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Length scales and polarization properties of annular standing waves in circular broad-area vertical-cavity surface-emitting lasers

Schulz-Ruhtenberg, M. and Tanguy, Y. and Jager, R. and Ackemann, T. (2009) Length scales and polarization properties of annular standing waves in circular broad-area vertical-cavity surface-emitting lasers. Applied Physics B: Lasers and Optics, 97 (2). pp. 397-403. ISSN 0946-2171

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Abstract

It is shown that the 'flower-like' emission patterns along the perimeter of broad-area circular vertical-cavity surface-emitting lasers can be interpreted in a first approximation as annular standing waves. Their modulation period follows the dispersion relation of tilted plane waves for a plano-planar cavity. For high enough divergence angle, they show a very peculiar polarization behavior of radial polarization in near field and azimuthal polarization in far field. The polarization selection is qualitatively explained by the breaking of the isotropy between s- and p-components for waves propagating off axis in the Bragg reflectors.

Item type: Article
ID code: 18917
Keywords: polarization, annular standing waves, vertical-cavity, surface-emitting lasers, Optics. Light
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 18 Jun 2010 11:40
    Last modified: 25 Apr 2013 09:56
    URI: http://strathprints.strath.ac.uk/id/eprint/18917

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