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

John O’Carroll | Zendy; Richard Phelan | Zendy; Brian Kelly | Zendy; Diarmuid Byrne | Zendy; Liam P. Barry | Zendy; J. O’Gorman | Zendy

Open Access

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

Author(s) -

John O’Carroll,

Richard Phelan,

Brian Kelly,

Diarmuid Byrne,

Liam P. Barry,

J. O’Gorman

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.000b90

Subject(s) - laser linewidth , materials science , optics , laser , optoelectronics , diode , semiconductor laser theory , optical communication , physics

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.

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