US . Patent Jan

Veronis et al., “Theoretical investigation of compact couplers between dielectric slab Waveguides and two-dimensional metal-di electric-metal plasmonic Waveguides,” Feb. 5, 2007, Optics Express, vol. 15, No. 3, pp. 1211-1221.* Barnes, W., et al., “Surface plasmon subwavelength optics,” Nature Publishing Group, Aug. 14, 2003, vol. 424, pp. 824-830. BoZhevolnyi, S., et al., “Channel Plasmon-Polariton Guiding by Subwavelength Metal Grooves,” Physical Review Letters, Jul. 22, 2005, The American Physical Society, PRL 95, pp. 1-4. BoZhevolnyi, S ., et al., “Channel plasmon subwavelength Waveguide components including interferometers and ring resonators,” Nature Publishing Group, Mar. 2006, vol. 440/23, pp. 508-511. Ebbesen, T., et al., “Extraordinary optical transmission through sub Wavelength hole arrays,” Nature Macmillan Publishers Ltd., Feb. 12, 1998, vol. 391, pp. 667-669. Fang, N., et al., “Sub-Diffraction-Limited Optical Imaging With a Silver Superlens,” Science, Apr. 22, 2005, vol. 308, pp. 534-537, (wwwsciencemagorg). Gay, G., et al., “The optical response of nanostructured surfaces and the composite diffracted evanescent Wave model,” Nature Publishing Group, Apr. 2006, vol. 2, pp. 262-267, (http://WWW.nature.com/ nphys/j ournal/v2/n4/full/nphys264.htrnl).