Polarization-Controlled Topological Charge Inversion of Optical Vortices in Multielliptical Optical Fibers

被引：2

作者：

Alexeyev, C. N. ^{[1
]}

Barshak, E. V. ^{[1
]}

Vikulin, D. V. ^{[1
]}

Lapin, B. P. ^{[1
]}

Yavorsky, M. A. ^{[1
]}

机构：

[1] VI Vernadsky Crimean Fed Univ, Simferopol 295007, Crimea, Russia

来源：

OPTICS AND SPECTROSCOPY | 2018年 / 124卷 / 04期

基金：

俄罗斯基础研究基金会;

关键词：

ORBITAL ANGULAR-MOMENTUM; ATMOSPHERIC-TURBULENCE; WAVE-GUIDE; LIGHT; PROPAGATION; STATES;

D O I：

10.1134/S0030400X18040021

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Analytical expressions for higher-order modes with azimuthal number |delta|>= 2and their propagation constants for multielliptical optical fibers exhibiting a torsional mechanical stress are obtained in the vicinity of the resonance twist-pitch values. It is demonstrated that the resonance modes represent a superposition of two optical vortices with identical circular polarization and opposite signs of the topological charge. The effect of topological-charge inversion of the output optical vortex controlled by a change of sign of the circular polarization of the input beam is predicted. This effect paves the way to creating a logical CNOT element based on multielliptical fibers.

引用

页码：560 / 566

页数：7

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