Propagation properties of cosh-Airy beams in an inhomogeneous medium with Gaussian PT-symmetric potentials

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成果类型：

期刊论文

作者：

Deng, Yangbao;Wen, Bing;Chen, Liezun;Zhang, Saiwen;Zhang, Guangfu;...

通讯作者：

Yangbao Deng

作者机构：

[Xiong, Cuixiu; Leng, Xiaoling; Zhang, Guangfu; Zhang, Saiwen; Chen, Liezun; Wen, Bing; Deng, Yangbao] Hunan City Univ, Coll Informat & Elect Engn, All Solid State Energy Storage Mat & Devices Key, Yiyang 413000, Peoples R China.

[Wen, Bing] Hunan Univ, Sch Phys & Elect, Key Lab Micro Nanooptoelect Devices, Minist Educ, Changsha 410082, Hunan, Peoples R China.

通讯机构：

[Yangbao Deng] A

All-Solid-State Energy Storage Materials and Devices Key Laboratory of Hunan Province, College of Information and Electronic Engineering, Hunan City University, Yiyang 413000, China

语种：

英文

关键词：

cosh-Airy beams;Gaussian PT-symmetric potential;trapped solitons;propagation properties

期刊：

Open Physics

ISSN：

2391-5471

年：

2022

卷：

期：

页码：

1031-1040

DOI：

10.1515/phys-2022-0202

基金类别：

This work was partially supported by the National Natural Science Foundation of China (No. 11947088), the Hunan Provincial Natural Science Foundation of China (No. 2022JJ50276 and 2021JJ40020), and the Scientific Research Fund of Hunan Provincial Education Department (No. 21A0499, 20B107, and 19B098).

机构署名：

本校为第一机构

院系归属：

信息与电子工程学院

摘要：

We numerically investigate and statistically analyze the impact of medium parameters (modulation depth P, modulation factor ω, and gain/loss strength W 0) and beam parameters (truncation coefficient a and distribution factor χ 0) on the propagation characteristics of a cosh-Airy beam in the Gaussian parity-time (PT)-symmetric potential. It is demonstrated that the main lobe of a cosh-Airy beam is captured as a soliton, which varies periodically during propagation. The residual beam self-accelerates along a parabolic trajectory due to the self...

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Propagation properties of cosh-Airy beams in an inhomogeneous medium with Gaussian PT-symmetric potentials

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