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Large aperture 850 nm VCSEL operating at 28 Gbit/s

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4 Author(s)
P. Westbergh ; Photonics Laboratory, Department of Microtechnology and Nanoscience, Chalmers University of Technology, Göteborg SE-412 96, Sweden ; J. S. Gustavsson ; A. Haglund ; A. Larsson

We report on large aperture, oxide-confined VCSELs at 850 nm with modulation bandwidths in excess of 20 GHz and demonstrate large-signal modulation up to 28 Gbit/s at a bias current density of only 10 kA/cm2.

Published in:

2008 IEEE 21st International Semiconductor Laser Conference

Date of Conference:

14-18 Sept. 2008