Title :
Upgrading to low loss ROADMs and additional line amplifiers for increased capacity in EDFA and Raman flexgrid networks
Author :
Mitra, Abhijit ; Lord, Andrew ; Kar, Soummya ; Wright, Paul ; Desbruslais, Steve
Author_Institution :
British Telecom, Ipswich, UK
Abstract :
Targeted use of low noise ROADMs and Raman amplifiers provide increased network capacity for minimal additional equipment. For Raman amplifiers with frequency granularities of 50 GHz and 12.5 GHz, 19.5Tbps and 30 Tbps extra network capacity is available for BT´s core network.
Keywords :
erbium; multiplexing equipment; optical fibre amplifiers; optical fibre networks; BT core network; EDFA; Er; Raman amplifiers; Raman flexgrid networks; bit rate 19.5 Tbit/s; bit rate 30 Tbit/s; frequency 12.5 GHz; frequency 50 GHz; line amplifiers; low loss ROADMs; low noise ROADMs; network capacity; Erbium-doped fiber amplifiers; Noise; Optical add-drop multiplexers; Optical fiber amplifiers; Optical noise; Stimulated emission;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964027
