Polarization properties of random electromagnetic vortex beam propagating in gradient-index fiber

被引：0

作者：

Zhao, Chungang ^{[1
]}

Yin, Xiaojin ^{[1
]}

Yang, Chen ^{[1
]}

Wang, Jing ^{[1
]}

Li, Jinhong ^{[1
]}

机构：

[1] Taiyuan Univ Sci & Technol, Sch Appl Sci, Taiyuan 030024, Peoples R China

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2023年 / 65卷 / 05期

基金：

中国国家自然科学基金;

关键词：

degree of ellipticity; gradient-index fiber; orientation angle; random electromagnetic Gaussian vortex beam; the spectral degree of polarization; ORBITAL ANGULAR-MOMENTUM; SCHELL-MODEL BEAMS; COHERENCE; LIGHT; SINGULARITIES; EVOLUTION; LASER;

D O I：

10.1002/mop.33126

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We built the cross-spectral density matrix elements analytical expression of random electromagnetic Gaussian vortex (REGV) beam propagating in gradient-index (GRIN) fiber, which is used to study the polarization properties of the beam. The distribution of spectral degree of polarization (SDOP) and state of polarization (SOP) show the same periodicity and symmetry. The distribution law of SDOP and SOP is unchanging with the topological charge m changing and is changed by adjusting the spatial self-correlation length sigma(xx). The research results have guiding significance for the propagation of random electromagnetic vortex beams in optical fibers, which could be considerable value in high-speed and large-capacity optical fiber secure communication.

引用

页码：1054 / 1059

页数：6

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