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      Nonlinear THz conductivity dynamics in P-type CVD-grown graphene.

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          Abstract

          We report strong THz-induced transparency in CVD-grown graphene where 92-96% of the peak-field is transmitted compared to 74% at lower field strength. Time-resolved THz pump/THz probe studies reveal that the absorption recovers in 2-3 ps. The induced transparency is believed to arise from nonlinear pumping of carriers in graphene which suppresses the mobility and consequently the conductivity in a spectral region where the light-matter interaction is particularly strong.

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          Author and article information

          Journal
          J Phys Chem B
          The journal of physical chemistry. B
          1520-5207
          1520-5207
          Dec 12 2013
          : 117
          : 49
          Affiliations
          [1 ] Department of Chemistry, Massachusetts Institute of Technology , Cambridge, Massachusetts, United States.
          Article
          10.1021/jp407548a
          24102144
          8b047c2a-b070-4770-8668-55cbd964b7cf
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