Fiber-optic address detector in photonic packet switching device

Details Fiber-optic address detector in photonic packet switching device Fiber-optic address detector in photonic packet switching device

1994-12-09

1995-09-12

Bovernick, Rodney B.

Optical waveguides

With optical coupler

Plural

384147, 384134, G02B 628

Patent

active

054505070

ABSTRACT:
A fiber-optic address detector comprises fiber-optic delay lines on one surface of which a metal thin film is evaporated, the fiber-optic delay lines being connected in a melting state to fiber-optic couplers, wherein inputting address photonic signals are tapped by the inputting fiber-optic couplers, reflected by the metal thin films at the end portion of the fiber-optic delay line and then re-combined by the inputting fiber-optic coupler, whereby it can reduce the number of the fiber-optic coupler used in the conventional fiber-optic address detector to one half as well as obtain the same address detection effect.

REFERENCES:
patent: 4859019 (1989-08-01), Bevan
patent: 5071214 (1991-12-01), Jacob et al.
patent: 5206924 (1993-04-01), Kersey
Prucnal, et al.: "Self-routing photonic switching demonstration . . . "; May 1987; pp. 473-475; vol. 25 No. 5; Optical Engineering.
Eiselt, et al.: "New optical correlator technique for header recognition in self-routing networks"; pp. 199-200; OFC/IOOC 1993 Technical Digest.
Glesk, et al.: "All-optical address recognition and self-routing in a 250 Gbit/s packet-switched network"; Aug. 4, 1994; pp. 1322-1323; Electronics Letters, vol. 30, No. 16.

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