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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 21 — Nov. 1, 2007
  • pp: 3089–3091

Statistics of random lasing modes in weakly scattering systems

Xiaohua Wu and Hui Cao  »View Author Affiliations


Optics Letters, Vol. 32, Issue 21, pp. 3089-3091 (2007)
http://dx.doi.org/10.1364/OL.32.003089


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Abstract

We investigated the statistics of random lasing modes in colloidal solutions with local pumping. The ensemble-averaged spectral correlation function of single-shot emission spectra exhibits regular oscillations. The statistical distribution of laser emission intensity follows a power-law decay, in comparison with an exponential decay of the statistical distribution of amplified spontaneous emission (ASE) intensity. The dramatic difference between the statistics of lasing peaks and that of the stochastic ASE spikes illustrates their distinct mechanisms.

© 2007 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(290.4210) Scattering : Multiple scattering

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: August 1, 2007
Revised Manuscript: August 28, 2007
Published: October 18, 2007

Citation
Xiaohua Wu and Hui Cao, "Statistics of random lasing modes in weakly scattering systems," Opt. Lett. 32, 3089-3091 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-21-3089

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