Abstract
Dark resonances were formed via electromagnetically induced transparency for the first time, to the best of our knowledge, involving magnetically induced atomic transitions of alkali metal atoms, which are forbidden at zero magnetic field. The probability of these transitions undergoes rapid growth when 300–3000 G magnetic field is applied, allowing formation of dark resonances, widely tunable in the GHz range. It is established that for () transition, the coupling laser tuned to () transition of the hyperfine -system must be () polarized, manifesting anomalous circular dichroism.
© 2019 Optical Society of America
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