Transmission Over 360 km Using a 2.5-Gb/s SOA-Modulator Integrated Full$C$-Band Wavelength-Tunable Transmitter

We present an external-cavity wavelength-tunable laser with a semiconductor optical amplifier-modulator monolithically integrated on the gain chip. The modulator chirp is analyzed, and it is explained how the chirp can be partially cancelled by self-phase modulation in the transmission fiber. Full C-band transmission of 2.5-Gb/s data over 360 km is demonstrated with small power penalty