controller calibration methods for use with sampled grating distributed bragg reflector sgdbr laser is presented . an exemplary method includes conducting a two - dimensional mirror current scam of each front mirror current setting and back mirror current setting for a sampled grating distributed bragg reflector sgbdr laser to produce laser setting data corresponding to each front mirror current setting and back mirror current setting to generate a reference optical signal of the sgdbr laser . a channel operating point is determined for each channel within the two - dimensional scan data . a fix up of the operating point to substantially minimize wavelength and power error can also be performed . a two - dimensional control surface is characterized at the channel operating point for each channel . a lookup table for controlling the sgdbr laser is generated from the operating point currents , locker values and two - dimensional control surface data from each channel .