PMD Penalty Monitor for Automatic PMD Compensation of 40-Gb/s RZ Data Pajntar, R. ; Vidmar, M. ; Suche, H. ; Paoletti, A. ; Schiffini, A. Abstract Publication: IEEE Photonics Technology Letters Pub Date: April 2004 DOI: 10.1109/LPT.2004.824663 Bibcode: 2004IPTL...16.1203P