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Quantum Memory for Light in a Double Lambda Atomic Ensemble | Xiong-Jun Liu
; Hui Jing
; Mo-Lin Ge
; | Date: |
24 Mar 2004 | Subject: | quant-ph | Abstract: | We examine the definition of dark-state polaritons (DSPs) in a double $Lambda$ atomic ensemble and its novel applications in quantum information. This problem raises an interest because, rather than one state of a given probe light, the injected quantized field can convert into two different output pulses by properly steering two control fields. Furthermore, by preparing the initial probe light in a Schödinger cat state, a feasible scheme to generate an optical entangled coherent states is revealed in this controllable linear system, which may open up the way for DSPs-based quantum information processing. The robustness of this scheme is analyzed by confirming the validity of adiabatic passage conditions. | Source: | arXiv, quant-ph/0403171 | Services: | Forum | Review | PDF | Favorites |
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