基于光子晶体缺陷模的多重非互易传输

IF 1.1 4区物理与天体物理 Q4 NANOSCIENCE & NANOTECHNOLOGY

Journal of Nanophotonics Pub Date : 2023-11-07 DOI:10.1117/1.jnp.17.046002

Yu Shen, Xiaomeng Zhang, Guanxia Yu, Xin Chen, Haodong Wang, Guangyao Yuan

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引用次数: 0

摘要

设计了一种由两个对称部件和缺陷层组成的一维多层结构，研究了复合结构中磁光层对称分布、磁场相反的多重非互易传输特性。基于传递矩阵法得到了系统的传输系数和能带图。数值结果表明，在一定带隙内存在三对不同模式的非互易色散曲线。讨论了缺陷层厚度和入射角对非倒易频率的影响。多重非互易传输在光学隔离器和光学谐振器中也有潜在的用途。

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Multiple nonreciprocal transmission based on defect modes of photonic crystals

A one-dimensional multilayer structure consisting of two symmetric parts with defect layers is designed, and properties of the multiple nonreciprocal transmission are investigated due to symmetrically distributed magneto-optic layers with opposite magnetic fields in composite structures. The transmission coefficient and energy band diagram of the system are obtained based on transfer matrix method. The numerical results show that there are three pairs of nonreciprocal dispersive curves with different modes in a certain bandgap. The influence of the thickness of defect layer and incident angle on nonreciprocal frequencies is also discussed. The multiple nonreciprocal transmission could in turn be potentially useful in optical isolators and optical resonators.

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来源期刊

Journal of Nanophotonics 工程技术-光学

CiteScore

2.60

自引率

6.70%

发文量

审稿时长

3 months

期刊介绍： The Journal of Nanophotonics publishes peer-reviewed papers focusing on the fabrication and application of nanostructures that facilitate the generation, propagation, manipulation, and detection of light from the infrared to the ultraviolet regimes.