ring-core fiber from step-index to parabolic graded-index profile.

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关键词

oam mode purity,fiber,ring-core,graded-index

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