We have numerically studied the behavior of a two-mode Nd-YAG laser with an intracavity KTP crystal. It is found that when the parameter, which is a measure of the relative orientations of the KTP crystal with respect to the Nd-YAG crystal, is varied continuously, the output intensity fluctuations change from chaotic to stable behavior through a sequence of reverse period doubling bifurcations. The graph of the intensity in the X-polarized mode against that in the Y-polarized mode shows a complex pattern in the chaotic regime. The Lyapunov exponent is calculated for the chaotic and periodic regions.
Numerical study of reverse period doubling route from chaos to stability in a two-mode intracavity doubled Nd-YAG laser
Thomas Kuruvilla, V. M. Nandakumaran; Numerical study of reverse period doubling route from chaos to stability in a two-mode intracavity doubled Nd-YAG laser. Chaos 1 March 1999; 9 (1): 208–212. https://doi.org/10.1063/1.166392
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