Title :
Ultralow threshold on-chip toroidal microcavity nanocrystal quantum dot lasers
Author :
Min, Bumki ; Kim, Sungjee ; Okamoto, Koichi ; Yang, Lan ; Scherer, Axel ; Atwater, Harry ; Vahala, Kerry
Author_Institution :
Dept. of Appl. Phys., California Inst. of Technol., Pasadena, CA
Abstract :
We demonstrate an on-chip toroidal microcavity nanocrystal quantum dot laser with a threshold energy below 10 femto-Joules at room temperature, a factor of 1 million lower than previously reported for strongly-confined, nanocrystal quantum dot lasers.
Keywords :
II-VI semiconductors; cadmium compounds; microcavity lasers; nanophotonics; nanostructured materials; optical materials; quantum dot lasers; zinc compounds; CdSe-ZnS; on-chip toroidal microcavity nanocrystal quantum dot laser; semiconductor lasers; semiconductor quantum dots; strongly-confined quantum dot lasers; temperature 293 K to 298 K; ultralow threshold; Fiber lasers; Laser modes; Laser theory; Microcavities; Nanocrystals; Optical coupling; Optical pumping; Optical resonators; Quantum dot lasers; Semiconductor lasers; (140.4780) Optical resonators; (140.5960) Semiconductor lasers;
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.2006.4629164
