English
Related papers

Related papers: Machine Learning for Optimal Parameter Prediction …

200 papers

Despite the robust security guarantees of Quantum Key Distribution (QKD), its practical deployment is significantly challenged by the dynamic nature of quantum channels and the complexity of real-time parameter optimization. In this paper,…

Quantum Physics · Physics 2026-03-05 Noureldin Mohamed , Jawaher Kaldari , Saif Al-Kuwari

The parameters choosing (such as probabilities of choosing X-basis or Z-basis, intensity of signal state and decoy state, etc.) and system calibrating will be more challenging when the number of users of a measurement-device-independent…

Quantum Key Distribution (QKD) offers theoretically unbreakable security by leveraging quantum mechanics. However, practical implementation is challenged by environmental vulnerabilities, noise, and hardware imperfections. Recently, Machine…

Quantum Physics · Physics 2026-03-10 Ali Al-Kuwari , Safaa Alqrinawi , Lujayn Al-Amir , Amina Mollazehi , Saif Al-Kuwari

Quantum Key Distribution (QKD) allows unconditionally secure communication based on the laws of quantum mechanics rather then assumptions about computational hardness. Optimizing the operation parameters of a given QKD implementation is…

Continuous-variable quantum key distribution (CV QKD) with discrete modulation has attracted increasing attention due to its experimental simplicity, lower-cost implementation and compatibility with classical optical communication.…

Quantum Physics · Physics 2022-04-27 Zhi-Ping Liu , Min-Gang Zhou , Wen-Bo Liu , Chen-Long Li , Jie Gu , Hua-Lei Yin , Zeng-Bing Chen

This paper proposes an optimization of Quantum Key Distribution (QKD) Networks using Graph Neural Networks (GNN) framework. Today, the development of quantum computers threatens the security systems of classical cryptography. Moreover, as…

Quantum Physics · Physics 2025-11-21 Akshit Pramod Anchan , Ameiy Acharya , Leki Chom Thungon

Measurement-device-independent quantum key distribution (MDI-QKD) has been demonstrated in both laboratories and field-tests using attenuated lasers combined with the decoy-state technique. Although researchers have studied various…

Quantum Physics · Physics 2014-06-03 Feihu Xu , He Xu , Hoi-Kwong Lo

Quantum Key Distribution (QKD) is a pivotal technology in the quest for secure communication, harnessing the power of quantum mechanics to ensure robust data protection. However, scaling QKD to meet the demands of high-speed, real-world…

Quantum Physics · Physics 2024-09-13 Hasan Abbas Al-Mohammed , Saif Al-Kuwari , Hashir Kuniyil , Ahmed Farouk

In practical implementation of quantum key distributions (QKD), it requires efficient, real-time feedback control to maintain system stability when facing disturbance from either external environment or imperfect internal components.…

Quantum Physics · Physics 2019-08-07 Jing-Yang Liu , Hua-Jian Ding , Chun-Mei Zhang , Shi-Peng Xie , Qin Wang

Quantum Key Distribution (QKD) can provide information-theoretically secure communications and is a strong candidate for the next generation of cryptography. However, in practice, the performance of QKD is limited by "practical…

Quantum Physics · Physics 2020-04-24 Wenyuan Wang

A Quantum Key Distribution (QKD) network is an infrastructure that allows the realization of the key distribution cryptographic primitive over long distances and at high rates with information-theoretic security. In this work, we consider…

Quantum Physics · Physics 2009-09-30 Romain Alleaume , Francois Roueff , Eleni Diamanti , Norbert Lutkenhaus

Quantum key distribution (QKD) has emerged as a promising solution to protect current cryptographic systems against the threat of quantum computers. As QKD transitions from laboratories to real-world applications, its implementation under…

Quantum Physics · Physics 2026-05-22 Hashir Kuniyil , Saif Al-Kuwari , Asad Ali , Artur Czerwinski , Syed M. Arslan

Device variability is a bottleneck for the scalability of semiconductor quantum devices. Increasing device control comes at the cost of a large parameter space that has to be explored in order to find the optimal operating conditions. We…

Efficient quantum control is necessary for practical quantum computing implementations with current technologies. Conventional algorithms for determining optimal control parameters are computationally expensive, largely excluding them from…

Quantum key distribution (QKD) can provide point-to-point information-theoretic secure key services for two connected users. In fact, the development of QKD networks needs more focus from the scientific community in order to broaden the…

Quantum Physics · Physics 2022-07-13 Jia-Meng Yao , Ya-Xing Wang , Qiong Li , Hao-Kun Mao , Ahmed A. Abd El-Latif , Nan Chen

Quantum Key Distribution (QKD) is rapidly transitioning from cutting-edge laboratory research to real-world deployment in established communication networks. Although QKD promises future-proof security, practical challenges stil exist due…

Quantum key distribution (QKD) systems require optimal performance of both quantum and classical channels - utilizing as few as possible qubits and bits for establishing as many as possible key bits. Here we report a way to determine if a…

Quantum Physics · Physics 2025-12-12 Georgi Bebrov

Quantum key distribution (QKD) has emerged as a critical component of secure communication in the quantum era, ensuring information-theoretic security. Despite its potential, there are issues in optimizing key generation rates, enhancing…

Quantum Physics · Physics 2025-11-04 Bikash K. Behera , Saif Al-Kuwari , Ahmed Farouk

Quantum Key Distribution (QKD) networks harness the principles of quantum physics in order to securely transmit cryptographic key material, providing physical guarantees. These networks require traditional management and operational…

Networking and Internet Architecture · Computer Science 2026-01-28 Jorge López , Charalampos Chatzinakis , Marc Cartigny

Quantum optimal control is a promising approach to improve the accuracy of quantum gates, but it relies on complex algorithms to determine the best control settings. CPU or GPU-based approaches often have delays that are too long to be…

‹ Prev 1 2 3 10 Next ›