Nondegenerate ultrafast mid-infrared pump-probe spectroscopy is used to study multilayer epitaxial graphene. By tuning the probe wavelength, we can determine the doping profile of the layers.
© 2009 The Optical Society
D. Sun, C. J. Divin, C. Berger, P. First, W. de Heer, and T. B. Norris, "Ultrafast Spectroscopy of Multilayer Epitaxial Graphene," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper JTuA3.
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