Patent 7583868 was granted and assigned to Electronics and Telecommunications Research Institute on September, 2009 by the United States Patent and Trademark Office.
A full 3R (re-timing, re-shaping, re-amplifying) recovery system is provided. In the full 3R recovery system, a self-pulsating laser diode (SP-LD) and an electroabsorption modulator (EAM) are integrated and disposed on a semiconductor substrate.