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Journal of Nanophotonics

Phase study of the generated surface plasmon waves in light transmission through a subwavelength aperture
Author(s): Mahdieh Hashemi; Sanshui Xiao; Mahmood H. Farzad
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Paper 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.

Paper Details

Date Published: 14 February 2014
PDF: 9 pages
J. Nanophoton. 8(1) 083094 doi: 10.1117/1.JNP.8.083094
Published in: Journal of Nanophotonics Volume 8, Issue 1
Show Author Affiliations
Mahdieh Hashemi, DTU Fotonik (Denmark)
Sanshui Xiao, DTU Fotonik (Denmark)
Mahmood H. Farzad, Shiraz Univ. (Iran, Islamic Republic of)


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