Experimental observation of plasmons in a graphene monolayer resting on a two-dimensional subwavelength silicon grating

Xiaolong Zhu, Wei Yan, Peter Uhd Jepsen, Ole Hansen, N. Asger Mortensen, Sanshui Xiao

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Abstract

We experimentally demonstrate graphene-plasmon polariton excitation in a continuous graphene monolayer resting on a two-dimensional subwavelength silicon grating. The subwavelength silicon grating is fabricated by a nanosphere lithography technique with a self-assembled nanosphere array as a template. Measured transmission spectra illustrate the excitation of graphene-plasmon polaritons, which is further supported by numerical simulations and theoretical prediction of plasmon-band diagrams. Our grating-assisted coupling to graphene-plasmon polaritons forms an important platform for graphene-based opto-electronics applications.
Original languageEnglish
JournalApplied Physics Letters
Volume102
Issue number13
Pages (from-to)131101
Number of pages4
ISSN0003-6951
DOIs
Publication statusPublished - 2013

Bibliographical note

Copyright 2013 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in
Applied Physics Letters / Volume 102 / Issue 13 and may be found at http://apl.aip.org/resource/1/applab/v102/i13/p131101_s1.

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