Nonlinear graphene metamaterial

Andrey E. Nikolaenko*, Nikitas Papasimakis, Evangelos Atmatzakis, Zhiqiang Luo, Ze Xiang Shen, Francesco De Angelis, Stuart A. Boden, Enzo Di Fabrizio, Nikolay I. Zheludev

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

92 Scopus citations

Abstract

We demonstrate that the broadband nonlinear optical response of graphene can be resonantly enhanced by more than an order of magnitude through hybridization with a plasmonic metamaterial, while retaining an ultrafast nonlinear response time of ∼ 1 ps. Transmission modulation close to ∼ 1 % is seen at a pump fluence of ∼ 30 μJ/cm 2 at the wavelength of ∼ 1. 6 μm. This approach allows to engineer and enhance graphene's nonlinearity within a broad wavelength range enabling applications in optical switching, mode-locking, and pulse shaping.

Original languageEnglish (US)
Article number181109
JournalApplied Physics Letters
Volume100
Issue number18
DOIs
StatePublished - Apr 30 2012

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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