| GENERAL |
|
|
|
|
A Large-alphabet Quantum Key Distribution Protocol Using Orbital Angular Momentum Entanglement |
| ZHAO Sheng-Mei1**, GONG Long-Yan1,2**, LI Yong-Qiang1, YANG Hua1, SHENG Yu-Bo1, CHENG Wei-Wen1 |
1Institute of Signal Processing and Transmission, Nanjing University of Posts and Telecommunications, Nanjing 210003
2Department of Applied Physics, Nanjing University of Posts and Telecommunications, Nanjing 210003 |
|
| Cite this article: |
|
ZHAO Sheng-Mei, GONG Long-Yan, LI Yong-Qiang et al 2013 Chin. Phys. Lett. 30 060305 |
|
|
|
|
Abstract We experimentally demonstrate a quantum key distribution protocol using entangled photon pairs in orbital angular momentum (OAM). Here Alice uses a fixed phase hologram to modulate her OAM state on one photon with a spatial light modulator (SLM), while Bob uses the designed N different phase holograms for his N-based keys on the other photon with his SLM. With coincidences, Alice can fully retrieve the keys sent by Bob without reconciliation. We report the experiment results with N=3 and OAM eigenmodes |?=±1>, and discuss the security from the light path and typical attacks.
|
|
|
Received: 25 January 2013
Published: 31 May 2013
|
|
| PACS: |
03.67.Dd
|
(Quantum cryptography and communication security)
|
| |
42.50.Tx
|
(Optical angular momentum and its quantum aspects)
|
| |
03.67.Hk
|
(Quantum communication)
|
| |
42.50.Ex
|
(Optical implementations of quantum information processing and transfer)
|
|
|
|
|
|
[1] Scarani V, Cerf N J, Dušek M, Lütkenhaus N and Peev M 2009 Rev. Mod. Phys. 81 1301
[2] Bennett C H and Brassard G 1984 Proceedings IEEE International Conference on Computers, Systems and Signal Processing (Bangalore, India) (New York: IEEE) p 175
[3] Bennett C H 1992 Phys. Rev. Lett. 68 3121
[4] Scarani V, Acín A, Ribordy G and Gisin N 2004 Phys. Rev. Lett. 92 057901
[5] Ekert A K 1991 Phys. Rev. Lett. 67 661
[6] Bennett C H, Brassard G and Mermin N D 1992 Phys. Rev. Lett. 68 557
[7] Grosshans F and Grangier P 2002 Phys. Rev. Lett. 88 057902
[8] Inoue K, Waks E and Yamamoto Y 2002 Phys. Rev. Lett. 89 037902
[9] Wang J, Zhang S, Zhang Q and Tang C J 2011 Chin. Phys. Lett. 28 100301
[10] Tabia G and Englert B 2011 Phys. Lett. A 375 817
[11] Wang X Y, Bai Z L, Wang S F, Li Y M and Peng K C 2013 Chin. Phys. Lett. 30 010305
[12] Stucki D, Walenta N and Vannel F 2009 New J. Phys. 11 075003
[13] Ursin R, Tiefenbacher F and Schmitt-Manderback 2007 Nat. Phys. 3 481
[14] idQuantique, Geneva (Switzerland) (www.idquantique.com); MagiQ Technologies, Inc., New York (http://www.magiqtech.com); and Smart quantum, Lannion (France) (http://www. smartquantum.com)
[15] Han Z F, Mo X F, Gui Y Z and Guo G C 2005 Appl. Phys. Lett. 86 221103
[16] Walborn S P, de Oliveira A N, Thebaldi R S andMonken C H 2004 Phys. Rev. A 69 023811
[17] Molina-Terriza G, Torres J P and Torner L 2007 Nat. Phys. 3 305
[18] Barreiro J T, Wei T C and Kwiat P G 2008 Nat. Phys. 4 282
[19] Leach J, Jack B and Romero J et al 2010 Science 329 662
[20] Dada A, Leach J and Buller G et al 2011 Nat. Phys. 7 677
[21] Zhao S M, Ding J, Dong X and Zheng B Y 2011 Chin. Phys. Lett. 28 124207
[22] Zhao S M, Leach J, Gong L Y, Ding J and Zheng B Y 2012 Opt. Express 20 452
[23] Li J L and Wang C 2010 Chin. Phys. Lett. 27 110303
[24] Grölacher S, Jennewein T and Vaziri A 2006 New J. Phys. 8 75
[25] Gruneisen M T, Miller W A, Dymale R Cand Sweiti A M 2008 Appl. Opt. 47 A32
[26] Spedalieri F M 2006 Opt. Commun. 260 340
[27] Malik M, O'Sullivan M and Rodenburg B 2012 Opt. Express 20 13195
[28] Ali-Khan I, Broadbent C J and Howell J C 2007 Phys. Rev. Lett. 98 060503
[29] Deng F G, Long G L and Liu X S 2003 Phys. Rev. A 68 042317
[30] Lee H, Lim J and Yang H J 2006 Phys. Rev. A 73 042305 |
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
