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APS » Journals » Phys. Rev. Lett. » Volume 92 » Issue 9
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Phys. Rev. Lett. 92, 093905 (2004) [4 pages]

Power-Law Spatial Correlations in Arrays of Locally Coupled Lasers

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Fabien Rogister1,*, K. Scott Thornburg, Jr.2, L. Fabiny2, Michael Möller3, and Rajarshi Roy4
1Service d’Electromagnétisme et de Télécommunications, Faculté Polytechnique de Mons, Boulevard Dolez 31, 7000 Mons, Belgium
2School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
3Institut für Angewandte Physik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
4Institute for Physical Science and Technology and Department of Physics, University of Maryland, College Park, Maryland 20742, USA

Received 18 September 2003; published 5 March 2004

We investigate correlations of the intensity fluctuations of two-dimensional arrays of nonidentical, locally coupled lasers, numerically and experimentally. We find evidence of a power-law dependence of spatial correlations as a function of laser pair distance (or coupling strength) near the phase-locking threshold.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.92.093905
DOI:
10.1103/PhysRevLett.92.093905
PACS:
42.65.Sf, 05.45.Xt

*Corresponding author.

Electronic address: rogister@telecom.fpms.ac.be

 
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