The present paper is devoted to the optical bistable behavior of Gaussian inhomogeneously broadened single-mode Fabry-Perot lasers with saturable absorber (LSA) in both resonance and nonresonance. The system is described by rate equations based on the dual two-level model with allowance for spontaneous emission and spatial hole-burning. The conditions under which optical bistability (OB) occurs are clearly displayed in phase diagrams. The OB characteristics and stability behavior are investigated in connection with their dependence on the detuning and LSA parameters. ©1999 Kluwer Academic/Plenum Publishers.

Bao P.Q., Van Hoang D., Van V.L.

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