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We report numerical and experimental studies of instabilities in a “noise-like pulse” dissipative soliton laser generating an output spectrum of 1000 nm bandwidth, and with two orders of magnitude variation in intracavity spectral width over one roundtrip. Simulations identify the origin of the laser instability as the sensitivity to noise of nonlinear soliton dynamics. Our experiments use real-time time and frequency domain measurements, and our simulations reproduce quantitatively both the full extent of intracavity supercontinuum broadening, as well as the probability distributions of temporal and spectral fluctuations, including rogue waves.
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Fanchao Meng, Coraline Lapre, Cyril Billet, Thibault Sylvestre, Jean-Marc Merolla, Christophe Finot, Sergei Turitsyn, Goëry Genty, John M. Dudley, "Real-time measurements of incoherent instabilities and rogue waves in an extreme broadband dissipative soliton laser," Proc. SPIE PC11986, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications VII, PC1198604 (1 April 2022); https://doi.org/10.1117/12.2609307