Hardware-efficient chromatic dispersion estimator based on parallel gardner timing error detector. - Júlio C. M. Diniz; Stenio M. Ranzini; V. B. Ribeiro; E. C. Magalhaes; Eduardo S. Rosa; V. E. S. Parahyba; L. V. Franz; E. E. Ferreira; Julio C. R. F. Oliveira (OFC/NFOEC, 2013)