Nonlinear optical phenomena

Influence of intracavity stimulated Raman scattering on self-modulation of a ring laser emitting ultrashort pulses

Yu. N. Yashkir, O. V. Yashkir


Abstract: An investigation is made of the generation of ultrashort pulses in a ring laser in the presence of intracavity nonlinear losses due to stimulated Raman scattering. A numerical analysis of the attractors of the problem is used in a study of typical lasing regimes: stable, unstable regular, and unstable irregular (optical turbulence). A change in the nonlinearity parameter reveals also "intermittence" regions. An analysis is made of the influence of feedback provided by the Stokes radiation on the localization of an instability region.

UDC: 535.375.5:621.373.826

PACS: 42.60.Jf, 42.60.Da, 42.60.Fc, 42.65.Re, 42.65.Dr, 42.65.Ky

Received: 15.05.1991

 English version: Soviet Journal of Quantum Electronics, 1991, 21:11, 1244–1246

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