Dual-band unidirectional reflectionless phenomenon based on high-order plasmon resonators in plasmonic waveguide system

被引：3

作者：

Yu, Lingxue ^{[1
]}

Zhang, Ying Qiao ^{[1
]}

Jin, Xing Ri ^{[1
]}

Lee, Young Pak ^{[2
,3
]}

机构：

[1] Yanbian Univ, Coll Sci, Dept Phys, Yanji 133002, Jilin, Peoples R China

[2] Hanyang Univ, Quantum Photon Sci Res Ctr, Seoul 133791, South Korea

[3] Hanyang Univ, Dept Phys, Seoul 133791, South Korea

来源：

JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS | 2022年 / 31卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Unidirectional reflectionlessness; exceptional point; plasmonic waveguide; plasmon resonator; ELECTROMAGNETICALLY INDUCED TRANSPARENCY; PARITY-TIME SYMMETRY; PROPAGATION; ABSORPTION; LASER;

D O I：

10.1142/S0218863523500029

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate the dual-band unidirectional reflectionless phenomenon and near perfect absorption using high-order plasmon resonators at exceptional points based on near-field coupling in plasmonic waveguide system. The system consists of two high-order plasmon resonators end-coupled to a metal-insulator-metal plasmonic waveguide. The reflection for forward (backward) direction is close to 0.85 (0.74), while for backward (forward) direction is approximate to 0 (0) at a frequency of 199.8 THz (206.1 THz), and the quality factor of absorption spectrum is about 257.6 (217.2) at 206.1 THz (199.8 THz) for forward (backward) direction.

引用

页数：9

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