Pump-induced terahertz anisotropy in bilayer graphene
Angelika Seidl,
Roozbeh Anvari,
Marc M. Dignam
et al.
Abstract:We investigate the intraband nonlinear dynamics in doped bilayer graphene in the presence of strong, linearly-polarized, in-plane terahertz fields. We perform degenerate pump-probe experiments with 3.4 THz fields on doped bilayer graphene at low temperature (12 K) and find that when the pump is co-polarized with the probe beam, the differential pump-probe signal is almost double that found in the cross-polarized case.We show that the origin of this pump-induced anisotropy is the difference in the average elect… Show more
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