14 February 2014 Phase study of the generated surface plasmon waves in light transmission through a subwavelength aperture
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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.
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
Mahdieh Hashemi, Mahdieh Hashemi, Sanshui Xiao, Sanshui Xiao, Mahmood H. Farzad, 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 . Submission:
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