Abstract
Spontaneous coherence transfer has been studied experimentally using two-color laser polarization spectroscopy of <SUP>87</SUP>Rb. Two classes of optical transitions were investigated for which the theory predicts presence and absence of anisotropy of a hyperfine sublevel of the ground state populated via spontaneous decay. The anisotropy was induced by a strong linearly polarized laser beam. It was controlled by the polarization rotation of another probe laser beam. A qualitative agreement with the theoretical predictions has been found.
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