Space division optoelectronic switch device

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Details

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.

REFERENCES:
patent: 3542451 (1970-11-01), Washburn
patent: 3792239 (1974-02-01), Ohlhaber
patent: 3920982 (1975-11-01), Harris
patent: 3977762 (1976-08-01), Sandbank
patent: 4070093 (1978-01-01), Schwartz
patent: 4444458 (1984-04-01), Stowe et al.
patent: 4528695 (1985-07-01), Khoe
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.

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