Vortex light bullets in rotating Quasi-Phase-Matched photonic crystals

Jun-Rong He, Yida Jiao, Boai Zhou, Yuan Zhao, Zhuo Fan and Siliu Xu

Chaos, Solitons & Fractals, 2024, vol. 188, issue C

Abstract: We present a methodology for the generation of stable vortex light bullets (LBs) in rotating Quasi-Phase-Matched (QPM) photonic crystals with quadratic nonlinearity. The photonic crystal is designed with a checkerboard structure, which is feasible to realize by using contemporary technological advancements. Within this framework, square- and rhombus-shaped LBs are observed, both of which are constructed as four-peak vortex mode. The control parameters include the effective phase mismatch, power, rotating frequency, and the size of checkerboard cells. These parameters play key roles in determining the distribution and stability domains of vortex LBs. In contrast to the stable vortex solitons observed in two-dimensional (2D) quadratic systems, the LBs investigated in the 3D rotating system exhibit narrower stability domains within the system’s parameter space. The rotating frequency results in the transition of LBs from quadrupole to traditional vortex modes. Potential applications of this research lie in the field of optical communications and information processing.

Keywords: Vortex light bullets; Quasi-Phase-Matched photonic crystals; Quadratic nonlinearity (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:188:y:2024:i:c:s096007792401066x

DOI: 10.1016/j.chaos.2024.115514

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