Title :
Improvement due to optically filtered lasers in parallel decision-directed phase recovery for 16-QAM
Author :
Ng, W.C. ; Huynh, Tam N. ; Nguyen, An T. ; Ayotte, S. ; Park, C.S. ; Barry, Liam P. ; Rusch, Leslie A.
Author_Institution :
ECE Dept., Univ. Laval, Quebec City, QC, Canada
fDate :
June 30 2013-July 4 2013
Abstract :
We experimentally show optically filtered lasers reduce OSNR penalty due to phase tracking error up to 3 dB for two parallel decision directed algorithms with feedback delay in an 11 Gbaud/s 16QAM coherent system.
Keywords :
Bragg gratings; optical communication equipment; optical filters; optical modulation; quadrature amplitude modulation; 16-QAM; OSNR penalty reduction; optically filtered laser; parallel decision directed algorithm; parallel decision directed phase recovery; phase tracking error; Delays; Laser feedback; Optical filters; Optical noise; Prototypes; Signal to noise ratio;
Conference_Titel :
OptoElectronics and Communications Conference held jointly with 2013 International Conference on Photonics in Switching (OECC/PS), 2013 18th
Conference_Location :
Kyoto
