Necklace Beam Generation in Nonlinear Colloidal Engineered Media

Abstract

Modulational instability is a phenomenon that reveals itself as the exponential growth of weak perturbations in the presence of an intense pump beam propagating in a nonlinear medium. It plays a key role in such nonlinear optical processes as supercontinuum generation, light filamentation, and rogue waves. However, practical realization of these phenomena in the majority of available nonlinear media still relies on high-intensity optical beams. Here, we analytically and numerically show the possibility of necklace beam generation originating from low-intensity spatial modulational instability of vortex beams in engineered soft-matter nonlinear media.

References in corpus (2)

• Instabilities, breathers and rogue waves in optics
• Fusion of necklace-ring patterns into vortex and fundamental solitons in dissipative media

Cited by in corpus (4)

• Observation and analysis of creation, decay, and regeneration of annular soliton clusters in a lossy cubic-quintic optical medium
• Orbital angular momentum beam instabilities in engineered nonlinear colloidal media
• Modulation instability of structured-light beams in negative-index metamaterials
• Modulation Instability of Discrete Angular Momentum in Coupled Fiber Rings