Welcome to the new version of CaltechAUTHORS. Login is currently restricted to library staff. If you notice any issues, please email coda@library.caltech.edu
Published August 9, 2022 | In Press
Journal Article Open

Toward a universal metasurface for optical imaging, communication, and computation


In recent years, active metasurfaces have emerged as a reconfigurable nanophotonic platform for the manipulation of light. Here, application of an external stimulus to resonant subwavelength scatterers enables dynamic control over the wavefront of reflected or transmitted light. In principle, active metasurfaces are capable of controlling key characteristic properties of an electromagnetic wave, such as its amplitude, phase, polarization, spectrum, and momentum. A 'universal' active metasurface should be able to provide independent and continuous control over all characteristic properties of light for deterministic wavefront shaping. In this article, we discuss strategies for the realization of this goal. Specifically, we describe approaches for high performance active metasurfaces, examine pathways for achieving two-dimensional control architectures, and discuss operating configurations for optical imaging, communication, and computation applications based on a universal active metasurface.

Additional Information

© 2022 the author(s), published by De Gruyter, Berlin/Boston. This work is licensed under the Creative Commons Attribution 4.0 International License. Received March 15, 2022; accepted June 28, 2022. This work was supported by the Meta-Imaging MURI grant #FA9550-21-1-0312 from Air Force Office of Scientific Research. P.T. acknowledges support from Meta Platforms, Inc., through the PhD fellowship #C-834952. C.U.H. acknowledges support from the Swiss National Science Foundation through the Early Postdoc Mobility Fellowship grant #P2EZP2_191880. J.S. acknowledges support from the Natural Sciences and Engineering Research Council of Canada (NSERC), #557366. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission. The authors declare no conflicts of interest regarding this article.

Attached Files

In Press - 10.1515_nanoph-2022-0155.pdf


Files (2.2 MB)
Name Size Download all
2.2 MB Preview Download

Additional details

August 22, 2023
October 24, 2023