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Observation of coherent effects using a mode-locked rubidium laser

We study a diode-pumped alkaline rubidium laser operating at the D1-line transition. The mode-locked regime of laser operation using an active technique inside the laser cavity has been demonstrated. We have also experimentally shown that the mode-locked laser radiation can be used to observe coherent effects: the electromagnetically induced transparency and the nonlinear Faraday rotation in Rb vapor.