71 citations · 143 across the 7 of their papers we have counts for
7 papers
Third-order terahertz optical response of graphene in the presence of Rabi Oscillations
Sawsan Daws, David R. Andersen
Graphene has been shown to exhibit a nonlinear response due to its unique band structure. In this paper, we study the terahertz (THz) response metallic armchair graphene nanoribbon…
Terahertz continuum generation in the LCS lattice
Qiutong Jin, David R. Andersen
Rabi oscillations in two-level Dirac systems have been shown to alter the frequency content of the system's nonlinear response. In particular, when considering Rabi oscillations in…
Nonlinear response of metallic acGNR to an elliptically-polarized terahertz excitation field
Yichao Wang, David R. Andersen
We present a theoretical description of the nonlinear response induced by an elliptically-polarized terahertz beam normally-incident on intrinsic and extrinsic metallic armchair gr…
Quantum Size Effects in the Terahertz Nonlinear Response of Metallic Armchair Graphene Nanoribbons
Yichao Wang, David R. Andersen
We use time dependent perturbation theory to study quantum size effects on the terahertz nonlinear response of metallic graphene armchair nanoribbons of finite length under an appl…
First-principles study of the terahertz third-order nonlinear response of metallic armchair graphene nanoribbons
Yichao Wang, David R. Andersen
We compute the terahertz third-order nonlinear conductance of metallic armchair graphene nanoribbons using time-dependent perturbation theory. Significant enhancement of the intrin…
Collective Modes of Massive Dirac Fermions in Armchair Graphene Nanoribbons
David R. Andersen, Hassan Raza
We report the plasmon dispersion characteristics of intrinsic and extrinsic armchair graphene nanoribbons of atomic width N = 5 using a p_z-orbital tight binding model with third-n…
Plasmon dispersion in semimetallic armchair graphene nanoribbons
David R. Andersen, Hassan Raza
The dispersion relations for plasmons in intrinsic and extrinsic semimetallic armchair graphene nanoribbons (acGNR) are calculated in the random phase approximation using the ortho…