Abstract
A well-known transverse-pattern formation mechanism in broad-aperture lasers and other nonlinear resonators is off-resonance excitation. If the central frequency of the gain line of the laser ω A is larger than the resonator resonance frequency ω R, then the excess of frequency Δω = ω A − ω R causes a transverse (spatial) modulation of the laser fields, with a characteristic transverse wavenumber k obeying a dispersion relation ak 2 = Δω, where a is the diffraction coefficient of the resonator. The patterns that occur in such a way play the role of a “bridge” between the excitation and the dissipation, which occur at different frequencies, and these patterns enable maximum energy transfer through the system.
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(2003). Turing Patterns in Nonlinear Optics. In: Transverse Patterns in Nonlinear Optical Resonators. Springer Tracts in Modern Physics, vol 183. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-36416-1_12
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DOI: https://doi.org/10.1007/3-540-36416-1_12
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