Here we calculate the electric field and reflection gain for a graphene-incorporated THz semiconductor laser waveguide. By controlling the Fermi level of graphene, the lasing modes of the waveguide are modified via graphene plasmons.
David Barcons Ruiz, Niels C. H. Hesp, Hanan Herzig Sheinfux, Carlos Ramos Marimón, Curdin Maissen, Alessandro Principi, Reza Asgari, Takashi Taniguchi, Kenji Watanabe, Marco Polini, Rainer Hillenbrand, Iacopo Torre, Frank H. L. Koppens
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