PT-symmetric triple waveguide directional coupler with variable coupling coefficients

Priyanka Chaudhary; Akhilesh Kumar Mishra

doi:10.1364/FIO.2022.JTu5A.45

Frontiers in Optics + Laser Science 2022 (FIO, LS)
Technical Digest Series (Optica Publishing Group, 2022),
paper JTu5A.45
•https://doi.org/10.1364/FIO.2022.JTu5A.45

PT-symmetric triple waveguide directional coupler with variable coupling coefficients

Priyanka Chaudhary and Akhilesh Kumar Mishra

Frontiers in Optics 2022

Rochester, New York United States
17–20 October 2022
ISBN: 978-1-957171-17-3

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P. Chaudhary and A. K. Mishra, "PT-symmetric triple waveguide directional coupler with variable coupling coefficients," in Frontiers in Optics + Laser Science 2022 (FIO, LS), Technical Digest Series (Optica Publishing Group, 2022), paper JTu5A.45.

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Abstract

We numerically investigate switching characteristics in a PT-symmetric system consisting of three waveguides with variable coupling coefficients in nonlinear regime. The study is performed for different combinations of linear and nonlinear waveguides.

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