1. Photonic Networks and Technologies Lab − CNIT, Via G. Moruzzi 1, 56124 Pisa, Italy
2. Tecip Institute − Scuola Superiore Sant’Anna, Via G. Moruzzi 1, 56124 Pisa, Italy
3. INPHOTEC, CamGraPhIC srl, Via G. Moruzzi 1, 56124 Pisa, Italy
4. Nokia Bell Laboratories, Magirusstr. 10, 70469 Stuttgart, Germany
5. Nokia Solutions and Networks Italia, via Energy Park 14, 20871 Vimercate, Italy