Title :
Optical second-harmonic generation induced by electric current in epitaxial graphene on vicinal SiC(0001)
Author :
An, Yong Q. ; Rowe, J.E. ; Dougherty, Daniel B. ; Ji Ung Lee ; Diebold, Alain C.
Author_Institution :
Coll. of Nanoscale Sci. & Eng, State Univ. of New York, Albany, NY, USA
Abstract :
We find that surface second-harmonic generation (SHG) from epitaxial graphene on a vicinal SiC(0001) substrate is enhanced ~25% by direct electric current in graphene and that the enhanced SHG varies strongly with the measurement location.
Keywords :
electric current; electro-optical effects; epitaxial layers; graphene; optical harmonic generation; silicon compounds; C; SiC; direct electric current; electric current; epitaxial graphene; measurement location; optical second-harmonic generation; surface second-harmonic generation; vicinal SiC(0001) substrate; Current measurement; Electrodes; Epitaxial growth; Graphene; Optical surface waves; Silicon carbide; Substrates;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
