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cond-mat.mes-hall2013★ 296 cited
Third harmonic generation in graphene and few-layer graphite films
Nardeep Kumar, Jatinder Kumar, Chris Gerstenkorn +4
We observe optical third harmonic generation from graphene and few-layer graphite flakes produced by exfoliation. The emission scales with the cube of the intensity of the incident…
cond-mat.mes-hall2011★ 136 cited
Spatially resolved femtosecond pump-probe study of topological insulator Bi2Se3
Nardeep Kumar, Brian A. Ruzicka, N. P. Butch +4
Carrier and phonon dynamics in Bi2Se3 crystals are studied by a spatially resolved ultrafast pump-probe technique. Pronounced oscillations in differential reflection are observed w…