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arXiv.org e-Print Archive
Preprint . 2003
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Mode repulsion and mode coupling in random lasers

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 03 Apr 2003Embargo end date: 01 Jan 2003 English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 67 (issn: 0163-1829, eissn: 1095-3795, Copyright policy )Funded by:NSF | CAREER: Microscopic Study...
Authors: Cao, H.; Jiang, Xunya; Ling, Y.; Xu, J. Y.; Soukoulis, C. M.;

doi: 10.1103/physrevb.67.161101 , 10.48550/arxiv.cond-mat/0301461

arXiv: cond-mat/0301461

Mode repulsion and mode coupling in random lasers

Abstract

We studied experimentally and theoretically the interaction of lasing modes in random media. In a homogeneously broadened gain medium, cross gain saturation leads to spatial repulsion of lasing modes. In an inhomogeneously broadened gain medium, mode repulsion occurs in the spectral domain. Some lasing modes are coupled through photon hopping or electron absorption and reemission. Under pulsed pumping, weak coupling of two modes leads to synchronization of their lasing action. Strong coupling of two lasing modes results in anti-phased oscillations of their intensities.

13 pages, 4 figures

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Keywords

FOS: Physical sciences, Disordered Systems and Neural Networks (cond-mat.dis-nn), Condensed Matter - Disordered Systems and Neural Networks

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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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    influence
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
100
Top 10%
Top 1%
Top 10%
Green