Optical coupler module in a distributed processing system

Details Optical coupler module in a distributed processing system Optical coupler module in a distributed processing system

1978-09-05

1980-11-18

Ruggiero, Joseph F.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

350 9616, H04B 900, G02B 5172

Patent

active

042349680

ABSTRACT:
An optically linked distributed data processing system having a plurality of stations and first and second transmission lines associated with each station. The first transmission line carries optical signals to its associated station and the second transmission line carries optical signals from its associated station. An active optical coupler module couples each first transmission line to every second transmission line. The coupler module includes a tapered waveguide for directing the optical signals from each of the first transmission lines to a single optical path, an optical detector for converting the optical signals to electrical signals, an amplifier for amplifying the electrical signals. In one embodiment a single optical source converts the amplified electrical signals back to optical signals, and in a second embodiment a plurality of optical sources, one for each of the second transmission lines, convert the amplified electrical signals back to optical signals.

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patent: 4107518 (1978-08-01), McMahon
patent: 4112293 (1978-09-01), Kach
patent: 4161650 (1979-07-01), Caouette et al.
patent: 4161651 (1979-07-01), Sano et al.
Rawson and Metcalfe, "Fibernet: Multimode Optical Fibers For Local Computer Networks"--IEEE Transactions on Communications, vol. Com-26, No. 7, Jul. 1978--pp. 983-990.

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