A "metaphorical" nonlinear multimode fiber laser approach to weakly dissipative Bose-Einstein condensates

V. L. Kalashnikov, S. Wabnitz

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate the stabilization of two-dimensional nonlinear wave patterns by means of a dissipative confinement potential. Our analytical and numerical analysis, based on the generalized dissipative Gross-Pitaevskii equation, makes use of the close analogy between the dynamics of a Bose-Einstein condensate and that of mode-locked fiber laser, operating in the anomalous dispersion regime. In the last case, the formation of stable two-dimensional patterns corresponds to spatiotemporal mode locking, using dissipation-enhanced mode cleaning. We analyze the main scenarios of pattern destabilization, varying from soliton dissolution to its splitting and spatiotemporal turbulence, and their dependence on graded dissipation.

Original languageEnglish
Article number34002
JournalEPL
Volume133
Issue number3
DOIs
Publication statusPublished - Jan 2021

OECD FOS+WOS

  • 1.03 PHYSICAL SCIENCES AND ASTRONOMY

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