Title :
Transient gain spectroscopy in the potent single-exciton regime of dense II-VI colloidal quantum dot films
Author :
Cuong Dang ; Kwangdong Roh ; Joonhee Lee ; Breen, C. ; Steckel, J.S. ; Coe-Sullivan, S. ; Nurmikko, Arto
Author_Institution :
Dept. of Phys., Brown Univ., Providence, RI, USA
Abstract :
We have reached the long-sought single exciton gain regime in dense colloidal II-VI semiconductor quantum dot films. Transient spectroscopy details their exciton dynamics, informing further development of single material based lasers across the visible.
Keywords :
II-VI semiconductors; colloids; excitons; high-speed optical techniques; nanophotonics; nanostructured materials; optical materials; semiconductor quantum dots; semiconductor thin films; dense colloidal II-VI semiconductor quantum dot films; material-based laser development; single-exciton dynamics; transient gain spectroscopy; Absorption; Excitons; Optical films; Optical pumping; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA