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Simulation and Implementation of Decoy State Quantum Key
Yi Zhao, Bing Qi, Xiongfeng Ma, Hoi-Kwong Lo, Li Qian. Center for Quantum Information and Quantum Control. Department of ... Abstract—Decoy state quantum key distribution (QKD) has ... Recall that the security of BB84 protocol [1] is.
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Experimental Passive Decoy-State Quantum Key Distribution
Jun 20, 2014 ... 2 Center for Quantum Information, Institute for Interdisciplinary Information. Sciences, ... The decoy-state method is widely used in practical quantum key distribution ... Quantum key distribution (QKD) [1, 2] can provide unconditionally secure ..... [11] Hoi-Kwong Lo, Xiongfeng Ma, and Kai Chen. Decoy state ...
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Experimental Quantum Key Distribution with Decoy States
... Key Distribution with Decoy States. Yi Zhao, Bing Qi, Xiongfeng Ma, Hoi- Kwong Lo, Li Qian. Center for Quantum Information and Quantum Control, ... Quantum key distribution (QKD) [1, 2] was proposed as a method of achieving perfectly ...
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Experimental Quantum Key Distribution with Decoy States
Feb 22, 2006 ... ... Decoy States. Yi Zhao, Bing Qi, Xiongfeng Ma, Hoi-Kwong Lo, and Li Qian. Center for Quantum Information and Quantum Control, Department of Physics ... Quantum key distribution (QKD) [1,2] was proposed as a method of ...
[ Decoy_PRL_2006.pdf - Read/Download File

Security of quantum key distribution using weak coherent states with
HOI-KWONG LO. Center for Quantum Information and Quantum Control ... the channel, just as for BB84 with phase-randomized weak coherent-state signals ( when ... In quantum key distribution (QKD) [1], two parties (Alice and Bob) use quantum ... use decoy states [14, 15, 16], security can be proven even for rather strong ...
[ preskill-2007-nonrandom.pdf - Read/Download File

Download as a PDF - CiteSeerX
Zhiyuan Tang, Zhongfa Liao, Feihu Xu, Bing Qi, Li Qian, and Hoi-Kwong Lo ... Quantum key distribution (QKD) allows two parties, Alice and Bob, to share a secret key ... of signal and decoy states are not optimized in their experiment. ... 1. (Color online) Experimental setup of polarization encoding MDI-QKD: Attn, optical at-.
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Quantum Cryptography: from Theory to Practice
Mar 13, 2007 ... Hoi-Kwong Lo and Norbert Lütkenhaus. Center for Quantum Information and Quantum Control,. Department ... writing itself.” [1] With the advent in electronic com- ..... The first and simplest approach is decoy state QKD. [23, 24 ...
[ QCryptReviewLoLutkenhaus.pdf - Read/Download File

Security of high speed quantum key distribution with finite - arXiv.org
Viacheslav Burenkov1,5, Bing Qi2,3, Ben Fortescue4 and Hoi-Kwong Lo1,2,3 ... 2 Center for Quantum Information and Quantum Control, University of Toronto, ... analysis for finite detector dead time is also extended to the decoy state BB84 protocol. ... Quantum key distribution (QKD) [1,2] can be used to expand a secret key ...
[ 1005.0272.pdf - Read/Download File

Decoy State Quantum Key Distribution
May 12, 2005 ... Hoi-Kwong Lo, Xiongfeng Ma, and Kai Chen. Center for Quantum Information and Quantum Control,. Dept. of ... Quantum key distribution (QKD) allows two users, Al- ... a weak decoy state with µdecoy ≪ 1 and a signal state.
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Practical Decoy State for Quantum Key Distribution
Mar 1, 2005 ... Xiongfeng Ma, Bing Qi, Yi Zhao and Hoi-Kwong Lo. Center for Quantum Information and Quantum Control. Department ... The goal of quantum key distribution (QKD) [1] is to allow two distant parties, Alice and Bob, to share a ...
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Phase randomization improves the security of quantum key distribution
Apr 27, 2005 ... Hoi-Kwong Lo,1 and John Preskill2 ... Ideal quantum key distribution (QKD) protocols call for a source that ... cols that use decoy states [11–14], security can be proven ..... Center for Quantum Networks under ARO Grant No.
[ 53f5f7d70cf22be01c3fca75.pdf - Read/Download File

Protocol choice and parameter optimization in decoy-state
May 29, 2014 ... quantum key distribution. Feihu Xu,* He Xu, and Hoi-Kwong Lo ... I. INTRODUCTION. Quantum cryptography or quantum key distribution (QKD).
[ PhysRevA.89.052333 - Read/Download File

Quantum key distribution based on a Sagnac loop interferometer
Apr 25, 2006 ... Bing Qi, Lei-Lei Huang, Hoi-Kwong Lo, Li Qian. Center for Quantum Information and Quantum Control ... as the decoy-state QKD and the continuous-variable QKD. We ... is quantum key distribution (QKD), whose unconditional se- curity is ... 1. a) A phase modulator with one frequency up-shifter; b) A phase.
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Polarization insensitive phase modulator for quantum cryptosystems
Bing Qi, Lei-Lei Huang, Hoi-Kwong Lo, Li Qian. Center for Quantum Information and Quantum Control. Department of ... Sagnac quantum key distribution (QKD) system employing this technique is also proposed. .... Fig.1. (a) A phase modulator with one frequency up-shifter; (b) A phase modulator with a pair of frequency ...
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Finite-key analysis for measurement-device-independent quantum
Apr 29, 2014 ... 2 Center for Quantum Information and. Quantum Control ... It is unequivocal that quantum key distribution (QKD)1,2 needs to bridge the gap ... key rates in this scenario, it is common to use decoy state techniques38–40, ...... Xu, F., Qi, B. & Lo, H.-K. Experimental demonstration of phase-remapping attack in a ...
[ publications:bib:curty2014a.pdf - Read/Download File

Passive preparation of BB84 signal states with coherent light
Marcos CURTY1, Xiongfeng MA2, Hoi-Kwong LO3, and Norbert L ¨ UTKENHAUS4 ... Quantum key distribution, quantum communication, quantum- state ...
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Practical aspects of measurement-device-independent quantum key
Nov 7, 2013 ... Feihu Xu1,4, Marcos Curty2, Bing Qi1,3 and Hoi-Kwong Lo1. 1 Centre for Quantum Information and Quantum Control, Department of. Physics ... Finite decoy-state protocol with two general decoy states. 10. 5. ... Quantum key distribution (QKD) [1–3] enables an unconditionally secure means of distributing.
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Quantum hacking: Experimental demonstration of time-shift attack
Oct 28, 2008 ... Center for Quantum Information and Quantum Control, Department of ... Quantum key distribution QKD 1,2 provides a method ... group has implemented the decoy method experimentally ... state attack and studied its feasibility with their homemade ..... 94, 230503 2005; X. Ma, B. Qi, Y. Zhao, and H. K. Lo,.
[ PhysRevA.78.042333.pdf - Read/Download File

A Comprehensive Survey on: Quantum Cryptography - International
Abstract: Quantum cryptography uses quantum mechanics to guarantee secure communication. .... states, so we require (Ψ| Ψ) = 1 for all states |Ψ) that have a ..... overcome this issue Decoy State quantum key distribution ... kbits of secret key per second, over a point-to-point QKD ... [6] Fung, C-HF, and Hoi-Kwong Lo.
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Quantum Communication Networks - University of Leeds
Jan 9, 2014 ... An introduction to quantum key distribution and its challenges (invited) ..... Feihu Xu, Bing Qi, Zhongfa Liao, and Hoi-Kwong Lo. Centre for ...
[ QCN2014_final_prog_web.pdf - Read/Download File

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