Fig. 1. Face-to-face mutual injection LDA structure integrated with on-chip Talbot cavity

Fig. 2. Temporal evolution of wavelength and phase (cosφ) of (8+8) laser array structures. (a1)-(a2) FF=0.05; (b1)-(b2) FF=0.08; (c1)-(c2) FF=0.1; (d1)-(d2) FF=0.2; (e1)-(e2) FF=0.3; (f1)-(f2) FF=0.4

Fig. 3. Frequency-locking simulation scheme of laser array model. (a) With mutual injection when FF=0.1; (b) Without mutual injection

Fig. 4. Spectra of lasers model (a) with mutual injection when FF=0.1 and (b) without mutual injection

Fig. 5. Spectra of mutual injection with different FF

Fig. 6. Supermode threshold gain dependent on the lengths of external Talbot cavity and FF

Fig. 7. Calculation of threshold gain of the in-phase mode and out-of-phase mode. (a) The in-phase mode and out-of-phase mode threshold gain when FF=0.1; (b) Threshold gain difference of in-phase mode and out-of-phase mode as a function of FF