Tunable subwavelength photonic lattices and solitons in periodically patterned graphene monolayer

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Research units

  • Shanghai Jiao Tong University

Abstract

We study linear and nonlinear mode properties in a periodically patterned graphene sheet. We demonstrate that a subwavelength one-dimensional photonic lattice can be defined across the graphene monolayer, with its modulation depth and correspondingly the associated photonic band structures being controlled rapidly, by an external gate voltage. We find the existences of graphene lattice solitons at the deep-subwavelength scales in both dimensions, thanks to the combination of graphene intrinsic self-focusing nonlinearity and the graphene plasmonic confinement effects.

Details

Original languageEnglish
Pages (from-to)30108-30117
Number of pages10
JournalOptics Express
Volume22
Issue number24
Publication statusPublished - 1 Dec 2014
MoE publication typeA1 Journal article-refereed

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