Error-free 250 km transmission in standard fibre using compact 10 Gbit/s chirp-managed directly modulated lasers (CML) at 1550 nm

Abstract
10 Gbit/s transmission over 250 km of standard fibre at 1550 nm with 4.8 dB penalty using a transmitter comprising a directly modulated DFB laser, a multi-cavity filter and a standard receiver, is demonstrated.