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Decoherence and Turbulence Sources in a Long Laser
Amy Roche
Svetlana Slepneva
Anton Kovalev
Alexander Pimenov
Andrei G. Vladimirov
Mathias Marconi
Massimo Giudici
Guillaume Huyet
出版
Weierstraß-Institut für Angewandte Analysis und Stochastik Leibniz-Institut im Forschungsverbund Berlin e.V.
, 2022
URL
http://books.google.com.hk/books?id=ce2mzwEACAAJ&hl=&source=gbs_api
註釋
We investigate the turn-on process in a laser cavity where the roundtrip time is several orders of magnitude greater than the active medium timescales. In this long delay limit the electromagnetic field build-up can be mapped experimentally roundtrip after roundtrip. We show how coherence settles down starting from a stochastic initial condition. In the early stages of the turn-on, we show that power drop-outs emerge, persist for several round-trips and seed dark solitons. These latter structures exhibit a chaotic dynamics and emit radiation that can lead to an overall turbulent dynamics depending on the cavity dispersion.