Optical waveguides – Planar optical waveguide
Reexamination Certificate
2005-02-22
2005-02-22
Lee, Diane I. (Department: 2876)
Optical waveguides
Planar optical waveguide
Reexamination Certificate
active
06859601
ABSTRACT:
An optical waveguide-integrated substrate includes a first optical waveguide on part of one side (referred to as the first side) of a substrate and a second optical waveguide on part of the other side (referred to as the second side) of the substrate. Both optical waveguides include a core and a cladding layer enclosing the core. A method for producing an optical waveguide-integrated substrate inpludes preparing a substrate, forming a first optical waveguide on part of the first side of the substrate, and forming a second optical waveguide on part of the second side of the substrate at a temperature different from that for forming the first optical waveguide. An optical transceiver includes the optical waveguide-integrated substrate, at least one optical-signal-transmitting device mounted on the remaining part of the first side of the substrate, and at least one optical-signal-receiving device mounted on the remaining part of the second side of the substrate.
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Lee Diane I.
Smith , Gambrell & Russell, LLP
Sumitomo Electric Industries Ltd.
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