Reducing the cross-talk among different orbital angular momentum modes in turbulent atmosphere by using a focusing mirror | Zendy

Mengyao Zhou | Zendy; Yunqin Zhou | Zendy; Gaofeng Wu | Zendy; Yangjian Cai | Zendy

Open Access

Reducing the cross-talk among different orbital angular momentum modes in turbulent atmosphere by using a focusing mirror

Author(s) -

Mengyao Zhou,

Yunqin Zhou,

Gaofeng Wu,

Yangjian Cai

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.010280

Subject(s) - crosstalk , angular momentum , physics , optics , free space optical communication , optical communication , orbital angular momentum of light , atmospheric turbulence , free space , orbital angular momentum multiplexing , atmosphere (unit) , optical vortex , turbulence , computational physics , total angular momentum quantum number , classical mechanics , meteorology

The cross-talk among different orbital angular momentum (OAM) modes induced by the turbulent atmosphere is a challenging effect commonly occurring in OAM-based free-space optical (FSO) communication. The aim of this study is to propose a simple method to reduce the crosstalk and demonstrate its effect by analytical derivation and numerical simulation. It is found that the crosstalk is largely reduced by using a focusing mirror. Our results will be useful in free-space optical communication.

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