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Multiobjective and categorical global optimization of photonic structures based on ResNet generative neural networks

Journal Article · · Nanophotonics
 [1];  [1]
  1. Department of Electrical Engineering, Stanford University, 348 Via Pueblo, Stanford, CA94305, USA
Abstract

We show that deep generative neural networks, based on global optimization networks (GLOnets), can be configured to perform the multiobjective and categorical global optimization of photonic devices. A residual network scheme enables GLOnets to evolve from a deep architecture, which is required to properly search the full design space early in the optimization process, to a shallow network that generates a narrow distribution of globally optimal devices. As a proof-of-concept demonstration, we adapt our method to design thin-film stacks consisting of multiple material types. Benchmarks with known globally optimized antireflection structures indicate that GLOnets can find the global optimum with orders of magnitude faster speeds compared to conventional algorithms. We also demonstrate the utility of our method in complex design tasks with its application to incandescent light filters. These results indicate that advanced concepts in deep learning can push the capabilities of inverse design algorithms for photonics.

Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
Grant/Contract Number:
AR0001212
OSTI ID:
1734938
Journal Information:
Nanophotonics, Journal Name: Nanophotonics Journal Issue: 1 Vol. 10; ISSN 2192-8606
Publisher:
Walter de Gruyter GmbHCopyright Statement
Country of Publication:
Germany
Language:
English

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