Control of laser radiation parameters

Bistability of self-modulation oscillations in an autonomous solid-state ring laser

V. Yu. Dudetskii

Lomonosov Moscow State University, Faculty of Physics

Abstract: Bistable self-modulation regimes of generation for a ring YAG : Nd chip laser with the counterpropagating waves asymmetrically coupled via backward scattering are simulated numerically. Two branches of bistable self-modulation regimes of generation are found in the domain of the parametric resonance between the selfmodulation and relaxation oscillations. The self-modulation regimes observed in earlier experiments pertain to only one of the branches. Possible reasons for such a discrepancy are considered, related to the influence of technical and natural noise on the dynamics of solid-state ring lasers.

Keywords: solid-state ring laser, self-modulation regime of generation, dynamic chaos, amplitude and frequency nonreciprocity of ring cavity, bistability.

PACS: 42.55.Rz, 42.60.Da, 42.65.Sf

Received: 21.03.2013
Revised: 31.07.2013

 English version: Quantum Electronics, 2013, 43:11, 1024–1028

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