Patent ID: 7200159

Claim:
A method of temperature stabilization of a wavelength of a laser, comprising: measuring a representative temperature of the laser; measuring the wavelength using an internal etalon of the wavelength; defining a correction factor for the etalon using an external meter of the wavelength; and operating a module defining the representative temperature at a set point corresponding to a generation of an optical power at a wavelength equal to a sum of the wavelength measured using the internal etalon and the correction factor; wherein the correction factor is defined using a method, comprising: (a) measuring the wavelength of the laser using the internal etalon; (b) measuring the wavelength of the laser using the external meter; (c) measuring the representative temperature; (d) modifying a bias current of a laser chip of the laser; (e) adjusting the representative temperature until the external meter measures the same wavelength as at the step (b); (f) defining a difference in the representative temperature at the steps (c) and (e); and (g) measuring the wavelength using the internal etalon.