Scattering of waves in finite periodic parity-time symmetric waveguide networks

Jeng Yi Lee; Pai-Yen Chen

doi:10.1364/CLEO_AT.2023.JTu2A.151

CLEO 2023
Technical Digest Series (Optica Publishing Group, 2023),
paper JTu2A.151
•https://doi.org/10.1364/CLEO_AT.2023.JTu2A.151

Scattering of waves in finite periodic parity-time symmetric waveguide networks

Jeng Yi Lee and Pai-Yen Chen

CLEO: Fundamental Science 2023

San Jose, CA United States
7–12 May 2023
ISBN: 978-1-957171-25-8

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Joint Poster Session I (JTu2A)

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J. Y. Lee and P. Chen, "Scattering of waves in finite periodic parity-time symmetric waveguide networks," in CLEO 2023, Technical Digest Series (Optica Publishing Group, 2023), paper JTu2A.151.

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Abstract

With means of parametric space, obtained from Parity-time (PT) symmetric transfer matrix, Lorentz reciprocity theorem, and non-imaginary of Bloch phase, we discuss the conditions of wave propagation, coherent perfect absorption-lasing (CPAL), and bidirectional transparency occurred at finite periodic PT-symmetric waveguide networks.

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