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Updated: Apr 29, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Coherent cavitation in the liquid of light
Ángel Paredes1, David Feijoo1, Humberto Michinel1
1Área de Óptica, Departamento de Física Aplicada, Universidade de Vigo, As Lagoas s/n, Ourense ES-32004, Spain.
Abstract:
We study the cubic- (focusing-)quintic (defocusing) nonlinear Schrödinger equation in two transverse dimensions. We discuss a family of stationary traveling waves, including rarefaction pulses and vortex-antivortex pairs, in a background of critical amplitude. We show that these rarefaction pulses can be generated inside a flattop soliton when a smaller bright soliton collides with it. The fate of the evolution strongly depends on the relative phase of the solitons. Among several possibilities, we find that the dark pulse can reemerge as a bright soliton.
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