For the first time, we demonstrate that monolayer graphene can control surface-plasmon modes in terahertz lasers. Integrating a graphene-coated, multi-band filter, varied in situ by electrochemical gating, individual modes can be switched on and off.
M. Said Ergoktas, Sina Soleymani, Nurbek Kakenov, Kaiyuan Wang, Thomas B. Smith, Gökhan Bakan, Sinan Balci, Alessandro Principi, Konstantin ‘kostya’ Novoselov, Şahin Kaya Özdemir, Coşkun Kocabaş
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