Title :
Red, green, and blue colloidal quantum dot-based optically pumped distributed feedback lasers
Author :
Kwangdong Roh ; Joonhee Lee ; Cuong Dang ; Breen, C. ; Steckel, J.S. ; Coe-Sullivan, S. ; Nurmikko, Arto
Author_Institution :
Sch. of Eng., Brown Univ., Providence, RI, USA
Abstract :
Red, green and blue distributed feedback lasers based on dense colloidal CdSe quantum dot thin films were optically pumped in quasi-steady state. The red lasers showed 32% internal quantum efficiency and 400 μW output power.
Keywords :
II-VI semiconductors; cadmium compounds; colloids; distributed feedback lasers; laser beams; optical pumping; quantum dot lasers; semiconductor thin films; wide band gap semiconductors; CdSe; blue colloidal quantum dot; dense colloidal quantum dot thin films; green colloidal quantum dot; internal quantum efficiency; laser output power; optically pumped distributed feedback lasers; power 400 muW; quasisteady state; red colloidal quantum dot; Distributed feedback devices; Laser beams; Laser excitation; Laser feedback; Laser modes; Pump lasers; Vertical cavity surface emitting lasers; Colloidal quantum dot; DFB lasers; RGB; Single exciton gain; Steady-state;
Conference_Titel :
Photonics Conference (IPC), 2013 IEEE
Conference_Location :
Bellevue, WA
Print_ISBN :
978-1-4577-1506-8
DOI :
10.1109/IPCon.2013.6656347
