Инд. авторы:	Shtyrina O.V., Fedoruk M.P., Kivshar Y.S., Turitsyn S.K.
Заглавие:	Coexistence of collapse and stable spatiotemporal solitons in multimode fibers
Библ. ссылка:	Shtyrina O.V., Fedoruk M.P., Kivshar Y.S., Turitsyn S.K. Coexistence of collapse and stable spatiotemporal solitons in multimode fibers // Physical Review A - Atomic, Molecular, and Optical Physics. - 2018. - Vol.97. - Iss. 1. - Art.013841. - ISSN 1050-2947. - EISSN 1094-1622.
Внешние системы:	DOI: 10.1103/PhysRevA.97.013841; РИНЦ: 35496710; SCOPUS: 2-s2.0-85041035813; WoS: 000423426200013;
Реферат:	eng: We analyze spatiotemporal solitons in multimode optical fibers and demonstrate the existence of stable solitons, in a sharp contrast to earlier predictions of collapse of multidimensional solitons in three-dimensional media. We discuss the coexistence of blow-up solutions and collapse stabilization by a low-dimensional external potential in graded-index media, and also predict the existence of stable higher-order nonlinear waves such as dipole-mode spatiotemporal solitons. To support the main conclusions of our numerical studies we employ a variational approach and derive analytically the stability criterion for input powers for the collapse stabilization.
Ключевые слова:	CONFINEMENT; PROPAGATION; EQUATION; STABILITY; OPTICAL SOLITONS; PULSE-COMPRESSION; ATTRACTIVE INTERACTIONS; BOSE-EINSTEIN CONDENSATE; WAVE COLLAPSE; DYNAMICS;
Издано:	2018
Физ. характеристика:	013841
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