Unidirectional Coupling of Surface Plasmon Polaritons by a Single Slit on a Metal Substrate

Haifeng Hu, Xie Zeng, Yong Zhao, Jin Li, Haomin Song, Guofeng Song, Yun Xu, Qiaoqiang Gan

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


In this letter, a theoretical model is proposed to calculate the coupling efficiency of surface plasmon polaritons (SPPs) by a single slit on the metal film. In contrast to previous work developed for normal incident light only, TM0 and TM1 modes of the slit are incorporated in the model, which makes it applicable for the case of oblique incidence. Numerical simulations confirm that this two-mode model can accurately predict the coupling efficiency of SPPs by slits with subwavelength widths (
Original languageEnglish (US)
Pages (from-to)2395-2398
Number of pages4
JournalIEEE Photonics Technology Letters
Issue number21
StatePublished - Nov 1 2016
Externally publishedYes

Bibliographical note

Generated from Scopus record by KAUST IRTS on 2022-09-13

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


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