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Proceedings Paper

Lattice mismatched growth for mid-IR VECSELs
Author(s): G. Balakrishnan; T. J. Rotter; P. Ahirwar; S. P. Clark; V. Patel; A. Albrecht; C. P. Hains; Yi-Ying Lai; T. L. Wang; J. M. Yarborough; D. Mathine; Yushi Kaneda; Jerome V. Moloney; Jörg Hader; S. W. Koch
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Paper Abstract

We demonstrate a novel epitaxial process for the growth of low-dislocation density GaSb on GaAs. The growth mode involves the formation of large arrays of periodic 90° misfit dislocations at the interface between the two binary alloys which results in a completely strain relieved III-Sb epi-layer without the need for thick buffer layers. This epitaxial process is used for the growth of antimonide active regions directly on GaAs/AlGaAs distributed Bragg Reflectors (DBRs) resulting in 2 μm VECSELs on GaAs substrates.

Paper Details

Date Published: 22 February 2011
PDF: 7 pages
Proc. SPIE 7919, Vertical External Cavity Surface Emitting Lasers (VECSELs), 79190G (22 February 2011); doi: 10.1117/12.874234
Show Author Affiliations
G. Balakrishnan, Ctr. for High Technology Materials, The Univ. of New Mexico (United States)
T. J. Rotter, Ctr. for High Technology Materials, The Univ. of New Mexico (United States)
P. Ahirwar, Ctr. for High Technology Materials, The Univ. of New Mexico (United States)
S. P. Clark, Ctr. for High Technology Materials, The Univ. of New Mexico (United States)
V. Patel, Ctr. for High Technology Materials, The Univ. of New Mexico (United States)
A. Albrecht, Ctr. for High Technology Materials, The Univ. of New Mexico (United States)
C. P. Hains, Ctr. for High Technology Materials, The Univ. of New Mexico (United States)
Yi-Ying Lai, College of Optical Sciences, The Univ. of Arizona (United States)
T. L. Wang, College of Optical Sciences, The Univ. of Arizona (United States)
J. M. Yarborough, College of Optical Sciences, The Univ. of Arizona (United States)
D. Mathine, College of Optical Sciences, The Univ. of Arizona (United States)
Yushi Kaneda, College of Optical Sciences, The Univ. of Arizona (United States)
Jerome V. Moloney, College of Optical Sciences, The Univ. of Arizona (United States)
Jörg Hader, Nonlinear Control Strategies Inc. (United States)
S. W. Koch, Philipps-Univ. of Marburg (Germany)


Published in SPIE Proceedings Vol. 7919:
Vertical External Cavity Surface Emitting Lasers (VECSELs)
Ursula Keller, Editor(s)

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