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

fYear

2006

fDate

21-26 May 2006

Firstpage

1

Lastpage

2

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;

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.2006.4629164

Filename

4629164