Topology Optimization of Large-Area Metasurfaces

Zin Lin; Victor Liu; Raphaël Pestourie; Steven G. Johnson

doi:10.1364/CLEO_SI.2019.SW4J.8

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2019),
paper SW4J.8
•https://doi.org/10.1364/CLEO_SI.2019.SW4J.8

Topology Optimization of Large-Area Metasurfaces

Zin Lin, Victor Liu, Raphaël Pestourie, and Steven G. Johnson

CLEO: Science and Innovations 2019

San Jose, California United States
5–10 May 2019
ISBN: 978-1-943580-57-6

From the session
Design & Simulation of Micro- & Nano-photonic Devices (SW4J)

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Z. Lin, V. Liu, R. Pestourie, and S. G. Johnson, "Topology Optimization of Large-Area Metasurfaces," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2019), paper SW4J.8.

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Abstract

We demonstrate an inverse design technique for metasurfaces, based on topology optimization, that can take into account electromagnetic interactions over large surface areas. As an example, we present a multi-layered metalens that can concentrate incident waves at 11 angles to a single focus, optimized over >10⁵ degrees of freedom on a 1200λ surface.

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