Fig. 1. Effect of bias current on DFB laser pulse response characteristics. (a) Experimental setup; (b) principle analysis; (c) experimental results

Fig. 2. Schematic of DS module and output of neurons. (a) Matter motion in pd; (b) output of photoreceptors and neurons corresponding to Fig. 2(a); (c) matter motion in nd; (d) output of photoreceptors and neurons corresponding to Fig. 2 (c)

Fig. 3. Structural diagram of photonic DS module

Fig. 4. Experimental results under different probe signal time delays. (a) Δt=2 μs; (b) Δt=-6 μs; (c) Δt=1 μs; (d) Δt=-7 μs

Fig. 5. Quantitative description diagram of applicable speed range of module

Fig. 6. Effect of different parameters on range of Δt. (a) Weight value; (b) bias current