Title

Nonlinear response of topological insulators in the terahertz regime

RIS ID

75374

Publication Details

Chen, Q., Wang, X., Lewis, R. A. & Zhang, C. (2012). Nonlinear response of topological insulators in the terahertz regime. International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz

Abstract

We report that the surface states of Bi2Se3 exhibit strong nonlinear optical responses in the terahertz regime. The third order nonlinear optical conductance can be observed by applying a moderate electric field. The thermal influence on nonlinear optical responses of the surface states of Bi2Se3 is also studied over different temperature and frequency ranges. 2012 IEEE.

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Link to publisher version (DOI)

http://dx.doi.org/10.1109/IRMMW-THz.2012.6380345