Title :
Experimental investigation of digital compensation of DGD for 112 Gb/s PDM-QPSK clock recovery
Author :
Zibar, Darko ; De Oliveira, Júlio César R F ; Ribeiro, Vitor Bedotti ; Diniz, J.C.M. ; Paradisi, Alberto ; Larsen, Knud J. ; Monroy, Idelfonso Tafur
Author_Institution :
DTU Fotonik, Tech. Univ. of Denmark, Lyngby, Denmark
Abstract :
For the first time, the impact of DGD on clock recovery for 112 Gb/s PDM-QPSK is experimentally investigated and quantified. We propose and experimentally demonstrate novel digital adaptive timing error detector which is robust to DGD.
Keywords :
delay-differential systems; error detection; optical signal detection; quadrature phase shift keying; synchronisation; DGD; PDM-QPSK clock recovery; bit rate 112 Gbit/s; digital adaptive timing error detector; digital compensation; Adaptive optics; Clocks; Detectors; Gain; Optical filters; Optical polarization; Timing;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
