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Conferences > CLEO > 2008 > CFU > CFU7
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper CFU7

Probing Ultrafast Dynamics of Electrons and Holes in Graphene

Jahan M. Dawlaty, Shriram Shivaraman, Mvs Chandrashekhar, Farhan Rana, and Michael G. Spencer

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Abstract

Using pump-probe techniques, we study the ultrafast relaxation dynamics of photoexcited carriers in graphene. We find an initial fast relaxation transient (70-120 fs), followed by a slower relaxation process (0.4-1.7 ps). We relate the measured time scales to carrier-carrier and carrier- phonon intraband and interband scattering processes and also to crystal disorder in the material.

© 2008 Optical Society of America

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