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Phys. Rev. A 71, 063801 (2005) [12 pages]

Analytical approximation for the quantum-well gain and refractive-index spectra of vertical-cavity surface-emitting lasers including the effect of uniaxial planar stress

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Guy Van der Sande*, Jan Danckaert, Irina Veretennicoff, and Krassimir Panajotov†
Vrije Universiteit Brussel, Department of Applied Physics and Photonics (TW-TONA), Pleinlaan 2, 1050 Brussels, Belgium

Salvador Balle
Departamento de Física Interdisciplinar, Instituto Mediterráneo de Estudios Avanzados (Consejo Superior de Investigaciones Científicas Universitat de les Illes Balears), E-07071 Palma de Mallorca, Spain

Received 15 October 2004; published 2 June 2005

Starting from a microscopic model in the free-carrier approximation, we derive an analytical approximation for the optical susceptibility of uniaxially stressed quantum-well lasers at low temperatures by neglecting second-order contributions of the band-mixing phenomenon. The resulting polarization-dependent peak gains, differential peak gains, transparency carrier densities, and linewidth enhancement factors as induced by the uniaxial planar stress are discussed.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.71.063801
DOI:
10.1103/PhysRevA.71.063801
PACS:
42.55.Px

*Electronic address: guy.van.der.sande@vub.ac.be

†Also at Institute of Solid State Physics, 72 Tzarigradsko Chaussee Blvd., 1784 Sofia, Bulgaria.

 
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