Inverse Design of Spectral and Angular Responses of Smith-Purcell Radiation via Aperiodic Sequences

Ayan Nussupbekov; Ayan Nussupbekov; Ching Eng Png; Lin Wu; Lin Wu; Liang Jie Wong; Yi Dong Chong; Yi Dong Chong

doi:10.1364/FIO.2022.JW5A.79

Frontiers in Optics + Laser Science 2022 (FIO, LS)
Technical Digest Series (Optica Publishing Group, 2022),
paper JW5A.79
•https://doi.org/10.1364/FIO.2022.JW5A.79

Inverse Design of Spectral and Angular Responses of Smith-Purcell Radiation via Aperiodic Sequences

Ayan Nussupbekov, Ching Eng Png, Lin Wu, Liang Jie Wong, and Yi Dong Chong

Laser Science 2022

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

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Joint Poster Session IVA (In person) (JW5A)

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A. Nussupbekov, C. E. Png, L. Wu, L. J. Wong, and Y. D. Chong, "Inverse Design of Spectral and Angular Responses of Smith-Purcell Radiation via Aperiodic Sequences," in Frontiers in Optics + Laser Science 2022 (FIO, LS), Technical Digest Series (Optica Publishing Group, 2022), paper JW5A.79.

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Abstract

We demonstrate, using time domain finite difference simulations, that Smith-Purcell radiation can be precisely tailored. Spectral and spatial emission shaping is achieved by optimizing a grating parameterized by aperiodic sequence, which outperforms standard optimization schemes.

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