P. Ojala et al., DFB LASER MONOLITHICALLY INTEGRATED WITH AN ABSORPTION MODULATOR WITHLOW RESIDUAL REFLECTANCE AND SMALL CHIRP, Electronics Letters, 29(10), 1993, pp. 859-860
Transmission over 150 km of standard fibre at 5 Gbit/s, and over 75 km
at 8 Gbit/s, is reported with a monolithically integrated DFB laser a
nd Franz-Keldysh absorption modulator. The modulator facet reflectance
is low. The device is stable over a range of operating parameters. Th
e butt-joint, buried-heterostructure device is entirely grown by MOVPF
.