Nonlinear response of topological insulators in the terahertz regime

Authors

Qinjun Chen, University of WollongongFollow
Xiaolin Wang, University of WollongongFollow
R A. Lewis, University of WollongongFollow
Chao Zhang, University of WollongongFollow

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.