Optical node with add-drop or cross-connect functionality

Details Optical node with add-drop or cross-connect functionality Optical node with add-drop or cross-connect functionality

2005-08-16

2005-08-16

Kim, Ellen E. (Department: 2874)

Optical waveguides

With optical coupler

Plural

C385S017000, C398S043000

Reexamination Certificate

active

06931175

ABSTRACT:
An optical network node is provided having add-drop and/or cross-connect functions, wherein the optical network node includes a first optical line with a first drop branch and a first add branch, and a second optical line with a second drop branch and a second add branch, wherein the first drop branch and the second drop branch are in each case connected to a first cross-connect and to a second cross-connect, the first add branch is connected to the first cross-connect and to the second cross-connect via a first wavelength converter, and the second add branch is connected to the first cross-connect and to the second cross-connect via a second wavelength converter.

REFERENCES:
patent: 5986783 (1999-11-01), McAdams et al.
patent: 6262821 (2001-07-01), Fevrier et al.
patent: 6272154 (2001-08-01), Bala et al.
patent: 6404940 (2002-06-01), Tsuyama et al.
patent: 2002/0012143 (2002-01-01), Graves et al.
patent: 2002/0131678 (2002-09-01), Bentivoglio Ravasui et al.
patent: 0 620 694 (1994-10-01), None
patent: 0 752 794 (1997-01-01), None
patent: 0 905 936 (1999-03-01), None

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