Preparation of Cluster States of Atomic Qubits in Cavity QED
GUO Yu1, DENG Hong-Liang2
1Department of Physics and Electronic Science, ChangshaUniversity of Science and Technology, Changsha 4101142College of Physical Science and Technology, Huanggang NormalUniversity, Huanggang 438000
Preparation of Cluster States of Atomic Qubits in Cavity QED
GUO Yu1, DENG Hong-Liang2
1Department of Physics and Electronic Science, ChangshaUniversity of Science and Technology, Changsha 4101142College of Physical Science and Technology, Huanggang NormalUniversity, Huanggang 438000
摘要We propose an optical scheme to generate cluster states of atomic qubits, with each trapped in separate optical cavity, via atom-cavity-laser interaction. The quantum information of each qubit is encoded on the degenerate ground states of the atom, hence the entanglement between them is relatively stable against spontaneous emission. A single-photon source and two classical fields are employed in the present scheme. By controlling the sequence and time of atom-cavity-laser interaction, we show that the atomic cluster states can be produced deterministically
Abstract：We propose an optical scheme to generate cluster states of atomic qubits, with each trapped in separate optical cavity, via atom-cavity-laser interaction. The quantum information of each qubit is encoded on the degenerate ground states of the atom, hence the entanglement between them is relatively stable against spontaneous emission. A single-photon source and two classical fields are employed in the present scheme. By controlling the sequence and time of atom-cavity-laser interaction, we show that the atomic cluster states can be produced deterministically
GUO Yu;DENG Hong-Liang. Preparation of Cluster States of Atomic Qubits in Cavity QED[J]. 中国物理快报, 2010, 27(4): 40309-040309.
GUO Yu, DENG Hong-Liang. Preparation of Cluster States of Atomic Qubits in Cavity QED. Chin. Phys. Lett., 2010, 27(4): 40309-040309.
[1] Bouwmeester D, Ekert A and Zeilinger A 2000 The Physics of Quantum Information: Quantum Cryptography, Quantum Teleportation, Quantum computation (Berlin: Springer) [2] Nielsen M A and Chuang I L 2000 Quantum Computation and Quantum Information (Cambridge: Cambridge University) [3] Bennett C H et al 1993 Phys. Rev. Lett. 70 1895 [4] Bennett C H, Wiesner S J 1992 Phys. Rev. Lett. 69 2881 [5] Bennett C H et al 1992 Phys. Rev. Lett. 68 557 [6] Gisin N et al 2002 Rev. Mod. Phys. 74 145 [7] Dur W et al 2000 Phys. Rev. A 62 062314 [8] Greenberger D M et al 1990 Am. J. Phys. 58 1131 [9] Guo Y and Kuang L M 2007 J. Phys. B 40 3309 Guo Y and Deng H L 2009 J. Phys. B 42 {215507} [10] Briegel H J et al 2001 Phys. Rev. Lett. 86 910 [11] Raussendorf R et al 2001 Phys. Rev. Lett. 86 5188 [12] Walther P et al 2005 Nature 434 169 [13] Zou X B and Mathis W 2005 Phys. Rev. A 71 032308 [14] Zhang A N et al 2006 Phys. Rev. A 73 022330 [15] Prevedel R et al 2007 Nature 445 65 [16] Wang W F et al 2008 Chin. Phys. Lett. 25 839 [17] Zheng S B 2006 Phys. Rev. A 73 065802 [18] Browne D E et al 2005 Phys. Rev. Lett. 95 010501 [19] Cho J and Lee H W 2005 Phys. Rev. Lett. 95 160501 [20] Zou X B and Mathis W 2005 Phys. Rev. A 72 013809 [21] Dong P et al 2005 Phys. Rev. A 73 033818 [22] Yang R C et al 2007 Commun. Theor. Phys. 47 53 [23] Zhang X L et al 2007 Phys. Rev. A 75 034308 [24] Louis S F R et al 2007 Phys. Rev. A 75 042323 [25] Zhou Y L et al 2009 Chin. Phys. Lett. 26 060301 [26] Du G et al 2009 Chin. Phys. Lett. 26 104201 [27] Tan T et al 2006 Phys. Rev. Lett. 97 230501 [28] Zhang X L et al 2006 Phys. Rev. A 74 024303 [29] Song K H et al 2009 Chin. Phys. Lett. 26 120302 [30] Guo G P et al 2007 Phys. Rev. A 75 050301 [31] Devitt S J et al 2007 Phys. Rev. A 76 052312 [32] Scully M O and Zubairy M S 1997 Quantum Optics (Cambridge: Cambridge University Press) [33] Huang Y P and Moore M G 2008 Phys. Rev. A 77 032349 [34] Huhn A et al 2002 Phys. Rev. Lett. 89 067901 [35] Keller M et al 2004 Nature 431 1075 [36] Chen S et al 2006 Phys. Rev. Lett. 97 173004 [37] Michler P et al 2000 Science 290 2282 [38] Santori C et al 2001 Phys. Rev. Lett. 86 1502 [39] Kurtsiefer C et al 2000 Phys. Rev. Lett. 85 290 [40] Aharonovich I et al 2009 Phys. Rev. B 79 235316 [41] Greentree A D et al 2006 Phys. Rev. A 73 013818 [42] Fern\v{e}e M J et al 2007 Phys. Rev. A 75 043815
2010, Vol. 27 
