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What is Nonlinear THz Response in Bilayer Graphene about?

This document presents a study on the nonlinear response of biased bilayer graphene (BBLG) at terahertz frequencies using a density-matrix formalism and a tight-binding model. The findings indicate that undoped BBLG exhibits a third harmonic amplitude that is significantly larger than that of doped BBLG, with the amplitude decreasing as the gap size increases. The research highlights the unique optical properties of BBLG, particularly in relation to third-harmonic generation and the effects of external bias

Author

Omar López Rubio

Language

EN