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Abstract
We demonstrate a new type of soliton formation arising from the interaction of multiple two-dimensional Airy beams in a nonlinear medium. While in linear regime, interference effects of two or four spatially displaced Airy beams lead to accelerated intensity structures that can be used for optical induction of novel light guiding refractive index structures, the nonlinear cross-interaction between the Airy beams decelerates their bending and enables the formation of straight propagating solitary states. Our experimental results represent an intriguing combination of two fundamental effects, accelerated optical beams and nonlinearity, together enable novel mechanisms of soliton formation that will find applications in all-optical light localization and switching architectures. Our experimental results are supported by corresponding numerical simulations.
Highlights
Introduction and motivationAiry wave packets, first predicted by Berry and Balazs [1] as free-particle solutions of the Schrödinger equation are remarkable objects within the framework of quantum mechanics
We demonstrate a new type of soliton formation arising from the interaction of multiple two-dimensional Airy beams in a nonlinear medium
Our experimental results represent an intriguing combination of two fundamental effects, accelerated optical beams and nonlinearity, together enable novel mechanisms of soliton formation that will find applications in all-optical light localization and switching architectures
Summary
First predicted by Berry and Balazs [1] as free-particle solutions of the Schrödinger equation are remarkable objects within the framework of quantum mechanics. The envelope of these wave packets is described by Airy functions, centered around a parabolic trajectory. Their unique ability to freely accelerate during propagation – even in the absence of any external potential – stands out the Airy wave from any other known solution. The unique ballistic-like and selfaccelerating properties of the Airy beam made it ideally suited for various applications ranging from particle and cell micromanipulation, optical snow-blowers [5,6], laser micromachining [7]
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