1. NICT,Tokyo,Japan,184-8795
2. Nokia Bell Labs,New Providence,NJ,USA,07974
3. Prysmian Group,Haisnes Cedex,France,62092
4. Prysmian Group,Eindhoven,CA,The Netherlands,5651
5. University of L'Aquila and CNIT,L'Aquila,Italy,67100
6. Eindhoven University of Technology,High Capacity Optical Transmission Lab,Eindhoven,The Netherlands