Title :
Low linewidth discrete mode lasers for coherent communications applications
Author :
Phelan, R. ; O´Carroll, J. ; Bryne, D. ; Lennox, R. ; Carney, K. ; Barry, Liam P. ; Kelly, B.
Author_Institution :
Eblana Photonics, Dublin, Ireland
Abstract :
Phase noise measurements have been made on a free-running discrete mode laser diode operating at 1550 nm. We demonstrate emission linewidths as low as 70 kHz at 8.6-mW output power and characterise the device in a 16-QAM transmission setup.
Keywords :
fibre lasers; optical fibre communication; optical modulation; quadrature amplitude modulation; 16-QAM transmission setup; coherent communications applications; coherent optical communications; emission linewidths; free-running discrete mode laser diode; frequency 70 kHz; low linewidth discrete mode lasers; phase noise measurements; power 8.6 mW; Current measurement; Laser modes; Laser noise; Laser tuning; Measurement by laser beam; Semiconductor device measurement;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964220
