Octave bandwidth photonic fishnet-achromatic-metalens

Ndao, Abdoulaye; Hsu, Liyi; Ha, Jeongho; Park, Jun-Hee; Chang-Hasnain, Connie; Kanté, Boubacar

doi:10.1038/s41467-020-17015-9

Title: Octave bandwidth photonic fishnet-achromatic-metalens

Journal Article · Thu Jun 25 00:00:00 EDT 2020 · Nature Communications

DOI:https://doi.org/10.1038/s41467-020-17015-9· OSTI ID:1647020

Ndao, Abdoulaye ^[1]; Hsu, Liyi ^[1]; Ha, Jeongho ^[1]; Park, Jun-Hee ^[1]; Chang-Hasnain, Connie ^[2];

^[3]

Univ. of California, Berkeley, CA (United States); Univ. of California San Diego, La Jolla, CA (United States)
Univ. of California, Berkeley, CA (United States)
Univ. of California, Berkeley, CA (United States); Univ. of California San Diego, La Jolla, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Planar structured interfaces, also known as metasurfaces, are continuously attracting interest owing to their ability to manipulate fundamental attributes of light, including angular momentum, phase, or polarization. However, chromatic aberration, limiting broadband operation, has remained a challenge for metasurfaces-based optical components and imagers. The limitation stems from the intrinsic dispersion of existing materials and design principles. Here we report and experimentally demonstrate polarization-independent fishnet-achromatic-metalenses with measured average efficiencies over 70% in the continuous band from the visible (640 nm) to the infrared (1200 nm). Results of the scalable platform are enabling for applications requiring broad bandwidth and high efficiency including energy harvesting, virtual reality and information processing devices, or medical imaging.

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Research Organization:: Univ. of California, San Diego, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office; National Science Foundation (NSF); US Department of the Navy, Office of Naval Research (ONR); Defense Advanced Research Projects Agency (DARPA); USDOE Office of Science (SC)

Grant/Contract Number:: EE0007341; ECCS-1554021; N00014-17-1-2671; N00014-17-1-2442; HR00111820038; ECCS-1542148; AC02-05CH11231

OSTI ID:: 1647020

Alternate ID(s):: OSTI ID: 1713234

Journal Information:: Nature Communications, Vol. 11, Issue 1; ISSN 2041-1723

Publisher:: Nature Publishing GroupCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 69 works

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nanophotonics and plasmonics
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Title: Octave bandwidth photonic fishnet-achromatic-metalens

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