Methods and devices for providing optical, serviced-enabled...

Optical waveguides – With optical coupler – Switch

Reexamination Certificate

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C398S045000, C398S049000, C398S050000, C398S056000, C398S147000, C398S175000, C398S177000, C398S025000, C398S048000, C370S360000, C370S431000, C359S334000

Reexamination Certificate

active

07620273

ABSTRACT:
A technique for improving optical cross-connections comprises placing a switch in front of a number of processing units. So configured, the units are no longer dedicated to a specific link or signal. When necessary, a unit is connected/disconnected to one or more optical links by the switch to carry out any number of processing functions, such as regeneration, Raman pumping, dispersion equalization/compensation or performance monitoring. Because the units are no longer dedicated to specific links the cost of the cross-connections and the network it is a part of can be reduced.

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patent: 6331906 (2001-12-01), Sharma et al.
patent: 6624927 (2003-09-01), Wong et al.
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patent: WO 98/47039 (1998-10-01), None
Parys, Wim Van; Arijs, Peter; and Antonis, Olivier Quantifying the benefits of Selective Wavelength Regeneration in ultra long-haul WDM networks; Optical Society of America paper TuT4-1, OFC 2000.
Parys, Wim Van; Arjs, Peter; Evolution Towards Transparent Optical Networks Using Selective Wavelength Regeneration and Conversion; NFOEC 2000.
Lehr, G. et al., “Management of All-Optical WDM Networks, First Results of European Research Project Moon”, 1998 IEEE Network Operations and Management Syposium, Feb. 15-20, 1998, vol. 3, pp. 870-879.

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