Abstract
We propose a scheme to realize the storage and retrieval of optical Peregrine solitons in a coherent atomic gas via electromagnetically induced transparency (EIT). We show that optical Peregrine solitons with very small propagation loss, ultraslow motional velocity, and extremely low generation power can be created in the system via EIT. We also show that such solitons can be stored, retrieved, split, and routed with high efficiency and fidelity through the manipulation of control laser fields. The results reported here are useful for the active control of optical Peregrine solitons and promising for applications in optical information processing and transmission.
Highlights
Rogue waves, first observed in ocean surfaces, are highly isolated spatial-temporal wave packets with very large amplitudes when some special conditions are attained [1]
We show that such solitons may have very small propagation loss, ultraslow motional velocity, and extremely low generation power; they can be stored, retrieved, split, and routed with high efficiency and fidelity through the manipulation of control laser fields
We have proposed a scheme for realizing the storage and retrieval of optical Peregrine solitons in a coherent atomic gas via electromagnetically induced transparency (EIT)
Summary
First observed in ocean surfaces, are highly isolated spatial-temporal wave packets with very large amplitudes when some special conditions are attained [1]. Many efforts have been focused on the investigation of electromagnetically induced transparency (EIT), a typical quantum interference effect occurring in threelevel atomic systems, by which the light absorption due to resonance may be largely suppressed and giant Kerr nonlinearity may be obtained simultaneously [55]. We suggest a scheme to realize the memory of optical Peregrine solitons in a Λ-shaped three-level atomic gas via EIT. We show that such solitons may have very small propagation loss, ultraslow motional velocity, and extremely low generation power; they can be stored, retrieved, split, and routed with high efficiency and fidelity through the manipulation of control laser fields.
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