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Proceedings Paper

High-speed 850-nm VCSELs with 28 GHz modulation bandwidth for short reach communication
Author(s): Petter Westbergh; Rashid Safaisini; Erik Haglund; Johan S. Gustavsson; Anders Larsson; Andrew Joel
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Paper Abstract

We present results from our new generation of high performance 850 nm oxide confined vertical cavity surface-emitting lasers (VCSELs). With devices optimized for high-speed operation under direct modulation, we achieve record high 3dB modulation bandwidths of 28 GHz for ~4 μm oxide aperture diameter VCSELs, and 27 GHz for devices with a ~7 μm oxide aperture diameter. Combined with a high-speed photoreceiver, the ~7 μm VCSEL enables error-free transmission at data rates up to 47 Gbit/s at room temperature, and up to 40 Gbit/s at 85°C.

Paper Details

Date Published: 13 March 2013
PDF: 6 pages
Proc. SPIE 8639, Vertical-Cavity Surface-Emitting Lasers XVII, 86390X (13 March 2013); doi: 10.1117/12.2001497
Show Author Affiliations
Petter Westbergh, Chalmers Univ. of Technology (Sweden)
Rashid Safaisini, Chalmers Univ. of Technology (Sweden)
Erik Haglund, Chalmers Univ. of Technology (Sweden)
Johan S. Gustavsson, Chalmers Univ. of Technology (Sweden)
Anders Larsson, Chalmers Univ. of Technology (Sweden)
Andrew Joel, IQE Europe Ltd. (United Kingdom)

Published in SPIE Proceedings Vol. 8639:
Vertical-Cavity Surface-Emitting Lasers XVII
Kent D. Choquette; James K. Guenter, Editor(s)

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