Quantum dots for photonic quantum information technology

T Heindel, JH Kim, N Gregersen, A Rastelli… - Advances in Optics …, 2023‏ - opg.optica.org
The generation, manipulation, storage, and detection of single photons play a central role in
emerging photonic quantum information technology. Individual photons serve as flying …

The evolution of quantum key distribution networks: On the road to the qinternet

Y Cao, Y Zhao, Q Wang, J Zhang… - … Surveys & Tutorials, 2022‏ - ieeexplore.ieee.org
Quantum key distribution (QKD) constitutes a symmetric secret key negotiation protocol
capable of maintaining information-theoretic security. Given the recent advances in QKD …

Experimental quantum communication overcomes the rate-loss limit without global phase tracking

L Zhou, J Lin, YM **e, YS Lu, Y **g, HL Yin, Z Yuan - Physical Review Letters, 2023‏ - APS
Secure key rate (SKR) of point-point quantum key distribution (QKD) is fundamentally
bounded by the rate-loss limit. Recent breakthrough of twin-field (TF) QKD can overcome …

An integrated space-to-ground quantum communication network over 4,600 kilometres

YA Chen, Q Zhang, TY Chen, WQ Cai, SK Liao… - Nature, 2021‏ - nature.com
Quantum key distribution (QKD), has the potential to enable secure communication and
information transfer. In the laboratory, the feasibility of point-to-point QKD is evident from the …

Mode-pairing quantum key distribution

P Zeng, H Zhou, W Wu, X Ma - Nature Communications, 2022‏ - nature.com
Quantum key distribution—the establishment of information-theoretically secure keys based
on quantum physics—is mainly limited by its practical performance, which is characterised …

[HTML][HTML] Continuous-variable quantum key distribution system: Past, present, and future

Y Zhang, Y Bian, Z Li, S Yu, H Guo - Applied Physics Reviews, 2024‏ - pubs.aip.org
Quantum key distribution provides secure keys with information-theoretic security ensured
by the principle of quantum mechanics. The continuous-variable version of quantum key …

Breaking the rate-loss bound of quantum key distribution with asynchronous two-photon interference

YM **e, YS Lu, CX Weng, XY Cao, ZY Jia, Y Bao… - Prx Quantum, 2022‏ - APS
Twin-field quantum key distribution can overcome the secret key capacity of repeaterless
quantum key distribution via single-photon interference. However, to compensate for the …

Secure quantum key distribution with realistic devices

F Xu, X Ma, Q Zhang, HK Lo, JW Pan - Reviews of modern physics, 2020‏ - APS
In principle, quantum key distribution (QKD) offers information-theoretic security based on
the laws of physics. In practice, however, the imperfections of realistic devices might …

Entanglement-assisted quantum networks: Mechanics, enabling technologies, challenges, and research directions

Z Li, K Xue, J Li, L Chen, R Li, Z Wang… - … Surveys & Tutorials, 2023‏ - ieeexplore.ieee.org
Over the past few decades, significant progress has been made in quantum information
technology, from theoretical studies to experimental demonstrations. Revolutionary quantum …

Quantum communication using semiconductor quantum dots

DA Vajner, L Rickert, T Gao… - Advanced Quantum …, 2022‏ - Wiley Online Library
Worldwide, enormous efforts are directed toward the development of the so‐called quantum
internet. Turning this long‐sought‐after dream into reality is a great challenge that will …