4.6 Article

Making transient optical reflection of graphene polarization dependent

Journal

OPTICS EXPRESS
Volume 23, Issue 19, Pages 24177-24188

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.23.024177

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Funding

  1. Chinese National Key Basic Research Special Fund [2011CB922003]
  2. National Natural Science Foundation of China [11304166, 11174159, 11374164, 11504265, 11404075]
  3. Fundamental Research Funds for the Central Universities [65145005]
  4. International Science and Technology Cooperation Program of China [2013DFA51430]

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The polarization dependence of transient optical reflection, induced by nonequilibrium carriers isotropically distributed in momentum space, of graphene on substrate is experimentally and theoretically investigated. It is found that this transient optical reflection could be made greatly polarization dependent by using oblique incidence for light, and the characteristic of this polarization dependence could be flexibly altered with incident angle and incident direction (from graphene to substrate, or from substrate to graphene). Our results suggest that through polarization of incident beam is an efficient way of manipulating graphene transient optical reflection. (C) 2015 Optical Society of America

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