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Inverse design enables large-scale high-performance meta-optics reshaping virtual reality

Engineering and Technology

Inverse design enables large-scale high-performance meta-optics reshaping virtual reality

Z. Li, R. Pestourie, et al.

Explore the future of virtual reality with a groundbreaking inverse-design framework for large-scale complex meta-optics, developed by Zhaoyi Li, Raphaël Pestourie, Joon-Suh Park, Yao-Wei Huang, Steven G. Johnson, and Federico Capasso. This innovative approach overcomes design challenges, resulting in aberration-corrected metalenses with impressive capabilities for polychromatic focusing.

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Playback language: English
Abstract
Conventional forward design of meta-optics faces challenges as functionality complexity and device size scale up. This paper presents a general inverse-design framework for aperiodic large-scale (20k × 20k × 22) complex meta-optics in three dimensions, mitigating computational cost via a fast approximate solver and an adjoint method. The framework incorporates fabrication constraints using a surrogate model. Experiments demonstrate aberration-corrected metalenses in the visible with high numerical aperture, polychromatic focusing, and large diameter (centimeter scale). A meta-eyepiece and laser back-illuminated micro-LCD demonstrate the potential for virtual reality applications.
Publisher
Nature Communications
Published On
May 03, 2022
Authors
Zhaoyi Li, Raphaël Pestourie, Joon-Suh Park, Yao-Wei Huang, Steven G. Johnson, Federico Capasso
Tags
meta-optics
inverse design
large-scale fabrication
aberration correction
virtual reality
polychromatic focusing
three-dimensional

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