Abstract
The transverse pattern dynamics in a laser with large Fresnel number are often governed by two relatively independent but simultaneous instabilities. One leads at “turbulent” state (uncorrelated in space and time) through modulation, principally of the phase of the field while the other yields a periodic modulation in space and time. The measured electric field amplitude is modulated by both effects. As consequence the laser intensity is locally chaotic on short time scales but the time average intensity patterns retains the global symmetry of the system. We compare our studies of the Maxwell-Bloch equations with recent experimental results.
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Huyet, G., Rica, S. (1996). Pattern formation and phase turbulence in the transverse section of lasers. In: Tirapegui, E., Zeller, W. (eds) Instabilities and Nonequilibrium Structures V. Nonlinear Phenomena and Complex Systems, vol 1. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0239-8_5
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DOI: https://doi.org/10.1007/978-94-009-0239-8_5
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