Title :
Colloidal semiconductor quantum dot whispering-gallery microlaser — a comparative study of two approaches
Author :
Stoian, Razvan-Ionut ; Dale, Elijah ; Ganta, D. ; Rosenberger, A.T.
Author_Institution :
Dept. of Phys., Oklahoma State Univ., Stillwater, OK, USA
Abstract :
The microlaser consists of a tapered-fiber-coupled fused-silica microsphere, with HgTe nanocrystals deposited on one tapered fiber. Compared to a microlaser having a coated microsphere, the lasing signal is cleaner and the cavity Q remains high.
Keywords :
laser cavity resonators; micro-optics; optical fibres; optical films; quantum dot lasers; silicon compounds; whispering gallery modes; SiO2; coated microsphere; colloidal semiconductor; laser cavity; nanocrystals; quantum dot whispering-gallery microlaser; tapered-fiber-coupled fused-silica microsphere; Fiber lasers; Laser excitation; Microcavities; Nanocrystals; Optical fibers; Optical pumping; Optical resonators; Optical surface waves; Quantum dot lasers; Quantum dots; (140.3945) Microcavities; (230.3990), Micro-optical devices; (230.5590) Quantum-well, -wire, and -dot devices;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
