Investigation of chaos synchronization in photonic crystal lasers

Chaotic dynamics and chaos synchronization in photonic crystal (PC) lasers with optical feedback are investigated numerically. The effect of various system parameters such as amplitude reflectivity of the external mirror “r”, external cavity length “Le”, and injection current “I” on system dynamics is addressed in detail. Simulation results are presented using MATLAB to address system behavior. The parameters r, Le, and I are varied over the ranges (0.05–0.25), (2.8–3.2 mm), and (1.1Ith–2Ith), respectively. The results indicate that very small parameter mismatches between the transmitter laser and receiver laser affect strongly complete chaos synchronization between them.

► The dynamics of photonic crystal laser is addressed in the presence of optical feedback.
► Chaos synchronization is insestigated for photonic crystal lasers.
► Effect of parameters mismatch on chaos synchonization of photonic crystal lasers.