Ultrafast Coherent Absorption in Diamond Metamaterials

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 30(2018), 14 vom: 03. Apr., Seite e1707354
1. Verfasser: Karvounis, Artemios (VerfasserIn)
Weitere Verfasser: Nalla, Venkatram, MacDonald, Kevin F, Zheludev, Nikolay I
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article coherent absorption diamond photonic metamaterials ultrafast all-optical switching
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520 |a Diamond is introduced as a material platform for visible/near-infrared photonic metamaterials, with a nanostructured polycrystalline diamond metasurface only 170 nm thick providing an experimental demonstration of coherent light-by-light modulation at few-optical-cycle (6 fs) pulse durations. "Coherent control" of absorption in planar (subwavelength-thickness) materials has emerged recently as a mechanism for high-contrast all-optical gating, with a speed of response that is limited only by the spectral width of the absorption line. It is shown here that a free-standing diamond membrane structured by focused ion beam milling can provide strong, spectrally near-flat absorption over a visible to near-infrared wavelength range that is wide enough (wider than is characteristically achievable in plasmonic metal metasurfaces) to facilitate coherent modulation of ultrashort optical pulses comprising only a few oscillations of electromagnetic field 
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700 1 |a Nalla, Venkatram  |e verfasserin  |4 aut 
700 1 |a MacDonald, Kevin F  |e verfasserin  |4 aut 
700 1 |a Zheludev, Nikolay I  |e verfasserin  |4 aut 
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