Reinforcement learning for photonic component design

We present a new fab-in-the-loop reinforcement learning algorithm for the design of nano-photonic components that accounts for the imperfections present in nanofabrication processes. As a demonstration of the potential of this technique, we apply it to the design of photonic crystal grating couplers...

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Main Authors: Donald Witt, Jeff Young, Lukas Chrostowski
Format: Article
Language:English
Published: AIP Publishing LLC 2023-10-01
Series:APL Photonics
Online Access:http://dx.doi.org/10.1063/5.0159928
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author Donald Witt
Jeff Young
Lukas Chrostowski
author_facet Donald Witt
Jeff Young
Lukas Chrostowski
author_sort Donald Witt
collection DOAJ
description We present a new fab-in-the-loop reinforcement learning algorithm for the design of nano-photonic components that accounts for the imperfections present in nanofabrication processes. As a demonstration of the potential of this technique, we apply it to the design of photonic crystal grating couplers fabricated on an air clad 220 nm silicon on insulator single etch platform. This fab-in-the-loop algorithm improves the insertion loss from 8.8 to 3.24 dB. The widest bandwidth designs produced using our fab-in-the-loop algorithm can cover a 150 nm bandwidth with less than 10.2 dB of loss at their lowest point.
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spelling doaj.art-ebc19cb40e974ed3aec076d7684ab01b2023-11-07T18:01:03ZengAIP Publishing LLCAPL Photonics2378-09672023-10-01810106101106101-1210.1063/5.0159928Reinforcement learning for photonic component designDonald Witt0Jeff Young1Lukas Chrostowski2Department of Electrical and Computer Engineering, The University of British Columbia, Vancouver V6T-1Z4, British Columbia, CanadaStewart Blusson Quantum Matter Institute, Vancouver V6T-1Z4, British Columbia, CanadaDepartment of Electrical and Computer Engineering, The University of British Columbia, Vancouver V6T-1Z4, British Columbia, CanadaWe present a new fab-in-the-loop reinforcement learning algorithm for the design of nano-photonic components that accounts for the imperfections present in nanofabrication processes. As a demonstration of the potential of this technique, we apply it to the design of photonic crystal grating couplers fabricated on an air clad 220 nm silicon on insulator single etch platform. This fab-in-the-loop algorithm improves the insertion loss from 8.8 to 3.24 dB. The widest bandwidth designs produced using our fab-in-the-loop algorithm can cover a 150 nm bandwidth with less than 10.2 dB of loss at their lowest point.http://dx.doi.org/10.1063/5.0159928
spellingShingle Donald Witt
Jeff Young
Lukas Chrostowski
Reinforcement learning for photonic component design
APL Photonics
title Reinforcement learning for photonic component design
title_full Reinforcement learning for photonic component design
title_fullStr Reinforcement learning for photonic component design
title_full_unstemmed Reinforcement learning for photonic component design
title_short Reinforcement learning for photonic component design
title_sort reinforcement learning for photonic component design
url http://dx.doi.org/10.1063/5.0159928
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