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Proceedings Paper

Material-dictated fundamental limits to nanophotonic response
Author(s): Owen D. Miller; Hyungki Shim
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Paper Abstract

For what applications are plasmonic materials better than all-dielectric materials, and vice versa? Or 2D materials versus their bulk counterparts? How does the requisite bandwidth affect materials selection? Here, we use the complex-analytic properties of certain optical-response functions in conjunction with novel energy-conservation constraints to derive fundamental limits to near-field optical response for any material, over any bandwidth. We show that certain canonical geometries can approach the bounds at specific frequencies, while at many others there is significant opportunity for structured materials to surpass them by orders of magnitude. We map out a frequency-bandwidth phase space in which we identify optimal materials among plasmonic, all-dielectric, and 2D-material candidates, and we put forward a quantitative material figure of merit to stimulate new-materials discovery.

Paper Details

Date Published: 13 May 2019
PDF: 6 pages
Proc. SPIE 10982, Micro- and Nanotechnology Sensors, Systems, and Applications XI, 109821D (13 May 2019); doi: 10.1117/12.2518124
Show Author Affiliations
Owen D. Miller, Yale Univ. (United States)
Hyungki Shim, Yale Univ. (United States)

Published in SPIE Proceedings Vol. 10982:
Micro- and Nanotechnology Sensors, Systems, and Applications XI
Thomas George; M. Saif Islam, Editor(s)

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