Two-wave mixing in sodium vapour

G. Grynberg , E. Le Bihan , M. Pinard

We have observed a unidirectional oscillation in a ring cavity when a sodium atomic vapour interacts with a non resonant pump beam. We have checked that the frequency of the oscillating beam is almost the same as the frequency of the pump beam. We propose a theoretical interpretation of the origin of a two-wave mixing process in an atomic vapour. We show the necessity of a relaxation process and we emphasize the close relationship between this effect and the Bloembergen PIER 4 resonances.

Mots clés: nonlinear optics; sodium

Domaines: Articles anciens

G. Grynberg, E. Le Bihan, M. Pinard. Two-wave mixing in sodium vapour. Journal de Physique, 1986, 47 (8), pp.1321-1325. ⟨10.1051/jphys:019860047080132100⟩. ⟨jpa-00210324⟩