Universal method to describe multiple localized modes in photonic crystal heterojunction

被引：0

作者：

Chen, Shu-Jie ^{[1
]}

Zhao, Li-Ming ^{[1
]}

Zhou, Yun-Song ^{[1
]}

Wei, Gong-Min ^{[1
]}

机构：

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

来源：

MODERN PHYSICS LETTERS B | 2021年 / 35卷 / 21期

基金：

中国国家自然科学基金;

关键词：

Photonic crystal heterojuction; interface modes; Dirac point; DEFECT MODES; SPONTANEOUS-EMISSION;

D O I：

10.1142/S0217984921503656

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A general method is proposed to describe the energy levels of the interface states in one-dimensional photonic crystal (PC) heterojunction ([(AB)(m)(CD)(m)](n)) containing dispersive or non-dispersion materials. We found that the finite energy levels of the interface states for the finite configuration can be described totally by the dispersion relation of the PC with a periodic unit [(AB)(m)(CD)(m)]. It is further found that this method is also applicable for the case of defect modes. We believe our method can be used to guide the practical application.

引用

页数：9

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