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

Cost effective lasers meeting the linewidth requirements for coherent communication systems are a key element in reducing the overall cost of future coherent systems. We report on monolithic devices with linewidths as low as 138 kHz which operate in a narrow linewidth, single wavelength mode with hi...

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Bibliographic Details
Published in:Optics express 2011-12, Vol.19 (26), p.B90-B95
Main Authors: O'Carroll, John, Phelan, Richard, Kelly, Brian, Byrne, Diarmuid, Barry, Liam P, O'Gorman, James
Format: Article
Language:English
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Summary:Cost effective lasers meeting the linewidth requirements for coherent communication systems are a key element in reducing the overall cost of future coherent systems. We report on monolithic devices with linewidths as low as 138 kHz which operate in a narrow linewidth, single wavelength mode with high sidemode suppression ratio over a wide temperature tuning range of -10 °C < T < 110 °C. A linewidth variation of only 23 kHz was measured at a constant emitted power of 4 mW as the device temperature is varied in the range 0 °C < T < 85 °C.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.19.000B90