Controllable propagation of waveguide mode in multi-channel photonic crystal waveguide

被引：0

作者：

Wang, Pei-Lin ^{[1
]}

Zhao, Li-Ming ^{[1
]}

Zhou, Yun-Song ^{[1
]}

机构：

[1] Capital Normal Univ, Dept Phys, Beijing 100048, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2024年 / 41卷 / 07期

基金：

中国国家自然科学基金;

关键词：

TRANSVERSE SPIN; DESIGN;

D O I：

10.1364/JOSAB.523680

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we introduce a new method to realize the separation of waveguide modes in photonic crystal waveguides by controlling the position and polarization of the dipole sources. Our study shows that the waveguide modes in the transversal channel and longitudinal channel can be manipulated, respectively, by the dipole sources placed within the corresponding channels. Based on this discovery, we may further adjust the dipole sources in the transversal (longitudinal) channel individually and separate the zeroth order and the first order modes to propagate towards the preassigned channels. Compared with the former schemes to realize the mode separation by changing the structure, our method is more intuitive, convenient, and flexible. (c) 2024 Optica Publishing Group

引用

页码：1622 / 1627

页数：6

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