The impact of nitrogen doping on the linear and nonlinear terahertz response of graphene
Roozbeh Anvari,
Eugene Zaremba,
Marc M. Dignam
Abstract:It is well known that impurities play a central role in the linear and nonlinear response of graphene at optical and terahertz frequencies. In this work, we calculate the bands and intraband dipole connection elements for nitrogen-doped monolayer graphene using a density functional tight binding approach. Employing these results, we calculate the linear and nonlinear response of the doped graphene to terahertz pulses using a density-matrix approach in the length gauge. We present the results for the linear and… Show more
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