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Achromatic Metalens Over a Continuous Visible Bandwidth

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Acknowledgements

This work was supported by the Air Force Office of Scientific Research (MURI, grant no. FA9550-14-1-0389 and grant no. FA9550-16-1-0156). This work was performed in part at the Center for Nanoscale Systems (CNS), a member of the National Nanotechnology Coordinated Infrastructure (NNCI), which is supported by the National Science Foundation under NSF award no. 1541959. CNS is part of Harvard University. F.C. gratefully acknowledges a gift from Huawei Inc. under its HIRP FLAGSHIP programme. We thank Y.-W. Huang and J. Sisler for their help with measurements and simulations, respectively.

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Authors and Affiliations

  1. Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA

    Wei Ting Chen, Alexander Y. Zhu, Vyshakh Sanjeev, Mohammadreza Khorasaninejad, Eric Lee & Federico Capasso

  2. University of Waterloo, Waterloo, ON, Canada

    Vyshakh Sanjeev & Eric Lee

  3. Department of Physics, Harvard University, Cambridge, MA, USA

    Zhujun Shi

Contributions

W.T.C. and F.C. conceived the study. A.Y.Z. fabricated the metalenses. W.T.C., V.S., M.K., Z.S. and E.L. performed simulations and developed codes. W.T.C., A.Y.Z. and E.L. measured the metalenses. W.T.C., A.Y.Z., M.K. and F.C. wrote the manuscript. All authors discussed the results and commented on the manuscript.

Corresponding author

Correspondence to Federico Capasso.

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The authors declare no competing financial interests.

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Chen, W.T., Zhu, A.Y., Sanjeev, V. et al. A broadband achromatic metalens for focusing and imaging in the visible. Nature Nanotech 13, 220–226 (2018). https://doi.org/10.1038/s41565-017-0034-6

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