Diffraction grating revisited: a high-resolution plasmonic dispersive element

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dc.creatorMikhailov, V.
dc.creatorElliott, J.
dc.creatorWurtz, G.
dc.creatorBayvel, P.
dc.creatorZayats, A. V.
dc.date2005-09-08
dc.date.accessioned2026-07-25T15:54:44Z
dc.descriptionThe spectral dispersion of light is critical in applications ranging from spectroscopy to sensing and optical communication technologies. We demonstrate that ultra-high spectral dispersion can be achieved with a finite-size surface plasmon polaritonic (SPP) crystal. The 3D to 2D reduction in light diffraction dimensions due to interaction of light with collective electron modes in a metal is shown to increase the dispersion by some two orders of magnitude, due to a two-stage process: (i) conversion of the incident light to SPP Bloch waves on a nanostructured surface and (ii) Bloch waves traversing the SPP crystal boundary. This has potential for high-resolution spectrograph applications in photonics, optical communications and lab-on-a-chip, all within a planar device which is compact and easy to fabricate.
dc.description14 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0509222
dc.identifierhttp://arxiv.org/abs/cond-mat/0509222
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/38054
dc.subjectStrongly Correlated Electrons
dc.titleDiffraction grating revisited: a high-resolution plasmonic dispersive element
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