Chalmers VCSELs (image) The Optical Society Caption In the foreground are two Chalmers VCSELs. The one on the left has a 6um aperture and could operate error free up to 62Gb/s while the one on the right has a 5um aperture and set the equipment limited record of 64Gb/s. Behind the two VCSELs is IBM's BiCMOS8HP VCSEL driver IC. On either side of the IC are the decoupling capacitors and connecting wirebonds. Credit IBM Usage Restrictions Must include caption and credit. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.