SUBHARMONIC BIFURCATION AND CHAOS IN A PERIODICALLY MODULATED CO-MGF2 LASER
- We have investigated the nonlinear dynamics of a single longitudinal mode Co:MgF2 laser by modulating the pump laser intensity. We measured frequency- and time-domain intensity as a function of the modulation frequency and amplitude, and observed a series of subharmonic bifurcations and chaotic behavior. The main features of this behavior are found to be displayed by the coupled nonlinear rate equations for a four-level laser with time-dependent gain. © 1989 The American Physical Society.
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