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Conferences > FiO > 2017 > JW3A > JW3A.100

Unidirectional Excitation of Radiative-Loss-Free Surface Plasmon Polaritons in Parity-Time Symmetric Systems

Wei Wang, Lu-Qi Wang, Rui-Dong Xue, Hao-Ling Chen, Rui-Peng Guo, Zhong Huang, Yongmin Liu, and Jing Chen

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Abstract

We investigate unidirectionally surface plasmon polaritons at a flat metal-dielectric interface with a parity-time symmetric modulation on the permittivity of the dielectric medium. We show that the life time and propagation distance of surface plasmon polaritons can be significantly improved.

© 2017 Optical Society of America

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