We demonstrate the existence of a bound optical mode supported by a slot in a thin metallic film deposited on a substrate, with slot dimensions much smaller than the wavelength.
© 2006 Optical Society of America
(130.0130) Integrated optics : Integrated optics
(130.2790) Integrated optics : Guided waves
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons
G. Veronis and S. Fan, "Subwavelength Plasmonic Waveguide Structures Based on Slots in Thin Metal Films," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper JThC94.
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