Structured light transformations and orbital angular momentum control in a three-coil optical snake
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Published:2022-10
Issue:5
Volume:46
Page:
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ISSN:0134-2452
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Container-title:Computer Optics
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language:
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Short-container-title:Computer Optics
Author:
Alexeyev C.N., ,Aliyeva S.S.,Barshak E.V.,Lapin B.P.,Yavorsrky M.A., , , ,
Abstract
In this paper, we studied transformations of structured light and its angular momentum in a three-coil optical snake – a coil resonator composed of 3 evanescently uniformly coupled coils of a multimode fiber. We have suggested a fully vectorial theory of normal modes of the 3-coil resona-tor, which takes account of the spin-orbit interaction. On the basis of the analytical expressions for such normal modes and their propagation constants we have studied transmission of some types of structured light beams – optical vortices, Hermite-Gaussian-like and Laguerre-Gaussian beams – through such a system. We have shown the possibility of a super-efficient parametric control over the topological charge, orbital and spin angular momenta of the outcoming optical field by this system. We have theoretically demonstrated implementation of logic X and Y Pauli gates for light beams carrying orbital angular momentum on the basis of such a 3-coil resonator.
Publisher
Samara National Research University
Subject
Electrical and Electronic Engineering,Computer Science Applications,Atomic and Molecular Physics, and Optics
Cited by
1 articles.
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1. Stacked ring resonators for optical vortices;Journal of the Optical Society of America B;2023-11-08