Modulation Characteristics of High-Speed and High-Temperature Stable 980 nm Range VCSELs Operating Error Free at 25 Gbit/s up to 85 °C

High-speed oxide-confined 980 nm vertical cavity surface emitting lasers (VCSELs), exhibiting very temperature stable static and dynamic characteristics, are presented, which are well-suited for future optical data link and high-performance computing applications. Error-free operation at data rates...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2011-11, Vol.17 (6), p.1568-1575
Main Authors: Mutig, A., Lott, J. A., Blokhin, S. A., Moser, P., Wolf, P., Hofmann, W., Nadtochiy, A. A., Bimberg, D.
Format: Article
Language:English
Subjects:
Apertures
High-speed modulation
Modulation
Optical interconnections
optical interconnects
Semiconductor lasers
short-reach fiber optic links
Vertical cavity surface emitting lasers
vertical-cavity surface-emitting lasers (VCSELs)
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Summary:High-speed oxide-confined 980 nm vertical cavity surface emitting lasers (VCSELs), exhibiting very temperature stable static and dynamic characteristics, are presented, which are well-suited for future optical data link and high-performance computing applications. Error-free operation at data rates of 25 Gbit/s in a wide temperature range from 25 to 85 °C is achieved without the need to adjust any of the electrical driving parameters. Small-signal modulation of VCSELs with different oxide aperture diameters is analyzed to identify the primary mechanisms that control device modulation rate by extracting the standard two-pole rate equation parameters.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2010.2098851