The logic NOT, XNOR, and XOR operations and their delay storages, as well as time traces of the applied electric field, the x-polarization and the y-polarization from the S-VCSEL output, and the two polarizations with delay τ and scale factor from the PPLN output, where μ_M = μ_S = 1.2; K_Mx = K_My = 10 ns⁻¹; K_Sx = K_Sy = 50 ns⁻¹; E_inj = 0.6; T = 10 ns. In panel (a), the reseda dashed line: the logic input signal dω₂; the reseda solid line: the logic input signal dω₁; the black solid line: the logic signal of the external electric field E₀; the blue line: the y-polarization; the bottle green line: the x-polarization. In panel (b), E₀ = 0 kV/mm; the red solid line indicates the three-level signal.