Abstract

We investigate the propagation of intense probe pulses in a lifetime broadened <i>Λ</i>-type three-level atomic system with a configuration of electromagnetically induced transparency. We find that ultraslow optical solitons formed by a balance between dispersion and nonlinearity can be stored and retrieved in the system by switching off and on a control field. Such pulses are robust during storage and retrieval, and hence may have potential applications in optical and quantum information processing.

© 2013 Chinese Optics Letters

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