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Analysis of spatial emission structures in vertical-cavity surface-emitting lasers with feedback from a volume Bragg grating

Noblet, Y. and Ackemann, T. (2012) Analysis of spatial emission structures in vertical-cavity surface-emitting lasers with feedback from a volume Bragg grating. Physical Review A, 85 (5). ISSN 1050-2947

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Abstract

We investigate the spatial and spectral properties of broad-area vertical-cavity surface-emitting lasers with frequency-selective feedback by a volume Bragg grating. We demonstrate wavelength locking similar to the case of edge emitters but the spatial mode selection is different from the latter. On-axis spatial solitons obtained at threshold give way to off-axis extended lasing states beyond threshold. The investigations focus on a self-imaging external cavity. We analyze how deviations from the self-imaging condition affect the pattern formation and a certain robustness of the phenomena is demonstrated.

Item type: Article
ID code: 40327
Keywords: vertical-cavity surface-emitting lasers , spatial emission structures, self-imaging, Bragg grating, Physics, Atomic and Molecular Physics, and Optics
Subjects: Science > Physics
Department: Faculty of Science > Physics
Depositing user: Pure Administrator
Date Deposited: 03 Jul 2012 13:08
Last modified: 21 May 2015 14:42
Related URLs:
URI: http://strathprints.strath.ac.uk/id/eprint/40327

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