First demonstration of higher-order-mode generation with cascading low-order mode selective couplers

Mengdi Zhang; Jianxiang Wen; Yan Wu; Wei Chen; Xiaobei Zhang; Fufei Pang; Tingyun Wang

doi:10.1117/12.2650084

14 October 2022 First demonstration of higher-order-mode generation with cascading low-order mode selective couplers

Mengdi Zhang, Jianxiang Wen, Yan Wu, Wei Chen, Xiaobei Zhang, Fufei Pang, Tingyun Wang

Proceedings Volume 12343, 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022); 1234315 (2022) https://doi.org/10.1117/12.2650084
Event: 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022), 2022, Qingdao, China

Abstract

We propose a generation method of higher-order orbital angular momentum (OAM) based on the cascade of two fabricated lower-mode selective couplers (MSCs) with a home-made four-mode fiber (4MF) and a ring-core fiber (RCF). This all-fiber OAM (also called optical vortex beam, which has a spiral phase wavefront) generation technology has the advantages of simple structure and low cost, which is suitable for the field of vortex-optics fiber communication.

Citation Download Citation

Mengdi Zhang, Jianxiang Wen, Yan Wu, Wei Chen, Xiaobei Zhang, Fufei Pang, and Tingyun Wang "First demonstration of higher-order-mode generation with cascading low-order mode selective couplers", Proc. SPIE 12343, 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022), 1234315 (14 October 2022); https://doi.org/10.1117/12.2650084

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