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Terahertz multi-band unidirectional reflectionless phenomenon in a MIM plasmonic waveguide system based on near-field coupling
Journal of Nonlinear Optical Physics & Materials ( IF 2.9 ) Pub Date : 2019-04-24 , DOI: 10.1142/s0218863519500085
Tianyi Dai 1 , Fei Zhao 1 , Cong Zhang 1 , Xing Ri Jin 1 , Ying Qiao Zhang 1 , Chengshou An 1 , Young Pak Lee 2
Affiliation  

Dual-band unidirectional reflectionlessness is investigated in a system consisting of three stub resonators side-coupled to a metal-insulator-metal plasmonic waveguide based on near-field coupling in terahertz domain. Reflectivities of [Formula: see text] and [Formula: see text], respectively, at two exceptional points 4.11[Formula: see text]THz and 4.695[Formula: see text]THz are obtained for forward (backward) direction. More than that multi-band unidirectional reflectionlessness is demonstrated based on multi-stub resonators side-coupled to an MIM plasmonic waveguide.

中文翻译:

基于近场耦合的MIM等离子体波导系统中的太赫兹多波段单向无反射现象

基于太赫兹域中的近场耦合,在由三个短截线谐振器组成的系统中研究了双波段单向无反射性,该系统侧向耦合到金属-绝缘体-金属等离子体波导。[公式:见文]和[公式:见文]分别在两个异常点4.11[公式:见文]THz和4.695[公式:见文]THz的反射率获得前(后)向。不仅如此,多波段单向无反射性还基于侧面耦合到 MIM 等离子体波导的多短截线谐振器来证明。
更新日期:2019-04-24
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