Abstract
A scheme for generating the two-mode maximally path-entangled state of multi-photon, i.e., the so-called NOON state, through use of cavity QED techniques is proposed. In the present scheme, the entanglement between two spatial modes is established by guiding a laser pulse through a single atom cavity firstly, and then is transferred to the entanglement of the fields of the two cavities. The multi-photon state is generated in either one of the cavities via the strong atom-light interaction stimulated by the laser pulse adiabatically. Consequently, the desired optical NOON state is obtained.
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Xiao, XQ., Zhu, J., He, G. et al. A scheme for generating a multi-photon NOON state based on cavity QED. Quantum Inf Process 12, 449–457 (2013). https://doi.org/10.1007/s11128-012-0383-x
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DOI: https://doi.org/10.1007/s11128-012-0383-x