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      Nonlinear graphene metamaterial

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      32. Nonlinear graphene metamaterial.pdf (1.095Mb)
      Author
      Nikolaenko, Andrey E.
      Papasimakis, Nikitas
      Atmatzakis, Evangelos
      Luo, Zhiqiang
      Shen, Zexiang
      De Angelis, Francesco
      Boden, Stuart A.
      Fabrizio, Enzo Di
      Zheludev, Nikolay I.
      Date of Issue
      2012
      School
      School of Physical and Mathematical Sciences
      Version
      Published version
      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/cm2 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.
      Type
      Journal Article
      Series/Journal Title
      Applied physics letters
      Rights
      © 2012 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: [http://dx.doi.org/10.1063/1.4711044]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
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      http://dx.doi.org/10.1063/1.4711044
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