Tunable Unidirectivity of Metal-Dielectric-Metal Plasmonic Nanoantennas With PT-Symmetric Potentials

Parity-time (PT) symmetric photonic systems have attracted much attention due to their intriguing properties and asymmetric behaviors. In this paper, we propose a plasmonic nanoantenna with PT-symmetric potential for unidirectional scattering functionality. The studied plasmonic nanoantenna is compr...

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Bibliographic Details
Main Authors: Chaowei Xu, Xiaoming Zhang, Kaiyang Cheng, Xiaobing Shang, Quan Li, Zeyong Wei, Chao Wu, Hongqiang Li
Format: Article
Language:English
Published: Frontiers Media S.A. 2019-10-01
Series:Frontiers in Physics
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fphy.2019.00161/full