Journal
JOURNAL OF APPLIED PHYSICS
Volume 107, Issue 5, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3327212
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Funding
- Japan Science and Technology Agency, CREST, Japan
- Office Of The Director
- Office Of Internatl Science &Engineering [0968405] Funding Source: National Science Foundation
- Office Of The Director
- Office Of Internatl Science &Engineering [GRANTS:13839087] Funding Source: National Science Foundation
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Terahertz (THz) lasers on optically pumped multiple-graphene-layer (MGL) structures as their active region are proposed and evaluated. The developed device model accounts for the interband and intraband transitions in the degenerate electron-hole plasma generated by optical radiation in the MGL structure and the losses in the slot or dielectric waveguide. The THz laser gain and the conditions of THz lasing are found. It is shown that the lasers under consideration can operate at frequencies greater than or similar to 1 THz at room temperatures. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3327212]
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