Resonant diffraction of symmetric and antisymmetric Bloch surface waves on a corrugated periodic multilayer slab
Optics Letters, Vol. 34, Issue 13, pp. 1973-1975 (2009)
http://dx.doi.org/10.1364/OL.34.001973
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Abstract
A mechanism for resonantly diffracting surface waves is presented. Symmetric and antisymmetric Bloch surface modes, prism coupled via evanescent coupling on a one-dimensional photonic crystal slab, are backdiffracted by means of a very shallow sinusoidal grating located on the top of the slab. At a given wavelength, resonant diffraction is produced when the grating vector equals the spatial beat frequency between the two modes. The presented mechanism is particularly attractive in optical sensing schemes in which both a high surface sensitivity and high diffraction efficiencies are required.
© 2009 Optical Society of America
OCIS Codes
(240.6690) Optics at surfaces : Surface waves
(050.5298) Diffraction and gratings : Photonic crystals
ToC Category:
Optics at Surfaces
History
Original Manuscript: February 17, 2009
Revised Manuscript: May 27, 2009
Manuscript Accepted: May 31, 2009
Published: June 23, 2009
Citation
Emiliano Descrovi, "Resonant diffraction of symmetric and antisymmetric Bloch surface waves on a corrugated periodic multilayer slab," Opt. Lett. 34, 1973-1975 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-13-1973
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