Ultra-Slow Light and Enhanced Nonlinear Optical Effects in a Coherently Driven Hot Atomic Gas

Abstract

We report the observation of small group velocities of order 90 meters per second, and large group delays of greater than 0.26 ms, in an optically dense hot rubidium gas (~360 K). Media of this kind yield strong nonlinear interactions between very weak optical fields, and very sharp spectral features. The result is in agreement with previous studies on nonlinear spectroscopy of dense coherent media.

References in corpus (1)

• Parametric Self-Oscillation via Resonantly Enhanced Multiwave Mixing

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• Polarization properties of 'slow' light
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• Enhancing capacity of coherent optical information storage and transfer in a Bose-Einstein condensate
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• Dispersive effects on optical information storage in Bose-Einstein condensates with ultra-slow short pulses