EFFECTS OF ZEEMAN SPLITTING ON ELECTROMAGNETICALLY-INDUCED TRANSPARENCY

An experimental and theoretical study of the effects of Zeeman splitting on electromagnetically-induced transparency in rubidium vapour has been carried out using two single-frequency, continuous-wave Ti:sapphire lasers. We show that a magnetic field, as weak as 80 Gauss, is enough to split the original, zero field, E.I.T. window into distinct sub-components. The number of sub-components observed depends directly on the two-photon selection rules. At the same time, each E.I.T. sub-component experiences a reduction in depth and an increase in broadening which is dependent on the strength of the applied magnetic field.