English
Related papers

Related papers: Continuous-variable Measurement Device Independent…

200 papers

Building scalable and secure quantum networks requires advanced quantum key distribution (QKD) protocols that support multi-user connectivity. Continuous-variable (CV) measurement-device-independent (MDI) QKD, which eliminates all detector…

Quantum Physics · Physics 2024-10-18 Adnan A. E. Hajomer , Ulrik L Andersen , Tobias Gehring

Continuous variable quantum key distribution (CV-QKD), utilizes continuous variables encoding such as the quadra-ture components of the quantized electromagnetic field and coherent detection decoding, offering good compatibility with the…

Quantum Physics · Physics 2025-07-22 Pu Wang , Yan Tian , Yongmin Li

We propose a continuous-variable measurement-device-independent quantum key distribution (CV-MDI QKD) protocol, in which detection is conducted by an untrusted third party. Our protocol can defend all detector side channels, which seriously…

Quantum Physics · Physics 2014-05-13 Zhengyu Li , Yi-Chen Zhang , Feihu Xu , Xiang Peng , Hong Guo

A continuous-variable measurement-device-independent quantum key distribution (CV-MDI QKD) protocol using squeezed states is proposed where the two legitimate partners send Gaussian-modulated squeezed states to an untrusted third party to…

Quantum Physics · Physics 2014-11-20 Yi-Chen Zhang , Zhengyu Li , Song Yu , Wanyi Gu , Xiang Peng , Hong Guo

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

We present a rigorous security analysis of Continuous-Variable Measurement-Device Independent Quantum Key Distribution (CV MDI QKD) in a finite size scenario. The security proof is obtained in two steps: by first assessing the security…

Quantum Physics · Physics 2018-06-12 Cosmo Lupo , Carlo Ottaviani , Panagiotis Papanastasiou , Stefano Pirandola

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

We introduce a robust scheme for long-distance continuous-variable (CV) measurement-device-independent (MDI) quantum key distribution (QKD) in which we employ post-selection between distant parties communicating through the medium of an…

Continuous-variable measurement-device-independent quantum key distribution (CV-MDI QKD) can address vulnerabilities on the detection side of a QKD system. The core of this protocol involves continuous-variable Bell measurements performed…

Quantum Physics · Physics 2025-12-19 Yanhao Sun , Ziyang Chen , Xiangyu Wang , Song Yu , Hong Guo

The field of space communications is the realm of communication technologies where diffraction and atmospheric effects, both of which contribute to loss and noise, become overriding. The pertinent questions here are how and at which rate…

Quantum Physics · Physics 2023-10-27 Masoud Ghalaii , Stefano Pirandola

Measurement-device-independent quantum key distribution (MDI-QKD) protocol was proposed to remove all the detector side channel attacks, while its security relies on the trusted encoding systems. Here we propose a one-sided MDI-QKD…

Quantum Physics · Physics 2018-01-18 Wen-Fei Cao , Yi-Zheng Zhen , Yu-Lin Zheng , Li Li , Zeng-Bing Chen , Nai-Le Liu , Kai Chen

Continuous-variable measurement-independent-device quantum key distribution (CV-MDI-QKD) can offer high secure key rate at metropolitan distance and remove all side channel loopholes of detection as well. However, there is no complete…

Quantum Physics · Physics 2019-01-11 Hua-Lei Yin , Wei Zhu , Yao Fu

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…

Quantum key distribution (QKD) enables two remote parties to grow a shared key which they can use for unconditionally secure communication [1]. The applicable distance of a QKD protocol depends on the loss and the excess noise of the…

Quantum Physics · Physics 2012-10-08 Lars S. Madsen , Vladyslav C. Usenko , Mikael Lassen , Radim Filip , Ulrik L. Andersen

Measurement-device-independent quantum key distribution (MDI-QKD) provides a method for secret communication whose security does not rely on trusted measurement devices. In all existing MDI-QKD protocols, the participant Charlie has to…

Quantum Physics · Physics 2022-04-15 Guang Ping He

We propose a multiple-input multiple-output (MIMO) quantum key distribution (QKD) scheme for terahertz (THz) frequency applications operating at room temperature. Motivated by classical MIMO communications, a transmit-receive beamforming…

Information Theory · Computer Science 2021-07-13 Neel Kanth Kundu , Soumya P. Dash , Matthew R. McKay , Ranjan K. Mallik

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

The ultimate aim of quantum key distribution (QKD) is improving the performance of transmission distance and key generation speed. Unfortunately, it is believed to be limited by the secret-key capacity of quantum channel without quantum…

Quantum Physics · Physics 2019-03-22 Hua-Lei Yin , Yao Fu

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) can eliminate all detector side-channel loopholes and has shown excellent performance in long-distance secret keys sharing. Conventional security proofs, however, require…

Quantum Physics · Physics 2022-02-09 Hua-Jian Ding , Xing-Yu Zhou , Chun-Hui Zhang , Jian Li , Qin Wang
‹ Prev 1 2 3 10 Next ›