13 March 2013 High-speed 850 nm VCSELs with 28 GHz modulation bandwidth for short reach communication
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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.
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Petter Westbergh, Rashid Safaisini, Erik Haglund, Johan S. Gustavsson, Anders Larsson, Andrew Joel, "High-speed 850 nm VCSELs with 28 GHz modulation bandwidth for short reach communication", Proc. SPIE 8639, Vertical-Cavity Surface-Emitting Lasers XVII, 86390X (13 March 2013); doi: 10.1117/12.2001497; https://doi.org/10.1117/12.2001497
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