Laser temperature control system and method

A method for performing a laser warm-up operation, the method comprising:

• receiving a first laser temperature measurement for a laser device from a laser temperature sensor at a first time step;
• receiving a second laser temperature measurement from the laser temperature sensor at a second time step;
• calculating a laser temperature change value by determining a difference between the first laser temperature measurement and the second laser temperature measurement;
• receiving a first ambient temperature measurement from an ambient temperature sensor at the first time step;
• receiving a second ambient temperature measurement from the ambient temperature sensor at the second time step;
• calculating an ambient temperature change value by determining a difference between the first ambient temperature measurement and the second ambient temperature measurement;
• and
• comparing the laser temperature change value with the ambient temperature change value to determine a differential temperature change value;
• in response to determining that the differential temperature change value is greater than zero, increasing a current/power sent to the laser device, until a temperature of the laser device is stabilized;
• in response to determining that the differential temperature change value is less than or equal to zero, reducing the current/power sent to the laser device, until a temperature of the laser device is stabilized.

A method for performing a laser cooling operation, the method comprising:

• receiving a first laser temperature measurement for a laser device from a laser temperature sensor at a first time step;
• obtaining a target operation temperature value of the laser device at the first time step;
• receiving an ambient temperature measurement from an ambient temperature sensor at the first time step;
• calculating a temperature difference value between the first laser temperature measurement and the target operation temperature value;
• determining a temperature difference threshold, based on the target operation temperature value and the ambient temperature measurement;
• calculating a change in a cooling current/power, based on the temperature difference value and the temperature difference threshold;
• and
• adjusting the cooling current/power based on the calculated change in the cooling current/power, to ensure a stable operation of the laser device.