Influence of Linewidth Enhancement Factor on the Nonlinear Dynamics and TDS Concealment of Semiconductor Ring Lasers

In this paper, the influences of linewidth enhancement factor on output characteristics a semiconductor ring laser (SRL) are numerically investigated. By constructing master–slave injection model, we discuss influence SRL. addition, 0–1 chaos test is introduced to study effects factor, feedback strength, time delay and normalized current dynamic master laser. Furthermore, simulation carried out suppression by factor. The results show that selecting proper has significant effect chaotic SRL, larger beneficial for concealment signature. Such achieving security communication physical random generators.