Optical waveguides – Planar optical waveguide
Reexamination Certificate
2008-07-08
2008-07-08
Bovernick, Rodney (Department: 2874)
Optical waveguides
Planar optical waveguide
C385S131000, C385S050000
Reexamination Certificate
active
07397995
ABSTRACT:
A multiple-core planar optical waveguide comprises: a substantially planar waveguide substrate; a lower waveguide core; an upper waveguide core; lower cladding between the substrate and the lower waveguide core; middle cladding between the waveguide cores; and upper cladding above the upper waveguide core. Overlapping portions of the waveguide cores are positioned one above the other and substantially parallel. The lower, middle, and upper claddings have refractive indices less than refractive indices of the lower and upper waveguide cores. The widths of the waveguide cores are substantially larger their thicknesses along their overlapping portions. The overlapping portions of the waveguide cores jointly support a propagating optical mode.
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Blauvelt Henry A.
Paslaski Joel S.
Vernooy David W.
Alavi David S.
Bovernick Rodney
Christie Parker & Hale LLP
Hoya Corporation USA
Rojas Omar
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