Title :
Intraband optical transitions in graphene
Author :
Horng, Jason ; Chen, Chi-Fan ; Geng, Baisong ; Girit, Caglar ; Zhang, Yuanbo ; Hao, Zhao ; Bechtel, Hans A. ; Martin, Michael ; Zettl, Alex ; Crommie, Michael F. ; Shen, Y. Ron ; Wang, Feng
Author_Institution :
Dept. of Phys., Univ. of California at Berkeley, Berkeley, CA, USA
Abstract :
We measured tunable interband and intraband transitions in graphene using infrared spectroscopy. Graphene electrons have strong intraband absorption at terahertz frequency range. The absorption spectra are described by a Drude-like frequency dependence.
Keywords :
graphene; high-speed optical techniques; infrared spectra; C; Drude-like frequency dependence; absorption spectra; graphene; infrared spectroscopy; intraband absorption; intraband optical transitions; terahertz frequency range; Absorption; Conductivity; Electron optics; Frequency dependence; Logic gates; Optical scattering; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4