Abstract
In 0.53 Ga 0.47 As p-i-n photodiode based OC-192 receiver grown on linearly graded metamorphic In x Ga 1-x P buffered GaAs with ultra-low dark current of 3.6fA/μm 2 , switching response of 41ps, bitor-rate of 10 -12 , and sensitivity of-19dBm are reported. © 2006 Optical Society of America.