Title :
Large aperture 850 nm VCSELs operating at bit rates up to 25 Gbit/s
Author :
Westbergh, P. ; Gustavsson, J.S. ; Haglund, A. ; Sunnerud, H. ; Larsson, A.
Author_Institution :
Dept. of Microelectron. & Nanosci., Chalmers Univ. of Technol., Goteborg
Abstract :
Small signal modulation bandwidths in excess of 20 GHz are demonstrated for a 9 m oxide aperture VCSEL emitting at 850 nm. Open eye diagrams are obtained under large signal modulation at bit rates up to 25 Gbit/s with a bias current density of only 10 kA/cm2.
Keywords :
laser beams; optical modulation; quantum well lasers; surface emitting lasers; bias current density; large aperture VCSEL; manufacturing techniques; multiple quantum wells; open eye diagrams; signal modulation; size 9 mum; vertical cavity surface emitting lasers; wavelength 850 nm;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20081475
