English
Related papers

Related papers: Measurement-Device-Independenization of Quantum Ke…

200 papers

A main type of obstacles of practical applications of quantum key distribution (QKD) network is various attacks on detection. Measurement-device-independent QKD (MDIQKD) protocol is immune to all these attacks and thus a strong candidate…

Measurement-device-independent quantum key distribution (MDI-QKD), which eliminates all the attacks from the eavesdropper to the measurement party, has been one of the most promising technology for the implementation of end-to-end quantum…

The fabrication of quantum key distribution (QKD) systems typically involves several parties, thus providing Eve with multiple opportunities to meddle with the devices. As a consequence, conventional hardware and/or software hacking attacks…

As quantum key distribution (QKD) emerges as a robust defense against quantum computer threats, significant advancements have been realized by researchers. A pivotal focus has been the development of protocols that not only simplify…

Measurement-device-independent quantum key distribution (MDI-QKD), leaving the detection procedure to the third partner and thus being immune to all detector side-channel attacks, is very promising for the construction of high-security…

Quantum Physics · Physics 2014-05-02 Xiang-Chun Ma , Shi-Hai Sun , Mu-Sheng Jiang , Ming Gui , Lin-Mei Liang

Quantum key distribution (QKD) based on the laws of quantum physics allows the secure distribution of secret keys over an insecure channel. Unfortunately, imperfect implementations of QKD compromise its information-theoretical security.…

Security proofs of quantum key distribution (QKD) often require post-processing schemes to simplify the data structure, and hence the security proof. We show a generic method to improve resulting secure key rates by partially reversing the…

Quantum Physics · Physics 2012-02-29 Xiongfeng Ma , Norbert Lütkenhaus

Vulnerabilities and imperfections of single-photon detectors have been shown to compromise security for quantum key distribution (QKD). The measurement-device-independent QKD (MDI-QKD) appears to be the most appealing solution to solve the…

Quantum Physics · Physics 2016-08-24 Wen-Fei Cao , Yi-Zheng Zhen , Yu-Lin Zheng , Zeng-Bing Chen , Nai-Le Liu , Kai Chen , Jian-Wei Pan

We perform a proof-of-principle demonstration of the measurement-device-independent quantum key distribution (MDI-QKD) protocol using weak coherent states and polarization-encoded qubits over two optical fiber links of 8.5 km each. Each…

Reference-frame-independent measurement-device-independent quantum key distribution (RFI-MDI-QKD) can remove all potential detector side-channel attacks and the requirement of real-time alignment of reference frames. However, all previous…

Quantum Physics · Physics 2021-09-01 Jian-Rong Zhu , Chun-Mei Zhang , Qin Wang

Quantum secure direct communication (QSDC) is the technology to transmit secret information directly through a quantum channel without neither key nor ciphertext. It provides us with a secure communication structure that is fundamentally…

Quantum Physics · Physics 2018-05-21 Zeng-Rong Zhou , Yu-Bo Sheng , Peng-Hao Niu , Liu-Guo Yin , Gui-Lu Long

The time-reversed version of entanglement-based quantum key distribution (QKD), called measurement-device-independent QKD (mdiQKD), was originally introduced to close arbitrary security loopholes of measurement devices. Here we show that…

Quantum Physics · Physics 2014-08-14 Koji Azuma , Kiyoshi Tamaki , William J. Munro

We present a measurement-device-independent quantum key distribution (MDI-QKD) using single photons in a linear superposition of three orthogonal time-bin states, for generating the key. The orthogonal states correspond to three distinct…

Quantum Physics · Physics 2021-02-24 Shashank Kumar Ranu , Anil Prabhakar , Prabha Mandayam

Continuous-variable (CV) measurement-device-independent (MDI) quantum key distribution (QKD) is immune to imperfect detection devices, which can eliminate all kinds of attacks on practical detectors. Here we first propose a CV-MDI QKD…

Quantum Physics · Physics 2021-08-13 Dongyun Bai , Peng Huang , Yiqun Zhu , Hongxin Ma , Tailong Xiao , Tao Wang , Guihua Zeng

Measurement-device-independent quantum key distribution (MDI-QKD) is a technique for quantum-secured communication that eliminates all detector side-channels, although is currently limited by implementation complexity and low secure key…

The existing decoy-state MDI-QKD theory assumes the perfect control of the source states which is a an impossible task for any real setup. In this paper, we study the decoy-state MDI-QKD method with source errors without any presumed…

Quantum Physics · Physics 2017-11-01 Cong Jiang , Zong-Wen Yu , Xiang-Bin Wang

We propose a long-distance continuous-variable measurement-device-independent quantum key distribution (CV-MDI-QKD) protocol with discrete modulation. This kind of discrete-modulated schemes have good compatibility with efficient error…

Quantum Physics · Physics 2019-02-22 Hong-Xin Ma , Peng Huang , Dong-Yun Bai , Tao Wang , Shi-Yu Wang , Wan-Su Bao , Gui-Hua Zeng

Device-independent quantum key distribution (DI-QKD) leverages nonlocal correlations to establish cryptographic keys between two honest parties while making minimal assumptions about the underlying systems. The security of DI-QKD is…

Quantum Physics · Physics 2026-05-20 Pritam Roy , Souradeep Sasmal , Subhankar Bera , Shashank Gupta , Arup Roy , A. S. Majumdar

In this article we present a new prepare and measure quantum key distribution protocol that decouples the necessary quantum channel error estimation from its dependency on sifting, or otherwise post-selecting, the detection outcomes. Rather…

Quantum Physics · Physics 2017-02-27 James E. Troupe , Jacob M. Farinholt

We present a general model on the simulation of the measurement-device independent quantum key distribution (MDI-QKD). It can be used to predict experimental observations of a MDI-QKD with linear channel loss, simulating corresponding…

Quantum Physics · Physics 2013-12-03 Qin Wang , Xiang-Bin Wang