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VOLUME 89 | ISSUE 2 | PAGE 70
Terahertz laser based on optically pumped graphene: model and feasibility of realization
PACS: 78.66.-w, 81.05.Uw
Abstract
We consider a terahertz laser based on optically pumped graphene layer and bilayer as the active media and suggested waveguide structure. Using the developed model, we calculate the spectral dependences the dynamic conductivity of the optically pumped graphene layer and bilayer associated with the interband and intraband transitions, estimate the pumping optical power required for lasing, and demonstrate the feasibility of realization of such a laser.




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