Fig. 1. Relationship between optical power and photogenerated voltage ADC values at four different temperatures

Fig. 2. Optical power versus voltage ADC value curve

Fig. 3. Flowchart of dark current compensation algorithm

Fig. 4. The experimental dark current values versus temperature

Fig. 5. Temperature profiles corresponding to the experimental values of dark current under 4 different fitting methods

Fig. 6. Schematic diagram of algorithm verification environment

Fig. 7. Experimental results figure of the validation algorithm