Network element for use in an optical communication network,...

Details Network element for use in an optical communication network,... Network element for use in an optical communication network,...

2007-10-02

2007-10-02

Singh, Dalzid (Department: 2613)

Optical communications

Transmitter

Including compensation

C398S033000, C398S048000, C398S057000, C398S093000, C398S158000

Reexamination Certificate

active

10824484

ABSTRACT:
The present invention relates to an optical communication network and to a network element for use in such a network. The network element comprises a plurality of receivers (70-76) for receiving optical communication signals, a plurality of transmitters (54-62, 82-86) for transmitting optical communication signals, and a plurality of network connections, each network connection having an individual signal impairment characteristic. The pluralities of receivers (70-76) and transmitters (54-62, 82-86) are adapted to employ a plurality of different modulation schemes (64, 66). Furthermore, the pluralities of receivers (70-76) and transmitters (54-62, 82-86) are assigned to the network connections as a function of the individual signal impairment characteristics.

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Bakhshi et al., Comparision of CRZ, RZ and NRZ modulation formats in a 64×12.3 Gb/s WDM transmission experiment over 9000 km. Optical Society of America 2001.
G. Charlet et al et al, “6.4Tb/s (159×42.7GB/s) Capacity Over 21×100 km Using Bandwidth-Limited Phase shaped Binary Transmission” ECOC.

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