Title :
Observation of the relativistic response of an electron-hole plasma in graphene on femtosecond timescales
Author :
Dani, K.M. ; Lee, J. ; Sharma, R. ; Mohite, A.D. ; Galande, C.C. ; Ajayan, P.M. ; Dattelbaum, A.M. ; Htoon, H. ; Taylor, A.J. ; Prasankumar, R.P.
Author_Institution :
Center for Integrated Nanotechnol., Los Alamos Nat. Lab., Los Alamos, NM, USA
Abstract :
Visible pump-probe spectroscopy isolates the femtosecond Drude response of a photo generated electron-hole plasma in monolayer graphene. The observed VN scaling versus carrier density reveals the relativistic nature of the electron-hole plasma.
Keywords :
carrier density; graphene; high-speed optical techniques; monolayers; solid-state plasma; visible spectra; C; carrier density; femtosecond Drude response; femtosecond timescales; generated electron-hole plasma; graphene; monolayer graphene; visible pump-probe spectroscopy; Conductivity; Optical pumping; Optical reflection; Photonics; Plasmas; Probes; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
