Title :
Transport of indirect excitons in a potential energy gradient
Author :
Leonard, J.R. ; Remeika, M. ; Kuznetsova, Y.Y. ; High, A.A. ; Butov, L.V. ; Hanson, M. ; Gossard, A.C.
Author_Institution :
Dept. of Phys., Univ. of California at San Diego, La Jolla, CA, USA
Abstract :
We create a potential energy gradient for indirect excitons using a shaped electrode and study exciton transport. We observe that indirect excitons are localized at low densities and travel along the ramp at high densities.
Keywords :
III-V semiconductors; aluminium compounds; electrodes; excitons; gallium arsenide; semiconductor quantum wells; GaAs-Al0.33Ga0.67As; density; excitons; potential energy gradient; shaped electrode; transport property; Educational institutions; Electric potential; Electrodes; Excitons; Lattices; Potential energy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
