carrier signal generator for radio-over-fibre (RoF) is characterized. The laser is passively
mode-locked, with no saturable absorber, and exhibits pulsed operation at 60GHz with only
dc bias applied. The optical spectra, optical linewidth and beat tone linewidth of the laser are
all characterized. Due to its pulsed operation at 60GHz and its low linewidth, this laser could
be a key low cost component for RoF and WPAN systems.