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Routes to chaos in a class-B laser coupled to a neutral resonator
preprintposted on 2023-01-10, 02:33 authored by L. E. Güemes Frese, B. R. Jaramillo-Ávila, B. M. Rodríguez-Lara
We study the dynamics of a class-B semiconductor microring laser coupled to a neutral microring resonator for common fabrication parameters. For zero detuning between the resonators, we identify five dynamical regions controlled by the normalized pump rate of the laser and coupling strength between the resonators. These regions show stable lasing with phase locking for either sufficiently small or large coupling strength parameter values. Multistability and chaos arise in between these stable regions where at least one fixed point is attractive. The transition from stable to unstable lasing regions in the parameter space phase diagram is a crossover.