Title :
Rate equation-based phase recovery for semiconductor laser coherent transmitters
Author :
Piels, Molly ; Iglesias Olmedo, Miguel ; Xiaodan Pang ; Schatz, Richard ; Jacobsen, Gunnar ; Popov, Sergei ; Zibar, Darko
Author_Institution :
DTU Fotonik, Tech. Univ. of Denmark, Lyngby, Denmark
Abstract :
We present a novel carrier recovery technique for coherent systems with semiconductor lasers that incorporates the laser dynamics. A sensitivity improvement of 8dB over a decision-directed phase-locked loop is achieved experimentally for 28GBd DP-16QAM.
Keywords :
optical transmitters; phase locked loops; quadrature amplitude modulation; semiconductor lasers; DP-16QAM; carrier recovery technique; decision-directed phase-locked loop; laser dynamics; rate equation-based phase recovery; semiconductor laser coherent transmitters; sensitivity improvement; Kalman filters; Laser modes; Laser noise; Laser transitions; Phase noise; Semiconductor lasers;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
