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We report experimental and theoretical study of a rotating diode-pumpedNd-YAG ring laser with active beat note stabilization. Our experimental setupis described in the usual Maxwell-Bloch formalism. We analytically derive astability condition and some frequency response characteristics for thesolid-state ring laser gyroscope, illustrating the important role of modecoupling effects on the dynamics of such a device. Experimental data arepresented and compared with the theory on the basis of realistic laserparameters, showing a very good agreement. Our results illustrate the dualitybetween the very rich non linear dynamics of the diode-pumped solid-state ringlaser (including chaotic behavior) and the possibility to obtain a very stablebeat note, resulting in a potentially new kind of rotation sensor.

Oscillation regimes of a solid-state ring laser with active beat note stabilization : from a chaotic device to a ring laser gyroscope