Work

Whispering gallery mode lasing in high quality GaAs/AlAs pillar microcavities

Year: 2010

Type: article

Abstract: We report whispering gallery mode (WGM) lasing from high quality GaAs/AlAs micropillars with embedded InAs quantum dots, under continuous optical pumping. For temperatures ranging from 5 to 100 K, simultaneous lasing from TE1,1,m WGMs is observed for pillar diameters in the 3–4 μm range. Spectral linewidths and energy shifts of the lasing modes are analyzed as a function of the pump power. Thanks to the efficient heat sinking provided by the micropillar geometry, a clear line narrowing is observed above threshold. Moreover, the lasing mode energy remains stable for pump power as large as six times the lasing threshold.

Source: Applied Physics Letters

DOI: 10.1063/1.3315869

Authors: P. Jaffrennou, J. Claudon, M. Bazin, N. S. Malik, S. Reitzenstein, L. Worschech, M. Kamp, A. Forchel, J.-M. Gérard

Institutions: Centre National de la Recherche Scientifique, Université Joseph Fourier, Commissariat à l'Énergie Atomique et aux Énergies Alternatives, CEA Grenoble, Institut Nanosciences et Cryogénie, University of Würzburg

Language: English

Topic: Photonic and Optical Devices

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2016454510

FWCI: 3.676

Cites: 21

Cited by: 40

Related to: 10