Title :
Ultrafast pseudospin dynamics in graphene
Author :
Grupp, A. ; Trushin, M. ; Soavi, G. ; Budweg, A. ; De Fazio, D. ; Lombardo, A. ; Sassi, U. ; Ferrari, A.C. ; Belzig, W. ; Leitenstorfer, A. ; Brida, D.
Author_Institution :
Dept. of Phys., Univ. of Konstanz, Konstanz, Germany
Abstract :
We investigate pseudospin-selective ultrafast optical excitation in monolayer graphene. We track the evolution of anisotropy in momentum space as a function of excited carrier density. The results are well described by an analytical model.
Keywords :
carrier density; graphene; high-speed optical techniques; monolayers; spin dynamics; C; excited carrier density; momentum space anisotropy; monolayer graphene; pseudospin-selective ultrafast optical excitation; ultrafast pseudospin dynamics; Anisotropic magnetoresistance; Graphene; Optical polarization; Optical pulses; Optical pumping; Optical scattering; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
