Fig. 1. Optical path diagram of adaptive dual-comb

Fig. 2. Output characteristics and supercontinuum of two pulsed lasers. (a) Spectrum of oscillator A; (b) pulse width after two-stage amplification of pulsed laser A; (c) supercontinuum of pulsed laser A; (d) spectrum of oscillator B; (e) pulse width after two-stage amplification of pulsed laser B; (f) supercontinuum of pulsed laser B

Fig. 3. Relationships of repetition frequency with voltage and temperature. (a) Relationship between V_PZT variation (ΔV_PZT) and repetition frequency variation (Δf) of pulsed laser; (b) relationship between the temperature variation (ΔT) of top TEC and bottom TEC and frequency variation of pulsed laser

Fig. 4. Flow chart of repetition frequency feedback mechanism of pulsed laser

Fig. 5. Each parameter change in the feedback process. (a) PZT voltage changed with beat signal; (b) the first temperature feedback changed with PZT voltage

Fig. 6. Experimental results and picture of miniaturized adaptive dual-comb. (a) Change relationship between beat signal 50 B and time; (b) change relationship between repetition frequency of oscillator B and time; (c) photo of miniaturized adaptive dual-comb