Wavelength-selective routing using an optical add/drop...

Details Wavelength-selective routing using an optical add/drop... Wavelength-selective routing using an optical add/drop...

2006-11-07

2006-11-07

Phan, Hanh (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S079000, C398S082000, C398S045000, C398S046000, C398S048000, C398S049000, C398S050000, C398S052000, C398S054000, C398S055000, C398S056000, C398S057000, C398S058000, C398S059000, C398S061000, C398S062000, C398S063000, C398S064000, C385S024000, C385S016000, C385S017000, C385S018000

Reexamination Certificate

active

07133616

ABSTRACT:
A wavelength-selective routing capability is provided in a single network element by configuring the network element using a combination of add/drop network elements to route individual optical channels of WDM signals among a plurality of optical transmission paths coupled to the network element. Any optical channel of any WDM signal received at the network element can be selectively added, dropped, or routed among the multiple optical transmission paths within and external to the node.

REFERENCES:
patent: 6101012 (2000-08-01), Danagher et al.
patent: 6608709 (2003-08-01), Duerksen
patent: 6631018 (2003-10-01), Milton et al.
patent: 2001/0040710 (2001-11-01), Sharratt et al.
patent: 2002/0159115 (2002-10-01), Rumer
patent: 2002/0186432 (2002-12-01), Roorda et al.

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