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

fYear

2006

fDate

21-26 May 2006

Firstpage

1

Lastpage

2

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;

fLanguage

English

Publisher

ieee

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

Type

conf

DOI

10.1109/CLEO.2006.4629180

Filename

4629180