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Quantum secret sharing (QSS) plays a critical role in building the distributed quantum networks. Device-independent (DI) QSS provides the highest security level for QSS. However, the photon transmission loss and extremely low multipartite…

Quantum Physics · Physics 2025-10-16 Qi Zhang , Jia-Wei Ying , Shi-Pu Gu , Xing-Fu Wang , Ming-Ming Du , Wei Zhong , Lan Zhou , Yu-Bo Sheng

Quantum secure direct communication (QSDC) uses the quantum channel to transmit information reliably and securely. In order to eliminate the security loopholes resulting from practical detectors, the measurement-device-independent (MDI)…

Quantum Physics · Physics 2022-12-13 Xiang-Jie Li , Dong Pan , Gui-Lu Long , Lajos Hanzo

Quantum digital signatures (QDSs), which distribute and measure quantum states by key generation protocols and then sign messages via classical data processing, are a key area of interest in quantum cryptography. However, the practical…

Quantum Physics · Physics 2024-07-16 Jing-Wei Bian , Bing-Hong Li , Yuan-Mei Xie , Hua-Lei Yin , Zeng-Bing Chen

Quantum secret sharing (QSS) plays a pivotal role in multiparty quantum communication, ensuring the secure distribution of private information among multiple parties. However, the security of QSS schemes can be compromised by attacks…

Quantum Physics · Physics 2025-04-03 Tianqi Liu , Jiancheng Lai , Zhenhua Li , Tao Li

The measurement-device-independent quantum key distribution (MDI-QKD) protocol has been proposed for the purpose of removing the detector side channel attacks. Due to the multi-photon events of coherent states sources, real-life…

Quantum Physics · Physics 2023-07-19 Mo Li , Chun-Mei Zhang , Zhen-Qiang Yin , Wei Chen , Shuang Wang , Guang-Can Guo , Zheng-Fu Han

Quantum memories are enabling devices for extending the reach of quantum key distribution (QKD) systems. The required specifications for memories are, however, often considered too demanding for available technologies. One can change this…

Quantum Physics · Physics 2016-11-17 Nicoló Lo Piparo , Mohsen Razavi , Christiana Panayi

Device-independent quantum secret sharing (DI QSS) relaxes security assumptions of experimental devices to provide the highest security level for QSS. Previous DI QSS protocols require to generate multi-partite entangled states and then…

Quantum Physics · Physics 2025-05-19 Qi Zhang , Cheng Zhang , Wei Zhong , Ming-Ming Du , Lan Zhou , Yu-Bo Sheng

Measurement-device-independent entanglement witness (MDI-EW) will always give an affirmative certification for witnessing entanglement with untrusted measurement apparatuses. Using the MDI-EW method, we propose a…

Quantum Physics · Physics 2017-02-09 Xiuqing Yang , Kejin Wei , Haiqiang Ma , Shihai Sun , Hongwei Liu , Zuohan Li , Zhenqiang Yin , Yungang Du , Lingan Wu

The measurement-device-independent quantum key distribution (MDI-QKD) possesses the highest security among all practical quantum key distribution protocols. However, existing multi-intensity decoy-state methods may cause loopholes when…

Quantum Physics · Physics 2019-05-22 Chun-Hui Zhang , Chun-Mei Zhang , Qin Wang

Measurement-device-independent quantum key distribution (MDI-QKD) removes all detector side channels and enables secure QKD with an untrusted relay. It is suitable for building a star-type quantum access network, where the complicated and…

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

Quantum secure direct communication (QSDC) enables the message sender to directly send secure messages to the receiver through the quantum channel without keys. Device-independent (DI) and measurement-device-independent (MDI) QSDC protocols…

Quantum Physics · Physics 2024-11-19 Cheng Liu , Cheng Zhang , Shi-Pu Gu , Xing-Fu Wang , Lan Zhou , Yu-Bo Sheng

Quantum secure direct communication (QSDC) is a quantum communication paradigm that transmits confidential messages directly using quantum states. Measurement-device-independent (MDI) QSDC protocols can eliminate the security loopholes…

Quantum Physics · Physics 2024-04-04 Xiangjie Li , Min Wang , Xingbo Pan , Yunrong Zhang , Guilu Long

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

A novel protocol - measurement-device-independent quantum key distribution (MDI-QKD) - removes all attacks from the detection system, the most vulnerable part in QKD implementations. In this paper, we present an analysis for practical…

Quantum Physics · Physics 2013-11-14 Feihu Xu , Marcos Curty , Bing Qi , Hoi-Kwong Lo

Secure cryptographic protocols are indispensable for modern communication systems. It is realized through an encryption process in cryptography. In quantum cryptography, Quantum Key Distribution (QKD) is a widely popular quantum…

Quantum Physics · Physics 2020-07-03 Arunaday Gupta , Bikash K. Behera , Prasanta K. Panigrahi

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

Quantum secure direct communication (QSDC) is an important branch of quantum communication that transmits confidential message directly in a quantum channel without utilizing encryption and decryption. It not only prevents eavesdropping…

Quantum Physics · Physics 2020-06-29 Peng-Hao Niu , Jia-Wei Wu , Liu-Guo Yin , Gui-Lu Long

We present a detailed description of a widely applicable mathematical model for quantum key distribution (QKD) systems implementing the measurement-device-independent (MDI) protocol. The model is tested by comparing its predictions with…

Quantum Physics · Physics 2014-05-22 Philip Chan , Joshua A. Slater , Itzel Lucio-Martinez , Allison Rubenok , Wolfgang Tittel

The quantum cryptographic conferencing (QCC) protocol, which distributes identical secure keys to user groups, is a crucial component of the quantum network. Previous experimental works have implemented the measurement-device-independent…

Quantum Physics · Physics 2026-02-25 Yifeng Du , Yang Hu , Yufeng Liu , Wenhan Yan , Jinghao Zhang , Shining Zhu , Xiao-Song Ma
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