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Spectral narrowing via quantum coherence
(American Physical Society, 2006)
We have studied the transmission through an optically thick Rb-87 vapor that is illuminated by monochromatic and noise-broadened laser fields in Lambda configuration. The spectral width of the beat signal between the two ...
Optical beam steering based on electromagnetically induced transparency
(American Physical Society, 2006)
We propose a scheme that provides all-optically-controlled steering of light beam. The system is based on steep dispersion of a coherently driven medium. Using the eikonal equation, we study the steering angle, the spread ...