Dark-state polaritons for quantum memory in a five-level M-type atomic ensemble
- State Key Laboratory for Mesoscopic Physics, Department of Physics, Peking University, Beijing 100871 (China)
Dark-state polaritons in a five-level M-type atomic ensemble are proposed in the electromagnetically induced transparency. Under conditions of the low excitation limit and adiabatic following, the quantum field can be mapped onto the atomic polarization states, forming the shape preserving quantum states of polaritons. Two channels for robust quantum memory are provided, which enables the potential applications in quantum-information processing.
- OSTI ID:
- 20786892
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 3 Vol. 73; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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