Optoelectronic device incorporating a tunable laser and method of characterization thereof

The present invention relates to an optoelectronic device incorporating a tunable laser and a method for the characterisation thereof. A hybridized optoelectronic device having a multi-section laser and a wavelength measuring component such that stable operational characteristics remote from mode boundaries may be determined and stored in a look-up table. A fast means of characterizing the device using sampling techniques is also disclosed. The device may incorporate a frequency-locking component to enable the laser to emit radiation at predetermined frequencies.