Patent
1984-05-30
1987-03-31
Sikes, William L.
350 9615, 350 9621, G02B 640
Patent
active
046538500
ABSTRACT:
The device comprises, for coupling the accesses of N first elements (fa) with the accesses of N second elements (fp) an distributer assembly (10) constituted by a stack of P flat and rigid distribution plates (11) having N waveguides (h) each coupled to the access of one of the second elements (fp) and a concentrator-selector assembly (20) constituted by a stack of N flat and rigid concentration and selection plates (21) having P waveguides and including an integrated strip (31) of P photodiodes which are coupled to the ends of the P waveguides, said assemblies being assembled to each other to couple the individual waveguides together. It is particularly applicable to optically broadcasting P programs to N subscribers.
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Bloem et al., IBM Tech. Disc. Bull., 16(1), Jun. 1973, "Fiber-Optic Coupler", pp. 146-147.
IEEE Journal of Quantum Electronics, vol. QE-17, No. 8, Aug. 1981, pp. 1539-1546.
(Hara et al.) "A High Speed Optoelectronic Matrix Switch . . . ", National Telecommunications Conference, vol. 2, Nov. 29-Dec. 3, 1981.
(Hara et al.) "Applications of the Optoelectronic Matrix Switch to . . . ".
Young et al., Electronics Letters, vol. 17, No. 16, Aug. 6, 1981, "Cascaded Multipole Switches for Single-Mode and Multimode . . . ", pp. 571-573.
Boirat Robert
Faugeras Philippe
Haux Denis
Mimeur Jacques
Compagnie Industrielle des Telecommunications Cit-Alcatel
Gonzalez Frank
Sikes William L.
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