Virtual-photon-induced quantum phase gates for two distant atoms trapped in separate cavities
Virtual-photon-induced quantum phase gates for two distant atoms trapped in separate cavities
复制标题
虚拟光子诱导的量子相门,用于捕获在不同空腔中的两个遥远原子
DOI:
10.1063/1.3117235
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发表时间:
2009-04
影响因子:
4
通讯作者:
郑仕标
中科院分区:
文献类型:
--
作者:
郑仕标
We propose a scheme for implementing quantum gates for two atoms trapped in distant cavities connected by an optical fiber. The effective long-distance coupling between the two distributed qubits is achieved without excitation and transportation of photons through the optical fiber. Since the cavity modes and fiber mode are never populated and the atoms undergo no transitions, the gate operation is insensitive to the decoherence effect when the thermal photons in the environment are negligible. The scheme opens promising perspectives for networking quantum information processors and implementing distributed and scalable quantum computation.
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