Bistability and instability of dark-antidark solitons in the cubic-quintic nonlinear Schroedinger equation
Journal Article
·
· Physical Review. A
- Dept. of Physics, Sapienza University of Rome, I-00185, Rome (Italy)
- PRIMALIGHT, Faculty of Electrical Engineering, Applied Mathematics and Computational Science, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900 (Saudi Arabia)
- Dipartimento di Ingegneria, Universita di Ferrara, Via Saragat 1, I-44122 Ferrara (Italy)
We characterize the full family of soliton solutions sitting over a background plane wave and ruled by the cubic-quintic nonlinear Schroedinger equation in the regime where a quintic focusing term represents a saturation of the cubic defocusing nonlinearity. We discuss the existence and properties of solitons in terms of catastrophe theory and fully characterize bistability and instabilities of the dark-antidark pairs, revealing mechanisms of decay of antidark solitons into dispersive shock waves.
- OSTI ID:
- 22095699
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 6 Vol. 84; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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