Solitons and vortices in lasers

Weiss, C.O.; Vaupel, M.; Staliunas, K.; Slekys, G.; Taranenko, V.B.
February 1999
Applied Physics B: Lasers & Optics;1999, Vol. 68 Issue 2, p151
Academic Journal
Abstract. Nonlinear optical resonators, particularly active resonators, of large Fresnel number show a rich structure formation, which relates for example, lasers with fluids, superfluids, or chemical systems. "Localized structures" are structures of particular interest because of their particle-like properties. In nonlinear optics vortices and spatial solitons are such localized structures. We give in this article the mathematical background for pattern formation in nonlinear active resonators, elucidating the relation of optics with other fields of physics, and demonstrate experimentally the existence, properties, and dynamics of: (i) vortices in lasers, (ii) bright spatial solitons in lasers with saturable absorber, and (iii) spatial solitons in degenerate parametric mixing. All these structures are by definition bistable so that they are potentially useful for parallel optical information processing.


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