Optical interconnection network
First Claim
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1. An optical interconnection network comprising:
- an optical signal bus having a first substrate supporting a plurality of optical waveguides, the waveguides each having a flat surface substantially co-planar with a surface of the substrate,at least one connector module for connection to the bus, the module comprising a second substrate supporting at least one optical waveguide having a flat surface substantially co-planar with a surface of the second substrate over the length of the module, andmeans for releasably coupling the module to the signal bus in a face-to-face relationship such that an evanescent coupling is formed between a waveguide of the module and a waveguide of the bus.
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Abstract
An optical interconnection network includes an optical bus formed by a D-fibre embedded in a thermoplastic substrate with the flat of the D-fibre flush with the top surface of the substrate. A module similarly constructed is dimensioned to be a push fit in a wall structure formed on the substrate with the fibres and in a position to evanescently couple optical signals from one fibre to the other.
15 Citations
22 Claims
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1. An optical interconnection network comprising:
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an optical signal bus having a first substrate supporting a plurality of optical waveguides, the waveguides each having a flat surface substantially co-planar with a surface of the substrate, at least one connector module for connection to the bus, the module comprising a second substrate supporting at least one optical waveguide having a flat surface substantially co-planar with a surface of the second substrate over the length of the module, and means for releasably coupling the module to the signal bus in a face-to-face relationship such that an evanescent coupling is formed between a waveguide of the module and a waveguide of the bus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of optical interconnection comprising:
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providing an optical signal bus having a first substrate supporting a plurality of optical waveguides, the waveguides each having a flat surface substantially co-planar with a surface of the substrate, providing at least one connector module for connection to the bus, the module comprising a second substrate supporting at least one optical waveguide having a flat surface substantially co-planar with a surface of the second substrate over the length of the module, and releasably coupling the module to the signal bus in a face-to-face relationship such that an evanescent coupling is formed between a waveguide of the module and a waveguide of the bus. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification