Theoretical study demonstrates parameter-based control of circular Pearcey beam dynamics in parabolic potential with astigmatism, indicating new avenues for optical beam modulation.
In this paper, we report the propagation of the circular Pearcey beam (CPB) carrying astigmatism phase in parabolic potential. We find that the beam shape, the propagation period, and the focus position of the CPB can be controlled by beam parameters. Moreover, the effect of astigmatism factors and the beam rotation angle on the propagating characteristics of the CPB are also discussed. Furthermore, the extension into multiple initial scenarios is also proposed. Our results theoretically offer more possibilities for the Pearcey beam modulation in parabolic potential from a nonlinear perspective.
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Zhang et al. (2023) studied this question.
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