40-Gbit/s EADFB laser integrated with short cavity SOA improving chirp characteristics with low power consumption

We demonstrate 40-Gbit/s operation by chirp control and increased output power employing an EADFB laser integrated with short-cavity SOA. We achieved 5-km SMF transmission in the 1.55-μm wavelength with lower power consumption than a stand-alone EADFB.