Optical distributor

Details Optical distributor Optical distributor

1992-11-09

1994-10-04

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359120, 359121, 359123, 359178, H04J 1408, H04B 1002

Patent

active

053531450

ABSTRACT:
An optical distributor which comprises M inputs (M>1) each receiving signals. M modules (MT1 to MT4) are connected to the M inputs and each simultaneously process N consecutive signals (N>1). N optical couplers (CO1 to CO4) each having M inputs and 1 output are connected to one of the N outputs. A control means (G) controls the modules and enables the distributor to scramble the signals so that a given signal reaches a given output of the distributor. Each module electronically demultiplexes the N consecutive signals, time rearranges the demultiplexed signals in accordance with the output of the distributor imposed by the control means for each of these signals, transposes the latter into optical form at N different wavelengths and switches each transposed signal to the desired output of the distributor. Such a device finds particular application in optical telecommunication system.

REFERENCES:
patent: 4873681 (1989-10-01), Arthurs et al.
patent: 5005167 (1991-04-01), Arthurs et al.
patent: 5105292 (1992-04-01), Le Roy et al.
patent: 5175640 (1992-12-01), Eng et al.

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