Analysis of Localized Modes in Disordered Optical Waveguides Mediated by Transverse Anderson Localization

被引：0

作者：

Niu, Jiangfeng ^{[1
]}

Du, Liuge ^{[1
]}

Chi, Jiewen ^{[1
]}

Zhang, Cong ^{[1
]}

Li, Jianwei ^{[1
]}

Sun, Chonglei ^{[1
]}

Zhao, Jia ^{[1
]}

机构：

[1] Shandong Univ, Sch Informat Sci & Engn, Qingdao 266237, Peoples R China

来源：

IEEE PHOTONICS JOURNAL | 2022年 / 14卷 / 06期

关键词：

Transverse anderson localization; localization length; localized modes; fill-fraction; PERFECTLY MATCHED LAYER; BEAM-PROPAGATION; TRANSPORT; IMPACT; LIGHT;

D O I：

10.1109/JPHOT.2022.3225837

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：

Disordered waveguides mediated by transverse Anderson localization (TAL) can be used as mode division multiplexing system. The whole cross-section of the disordered waveguides is covered by all localized modes, which function as independent space channels. The localized modes are independent of the boundary and external excitation. The numerical results reveal that the average width tends to be steady in one particular realization of the disordered waveguide with a sufficient number of localized modes. In this paper, we proposed that localization length can be measured by the average width of localized modes. Besides, we explore the impact of the disordered waveguide design parameters, such as refractive index contrast, fill-fraction, and feature size, on the average width of localized modes.

引用

页数：5

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