Proceedings of 2007 9th International Conference on Transparent Optical Networks organized by National Institute of Telecommunications, Warsaw, Poland, L'Istituto Superiore delle Comunicazioni e delle Tecnologie dell'Informazione ISCOM of the Italian Communication Ministry ; under sponsorship of Universita degli Studi "Roma Tre" ... [et al.] ; under technical co-sponsorship of IEEE/LEOS ; [editor, Marian Marciniak]. - Marciniak, Marian (IEEE, 2007)