Efficient coupling and transmission of cylindrical vector beams in a ring-core fiber

Zhentian Wu; Ting Lei; Xiaocong Yuan

doi:10.1117/12.2320187

19 September 2018 Efficient coupling and transmission of cylindrical vector beams in a ring-core fiber

Zhentian Wu, Ting Lei, Xiaocong Yuan

Proceedings Volume 10730, Nanoengineering: Fabrication, Properties, Optics, and Devices XV; 107301A (2018) https://doi.org/10.1117/12.2320187
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States

Abstract

The Ring-Core fiber (RCF) which can support several cylindrical vector beam (CVB) modes is desirable for future ultrahigh capacity space-division multiplexing (SDM). However, the size differs between adjacent CVB modes which result in mismatch in coupling. In this study, we design a simple and stable scheme to generate PPVs with adjustable orders and beam sizes. By changing the holograms encoded on the SLM, different sides PPVs of the same order can be obtained. We demonstrate PPVs range from +1 order to +9 order. Furthermore, with the employment of 25× object glass we couple the PPVs into graded-index Ring-Core fiber (GI-RCF) supporting 3 CVB mode-groups (i.e. HE21, HE31 and HE41) at 1550 nm wavelength. We also demonstrate the mode-groups (HE31 and HE41) transmitting over a 3m GI-RCF, respectively.

Citation Download Citation

Zhentian Wu, Ting Lei, and Xiaocong Yuan "Efficient coupling and transmission of cylindrical vector beams in a ring-core fiber", Proc. SPIE 10730, Nanoengineering: Fabrication, Properties, Optics, and Devices XV, 107301A (19 September 2018); https://doi.org/10.1117/12.2320187

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