2024
DOI: 10.1364/opticaopen.25886761
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Modelling and Next-Value Prediction of Beam Propagation from Grating Structures using Simplified Transformer Model

Yu Dian Lim,
Chuan Seng Tan

Abstract: In this study, simplified transformer model is used to perform next-value prediction on light coupled out from silicon photonics grating to free space. Finite-difference time-domain (FDTD) simulation is performed to simulate the electric field (E-field) in laser light coupled from gratings with pitches of 0.6, 0.8, 1.0, 1.2, 1.4 and 1.6 µm, to free-space. Only E-field distribution from 0.6 µm is used in model training, and the trained transformer model is used to predict the E-field from the rest of the gratin… Show more

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