Optical swapping of digitally-encoded optical labels

Details Optical swapping of digitally-encoded optical labels Optical swapping of digitally-encoded optical labels

2005-11-21

2009-12-08

Sedighian, M. R. (Department: 2613)

Optical communications

Multiplex

Optical switching

C398S054000, C398S049000

Reexamination Certificate

active

07630636

ABSTRACT:
A method and a device are provided for swapping optical labels in an optical communication network. Optical information, including payload data and label data digitally encoded into the optical information, is received. At least one group of bits within the optical information is selectively inverted to rewrite the label data with new label data without changing the payload data. Each of the at least one group of inverted bits includes at least two bits and all bits of each of the at least one group of inverted bits are contiguous bits.

REFERENCES:
patent: 6943925 (2005-09-01), Islam
patent: 2002/0071152 (2002-06-01), Blumenthal
patent: 2004/0033074 (2004-02-01), Hsu
patent: 2005/0180750 (2005-08-01), Wada et al.
patent: 2006/0093358 (2006-05-01), Park et al.
patent: 2006/0171721 (2006-08-01), Kim et al.

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