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arXiv quant-ph/0603087quant-ph
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利用三维光子晶体单模腔实现量子纠缠和量子逻辑门操作

Creation of Entanglement and Implementation of Quantum Logic Gate Operations Using a Three-Dimensional Photonic Crystal Single-Mode Cavity

Durdu Ö. Güney, David A. Meyer

摘要:

在偶极近似和行波近似下,求解了具有足够高品质因子的三维光子晶体单模腔的含时耦合Jaynes-Cummings哈密顿量.然后,我们利用这些结果来展示如何创建两个原子的最大纠缠态,以及如何实现几个量子逻辑门:双轨Hadamard门,双轨NOT门和SWAP门。所有这些操作中的原子都是同步的,这在PC中的先前研究中不是这样[1,2]。我们的方法有可能扩展到N原子纠缠,通用的量子逻辑操作,和其他有用的,腔QED的量子信息处理任务的实施。

英文摘要:

We solve the Jaynes-Cummings Hamiltonian with time-dependent coupling parameters under dipole and rotating-wave approximation for a three-dimensional (3D) photonic crystal (PC) single mode cavity with a sufficiently high quality (Q) factor. We then exploit the results to show how to create a maximally entangled state of two atoms, and how to implement several quantum logic gates: a dual-rail Hadamard gate, a dual-rail NOT gate, and a SWAP gate. The atoms in all of these operations are syncronized, which is not the case in previous studies [1,2] in PCs. Our method has the potential for extension to N-atom entanglement, universal quantum logic operations, and the implementation of other useful, cavity QED based quantum information processing tasks.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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