Optical waveguides – With optical coupler – Particular coupling structure
Patent
1992-05-26
1994-01-11
Ullah, Akm E.
Optical waveguides
With optical coupler
Particular coupling structure
359115, G02B 600, G02B 636
Patent
active
052789276
ABSTRACT:
A system for the scheduled transmission of signals from source stations to destination stations in a passive, static, Single-Hop Interconnection (SHI) employing a plurality of Shared Directional Multichannels (SDMs) in a power-efficient and cost-effective manner. The system provides a practical implementation of any SHI built from a plurality of smaller SDMs whose salient feature is a significant degree of parallelism at low hardware cost while retaining the simplicity and reliability of a passive interconnection. The system is a scheme for wiring a SHI to retain the useful features of a SDM design for connecting (m) Source Stations each having (a) outputs to (n) Destination Stations each having one input such that, for m=n, the power split losses are reduced to a provably optimal value of (2n/a) and component count reduced to anlog.sub.2 (n/a), which is optimal for the optimal power split constraint. A SHI for any number of source and destination stations with any input and output count can be optimally constructed by the method of this invention. The passive efficient SHI of this invention outperforms the conventional passive bus-oriented SHI in channel concurrency with fewer components.
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Bus-Oriented Interconnection Topologies . . . by Y. Birk et al.; IEEE 1988; pp. 558-567.
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International Business Machines - Corporation
Ullah Akm E.
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