Broadband metasurfaces enabling arbitrarily large delay-bandwidth products

Metasurfaces allow for advanced manipulation of optical signals by imposing phase discontinuities across flat interfaces. Unfortunately, these phase shifts remain restricted to values between 0 and 2 π , limiting the delay-bandwidth product of such sheets. Here, we develop an analytical tool to desi...

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Veröffentlicht in:	Applied physics letters 2016-01, Vol.108 (3)
Hauptverfasser:	Ginis, Vincent, Tassin, Philippe, Koschny, Thomas, Soukoulis, Costas M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Bandwidths Broadband CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Delay Metasurfaces Optical communication Unit cell
Online-Zugang:	Volltext
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