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High-Speed Oxide Confined 850-nm VCSELs Operating Error-Free at 40 Gb/s up to 85 ^{\circ}{\rm C}

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8 Author(s)
Petter Westbergh ; Department of Microtechnology and Nanoscience, Photonics Laboratory, Chalmers University of Technology, Göteborg, Sweden ; Rashid Safaisini ; Erik Haglund ; Johan S. Gustavsson
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We present the temperature dependence of the performance characteristics of our latest generation high-speed oxide confined 850-nm vertical cavity surface-emitting lasers (VCSELs). Using a 7- \mu{\rm m} oxide aperture diameter VCSEL, we demonstrate a maximum modulation bandwidth of {\sim}{\rm 27}~{\rm GHz} at room temperature and {\sim}{\rm 21}~{\rm GHz} at 85 ^{\circ}{\rm C} . With a new high-speed optical receiver, these bandwidths enable error-free data transmission (defined as a bit-error-rate {< }10^{-12} ) at bit-rates up to 47 Gb/s at room temperature, and up to 40 Gb/s at 85 ^{\circ}{\rm C} .

Published in:

IEEE Photonics Technology Letters  (Volume:25 ,  Issue: 8 )