Wide temperature range 0 < T < 85 °C narrow linewidth discrete mode laser diodes for coherent communications applications

• DOI: 10.1364/oe.19.000b90
• Publication Date: 2011-11-17T19:13:08Z
• Authors: John O’Carroll; Richard Phelan; Brian Kelly; Diarmuid Byrne; Liam P. Barry; James O’Gorman
• Keywords: Laser linewidth

Cost effective lasers meeting the linewidth requirements for coherent communication systems are a key element in reducing overall cost of future systems. We report on monolithic devices with linewidths as low 138 kHz which operate narrow linewidth, single wavelength mode high sidemode suppression ratio over wide temperature tuning range -10 °C < T 110 °C. A variation only 23 was measured at constant emitted power 4 mW device is varied 0 85