@article{article3fdd00f3, title = {High accuracy and fast acquisition time of polarisation nulling-based OSNR monitor}, author = {Floridia, Claudio and Rocha, Mônica de Lacerda and Moraes, José Carlos de and Bezerra, Edson Kowask}, year = {2010}, doi = {10.1049/el.2010.2974}, journal = {Electronics Letters} }