Space-time optical vortices in planar coupled waveguides with quadratic nonlinearity

B. S. Bryantsev; A. A. Kalinovich; I. G. Zakharova

doi:10.1117/12.2686027

26 November 2023 Space-time optical vortices in planar coupled waveguides with quadratic nonlinearity

B. S. Bryantsev, A. A. Kalinovich, I. G. Zakharova

Proceedings Volume 12775, Quantum and Nonlinear Optics X; 1277514 (2023) https://doi.org/10.1117/12.2686027
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Conference Poster

Abstract

We study a possibility spatiotemporal optical vortices propagating in a structure consisting of two connected waveguides with quadratic nonlinearity. The system under study is a planar nonlinear crystal whose refractive index in cross-section has two maxima corresponding to two waveguides. In this case, the electromagnetic field can penetrate between the waveguides, and due to that a communication between waveguides is realized. We focus on the study of the propagation dynamics of spatiotemporal optical vortices in such a system varying the distance between waveguides, the initial time shift between beams, and the initial phase shift between them.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

B. S. Bryantsev, A. A. Kalinovich, and I. G. Zakharova "Space-time optical vortices in planar coupled waveguides with quadratic nonlinearity", Proc. SPIE 12775, Quantum and Nonlinear Optics X, 1277514 (26 November 2023); https://doi.org/10.1117/12.2686027

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