Design of scalable metalens array for optical addressing
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Published:2022-08-04
Issue:1
Volume:15
Page:
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ISSN:2095-2759
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Container-title:Frontiers of Optoelectronics
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language:en
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Short-container-title:Front. Optoelectron.
Author:
Hu Tie,Feng Xing,Yang Zhenyu,Zhao Ming
Abstract
AbstractLarge-scale trapped-ion quantum computers hold great promise to outperform classical computers and are crucially desirable for finance, pharmaceutical industry, fundamental chemistry and other fields. Currently, a big challenge for trapped-ion quantum computers is the poor scalability mainly brought by the optical elements that are used for optical addressing. Metasurfaces provide a promising solution due to their excellent flexibility and integration ability. Here, we propose and numerically demonstrate a scalable off-axis metalens array for optical addressing working at the wavelength of 350 nm. Metalens arrays designed for x linearly polarized and left circularly polarized light respectively can focus the collimated addressing beam array into a compact focused spot array with spot spacing of 5 μm, featuring crosstalk below 0.82%.
Graphical Abstract
Publisher
Springer Science and Business Media LLC
Subject
Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials
Reference41 articles.
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