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在双模腔QED系统中用原子-腔共振相互作用实现三量子比特Toffoli门

, PP. 548-554

Keywords: 量子信息,三量子比特Toffoli,,腔QED,保真度

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Abstract:

提出了一种在腔QED系统中用一个五能级原子通过原子-腔共振相互作用实现三量子比特Toffoli门的方案。在提出的方案当中,两个量子化的腔模充当控制比特,而原子的两个低能态构成目标比特。数值结果表明,当同时考虑原子高能态的自发辐射和腔模的衰减对量子门的保真度的影响时,腔场的衰减是主要的噪声来源。讨论了原子-光场耦合常数的偏差对三量子比特Toffoli门保真度的影响以及方案在实验上的可行性。

References

[1]  LOSS D, DI VINCENZO D P. Quantum computation with quantum dots
[2]  [J]. Phys Rev A,1998, 57: 120-126.?
[3]  BRENNEN G K, et. al. Quantum Logic Gates in Optical Lattices
[4]  [J]. Phys Rev Lett,1999, 82: 1060-1063.?
[5]  RAIMOND J M, et al. Manipulating quantum entanglement with atoms and photons in a cavity
[6]  [J]. Rev Mod Phys,2001, 73:565-582.?
[7]  BARENCO A, et. al. Elementary gates for quantum computation
[8]  [J]. Phys Rev A, 1995,52:3457-3467.?
[9]  SLEATOR T, WEINFURTER H. Realizable Universal Quantum Logic Gates
[10]  [J].Phys Rev Lett,1995, 74:4087-4090.?
[11]  STEANE A M. Error Correcting Codes in Quantum Theory
[12]  [J].Phys Rev Lett,1996, 77: 793-797.?
[13]  GROVER L K. Quantum Computers Can Search Rapidly by Using Almost Any Transformation
[14]  [J]. Phys Rev Lett,1998 80: 4329-4332.?
[15]  ZOU Xu-Bo, DONG Yu-Li, and GUO Guang-Can. Implementing a conditional z gate by a combination of resonant interaction and quantum interference
[16]  [J].Phys Rev A, 2006,74: 032325.?
[17]  ZOU Xu-Bo, et. al. Quantum phase gate through a dispersive atom-field interaction
[18]  [J]. Phys Rev A, 75: 064301.?
[19]  XIAO Yun- Feng, ZOU Xu-Bo, and GUO Guang-Can. Implementing a conditional N-qubit phase gate in a largely detuned optical cavity
[20]  [J].Phys .Rev. A,2007, 75: 014302.?
[21]  XIAO Yun- Feng, ZOU Xu-Bo, and GUO Guang-Can. One-step implementation of an N-qubit controlled-phase gate with neutral atoms trapped in an optical cavity
[22]  [J].Phys. Rev. A, 75 (2007) 054303.?
[23]  JOSHI A, and XIAO Min. Three-qubit quantum-gate operation in a cavity QED system
[24]  GROVER L K. Quantum Mechanics Helps in Searching for a Needle in a Haystack
[25]  [J].Phys Rev Lett,1997,79 : 325 - 328.?
[26]  GROVER L K. Quantum Computers Can Search Arbitrarily Large Databases by a Single Query
[27]  [J]. Phys Rev Lett, 1997,79 : 4709 - 4712.?
[28]  SHAO Xiao-Qiang, et. al. Efficient Scheme for Implementing a Fredkin Gate via Resonant Interaction with Two-Mode Cavity Quantum Electrodynamics
[29]  [J].Chin Phys Lett, 2007,24: 2730-2732.?
[30]  Su Xiaoqin. Realization of two-atom quantum controlled phase gate with high efficiency via cavity QED
[31]  [J].Chinese Journal of Quantum Electronics, 2006, 23(5): 621~627 (in chinese).?
[32]  CIRAC J I., ZOLLER P. Quantum Computations with Cold Trapped Ions
[33]  [J].Phys Rev Lett, 1995, 74: 4091-4094.?
[34]  BARENCO A , et. al. Conditional Quantum Dynamics and Logic Gates
[35]  [J]. Phys Rev Lett, 1995,74: 4083-4086.
[36]  [J] Phys. Rev. A,2006, 74: 052318.?
[37]  SHAO Xiao-qiang, et. al., Efficient scheme for implementing an N-qubit Toffoli gate by a single resonant interaction with cavity quantum electrodynamics
[38]  [J]. Phys. Rev. A,2007, 75: 034307.?
[39]  CHEN Chang-yong., FENG Mang, GAO Ke-Lin. Toffoli gate originating from a single resonant interaction with cavity QED
[40]  [J]. Phys. Rev. A,2006, 73:064304(1-4).?
[41]  XIAO Yun- Feng, et. al. Quantum phase gate in an optical cavity with atomic cloud
[42]  [J]. Phys. Rev. A,2006, 74: 044303.?
[43]  JAMES D F. Quantum computation with hot and cold trapped ions:an assessment of proposed schemes
[44]  [J]. Fortschr. Phys 2000,48:823-837.?
[45]  ZHEN Shi-biao. Quantum logic gates for two atoms with a single resonant interaction
[46]  [J]. Phys. Rev. A,2005, 71: 062335.?
[47]  SHU Jing, et. al. Quantum phase gate of photonic qubits in a cavity QED system
[48]  [J].Phys. Rev. A,2007,75: 044302(1-4).?
[49]  MAUNZ P, et al. Cavity cooling of a single atom
[50]  [J]. Nature (London)2004, 428: 50-52.

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