Optical waveguide device

Optical waveguides – With optical coupler – Input/output coupler

Reexamination Certificate

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C385S012000, C385S039000

Reexamination Certificate

active

06947634

ABSTRACT:
An optical waveguide device increases the intensity of light transmitted through an optical waveguide for a reduced cost without expanding the area of the light. The optical waveguide device according to the present invention includes an optical waveguide and defining surfaces defining the optical waveguide. The defining surfaces are formed of plasmon activating medium. The defining surface include a pair of inner parts that face each other along a direction perpendicular to a light transmission direction. The distance between the inner parts is less than the half of the wavelength of the light transmitted through the optical waveguide.

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patent: WO 03/001258 (2003-01-01), None
Johnson et al., “Optical constants of the Noble Metals”, Phys. Rev. B. Solid State, American Institute of Physics 6:4370-4379, 1972, XP-001031007.
Schroter et al., “Surface Plasmon Polaritons on Metal Cyoindes with Dielectric Core”, Physical Review B 64:125420-1-125420-10, 2001, XP002259671.
Berini, “Plasmon Polariton Modes Guided by a Metal Film of Finite Width”, Optics Letters, 24:1011-1013, 1999, abstract hhtp://ol.osa.org/abstract.cfm?id=37362, 2004.

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