Abstract
ABSTRACT We consider optical pulse propagation in cubic-quintic nonlinear media and analyze the dynamics of pulse compression within the framework of variational approach. Based on a potential model we find effective pulse width for stable propagation. We see that a pulse propagating in cubic media gets compressed due to quintic nonlinearity. The value of width of a compressed pulse decreases with the increase of power. However, its minimum value is limited by the growing instability above the critical power. We explicitly examine that the compressed pulse is dynamically stable due to the competition between cubic and quintic nonlinearities.
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