Spontaneous improvement of spatial coherence and frequency locking in high-pump-power multimode lasers

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Papoff, F. and D'Alessandro, G. (2004) Spontaneous improvement of spatial coherence and frequency locking in high-pump-power multimode lasers. Physical Review A, 69 (6). 063805-1. ISSN 1050-2947 (http://dx.doi.org/10.1103/PhysRevA.70.063805)

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Abstract

By using the time average of amplitude products we are able to identify changes in the dynamical complexity and the spatial coherence of a multimode laser. We find that there are cases in which as the pump increases, the dynamical complexity decreases and the spatial coherence improves. In some limiting cases the complexity is reduced to zero and the beam is completely coherent spatially. We show that these phenomena are caused by phase synchronization of the mode amplitudes and that they can be observed using slow detectors.

ORCID iDs

Papoff, F. ORCID logoORCID: https://orcid.org/0000-0002-3456-343X and D'Alessandro, G.;
  • Item type:Article
    ID code:2958
    Dates:
    Date
    Event
    June 2004
    Published
    Subjects:Science > Physics > Optics. Light
    Department:Faculty of Science > Physics
    Depositing user: Mr Derek Boyle
    Date deposited:23 Feb 2007
    Last modified:11 Nov 2024 08:27
    URI:https://strathprints.strath.ac.uk/id/eprint/2958
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