Data-driven design of metasurface systems (Rising Researcher) (Conference Presentation)

Jonathan A. Fan

doi:10.1117/12.2557973

27 April 2020 Data-driven design of metasurface systems (Rising Researcher) (Conference Presentation)

Jonathan A. Fan

Author Affiliations +

Proceedings Volume 11389, Micro- and Nanotechnology Sensors, Systems, and Applications XII; 113890V (2020) https://doi.org/10.1117/12.2557973
Event: SPIE Defense + Commercial Sensing, 2020, Online Only

Abstract

I will discuss the development and utility of the application of Global Topology Optimization Networks (GLOnets) to metasurface design. GLOnets are generative neural networks that can generate a distribution of metasurface designs from random noise inputs, and they train by using adjoint variables calculations as terms for backpropagation. With metagratings operating across a range of wavelengths and angles as a model system, we show that devices produced from the trained generative network have efficiencies comparable to the best devices produced by gradient-based topology optimization. Our reframing of adjoint-based optimization to the training of a generative neural network applies generally to physical systems that support performance improvements by gradient descent.

Conference Presentation

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Jonathan A. Fan "Data-driven design of metasurface systems (Rising Researcher) (Conference Presentation)", Proc. SPIE 11389, Micro- and Nanotechnology Sensors, Systems, and Applications XII, 113890V (27 April 2020); https://doi.org/10.1117/12.2557973

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