Phase study of the generated surface plasmon waves in light transmission through a subwavelength aperture

Mahdieh Hashemi; Sanshui Xiao; Mahmood H. Farzad

doi:10.1117/1.JNP.8.083094

14 February 2014 Phase study of the generated surface plasmon waves in light transmission through a subwavelength aperture

Mahdieh Hashemi, Sanshui Xiao, Mahmood H. Farzad

Author Affiliations +

Journal of Nanophotonics, Vol. 8, Issue 1, 083094 (February 2014). https://doi.org/10.1117/1.JNP.8.083094

Abstract

Interference of surface plasmon (SP) waves plays a key role in light transmission through a subwavelength aperture surrounded by groove structures. In order to characterize interference of the hole and groove-generated SP waves, their phase information was carefully investigated using finite difference time domain simulations. In a structure with only one groove, constructive interference of the generated SP waves will enhance transmitted light by a factor of 5.4 compared with that of a single hole. Increasing the groove number to 3 in the design, which supports constructive interference of SP waves, will enhance the transmission coefficient to 10.5 times that for the single-hole transmission coefficient.

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Mahdieh Hashemi, Sanshui Xiao, and Mahmood H. Farzad "Phase study of the generated surface plasmon waves in light transmission through a subwavelength aperture," Journal of Nanophotonics 8(1), 083094 (14 February 2014). https://doi.org/10.1117/1.JNP.8.083094

Published: 14 February 2014

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