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arXiv · 2212.11074

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
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Abstract

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.

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Amy Roche, Svetlana Slepneva, Anton Kovalev, Alexander Pimenov, Andrei G. Vladimirov, Mathias Marconi, Massimo Giudici, Guillaume Huyet. 2022-12-21. Decoherence and turbulence sources in a long laser. https://arxiv.org/abs/2212.11074

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