Title :
Precision measurement of ultralow threshold in a whispering-gallery-mode quantum-dot laser
Author :
Shopova, S.I. ; Farca, G. ; Rosenberger, A.T.
Author_Institution :
Dept. of Phys., Oklahoma State Univ., Stillwater, OK
Abstract :
Laser emission into modes of a dielectric microsphere was observed from optically pumped HgTe quantum dots on its surface. Including real-time measurement of the input pump losses reveals nanowatt threshold levels for these lasers.
Keywords :
II-VI semiconductors; dielectric materials; laser beams; laser modes; laser variables measurement; mercury compounds; optical loss measurement; optical pumping; quantum dot lasers; whispering gallery modes; HgTe; dielectric microsphere; input pump losses; laser emission; nanowatt threshold level; optical pumping; precision measurement; real-time measurement; ultralow threshold laser; whispering-gallery-mode quantum-dot laser; Dielectric loss measurement; Dielectric measurements; Laser excitation; Laser modes; Loss measurement; Optical pumping; Pump lasers; Quantum dot lasers; Stimulated emission; Surface emitting lasers; (140.4780) Optical resonators; (140.5960) Semiconductor lasers; (350.3950) Micro-optics;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4629180
