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The schemes are presented for realizing optical Bell-state and GHZ-state analyzers through the Faraday rotation, which results from polarization photon reflected by optical cavity with trapped atom. They can be extended to the case of completely distinguishing photon Bell-state and GHZ-state without destroying quantum qubit. In the schemes, strong-coupling condition is not needed and the analyzers can be implemented in low-Q cavity, which further lower the diffculty in experiment.
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Keywords:
- Bell-state analyzer /
- GHZ-state analyzer /
- Faraday rotation /
- low-Q cavity
[1] Bennett C H, Brassard G, Crépeau C, Jozsa R, Peres A, Wootters W K 1993 Phys. Rev. Lett. 70 1895
[2] Bennett C H, Wiesner S J 1992 Phys. Rev. Lett. 69 2881
[3] Zukowski M, Zeilinger A, Horne M A, Ekert A K 1993 Phys. Rev. Lett. 71 4287
[4] Nielsen M A 2003 Phys. Lett. A 308 96
[5] Raussendorf R, Briegel H J 2001 Phys. Rev. Lett. 86 5188
[6] Bennett C H, Di Vincenzo D P, Smolin J A, Wootters W K 1996 Phys. Rev. A 54 3824
[7] Calsamiglia J, Lütkenhaus N 2001 Appl. Phys. B 72 67
[8] Pan J W, Zeilinger A 1998 Phys. Rev. A 57 2208
[9] Barrett S D, Kok P, Nemoto K, Beausoleil R G, Munro W J, Spiller T P 2005 Phys. Rev. A 71 060302
[10] Qian J, Feng X L, Gong S Q 2005 Phys. Rev. A 72 52308
[11] Lin X M, Chen Z H, Lin G W, Chen X D, Ni B B 2009 Opt. Commun. 282 3371
[12] Courtens E 1968 Phys. Rev. Lett. 21 3
[13] Labeyrie G, Miniatura C, Kaiser R 2001 Phys. Rev. A 64 033402
[14] Li Y Q, Steuerman D W, Berezovsky J, Seferos D S, Bazan G C, Awschalom D D2006 Appl. Phys. Lett. 88 193126
[15] Wang B, Duan L M 2007 Phys. Rev. A 75 050304.
[16] An J H, Feng M, Oh C H 2009 Phys. Rev. A 79 032303.
[17] Duan L M, Kimble H J 2004 Phys. Rev. Lett. 92 127902
[18] Xiao Y F, Lin X M, Gao J, Yang Y, Han Z F, Guo G C 2004 Phys. Rev. A 70 042314
[19] Huang X H, Lin X M, Lin G W, Chen Z H, Tang Y X 2008 Chin. Phys. B 17 4382
[20] Lin G W, Lin X M, Chen L B, Du Q H, Chen Z H 2008 Chin. Phys. B 17 64
[21] Pan G Z, Yang M, Cao Z L 2009 Chin. Phys. B 18 2319
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[1] Bennett C H, Brassard G, Crépeau C, Jozsa R, Peres A, Wootters W K 1993 Phys. Rev. Lett. 70 1895
[2] Bennett C H, Wiesner S J 1992 Phys. Rev. Lett. 69 2881
[3] Zukowski M, Zeilinger A, Horne M A, Ekert A K 1993 Phys. Rev. Lett. 71 4287
[4] Nielsen M A 2003 Phys. Lett. A 308 96
[5] Raussendorf R, Briegel H J 2001 Phys. Rev. Lett. 86 5188
[6] Bennett C H, Di Vincenzo D P, Smolin J A, Wootters W K 1996 Phys. Rev. A 54 3824
[7] Calsamiglia J, Lütkenhaus N 2001 Appl. Phys. B 72 67
[8] Pan J W, Zeilinger A 1998 Phys. Rev. A 57 2208
[9] Barrett S D, Kok P, Nemoto K, Beausoleil R G, Munro W J, Spiller T P 2005 Phys. Rev. A 71 060302
[10] Qian J, Feng X L, Gong S Q 2005 Phys. Rev. A 72 52308
[11] Lin X M, Chen Z H, Lin G W, Chen X D, Ni B B 2009 Opt. Commun. 282 3371
[12] Courtens E 1968 Phys. Rev. Lett. 21 3
[13] Labeyrie G, Miniatura C, Kaiser R 2001 Phys. Rev. A 64 033402
[14] Li Y Q, Steuerman D W, Berezovsky J, Seferos D S, Bazan G C, Awschalom D D2006 Appl. Phys. Lett. 88 193126
[15] Wang B, Duan L M 2007 Phys. Rev. A 75 050304.
[16] An J H, Feng M, Oh C H 2009 Phys. Rev. A 79 032303.
[17] Duan L M, Kimble H J 2004 Phys. Rev. Lett. 92 127902
[18] Xiao Y F, Lin X M, Gao J, Yang Y, Han Z F, Guo G C 2004 Phys. Rev. A 70 042314
[19] Huang X H, Lin X M, Lin G W, Chen Z H, Tang Y X 2008 Chin. Phys. B 17 4382
[20] Lin G W, Lin X M, Chen L B, Du Q H, Chen Z H 2008 Chin. Phys. B 17 64
[21] Pan G Z, Yang M, Cao Z L 2009 Chin. Phys. B 18 2319
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