Title :
Analog electrical phase noise compensation for coherent optical receivers
Author :
Olsson, Bengt-Erik ; Larsson, C. ; Martensson, Jonas ; Alping, Arne
Author_Institution :
Ericsson AB, Mölndal, Sweden
Abstract :
The applicability of optical phase noise compensation in the analog electrical domain is presented and experimentally investigated. Frequency noise power density can be reduced two orders of magnitude, enabling the use of low-cost DFB lasers for advanced modulation formats like 16-QAM.
Keywords :
distributed feedback lasers; optical modulation; optical noise; optical receivers; phase noise; 16-QAM modulation; analog electrical phase noise compensation; coherent optical receivers; frequency noise power density; low-cost DFB lasers; optical phase noise compensation; Laser noise; Measurement by laser beam; Optical receivers; Optical transmitters; Phase noise; Radio frequency;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam