High rate, long-distance quantum key distribution over 250 km of ultra low loss fibres
By D. Stucki, N. Walenta, F. Vannel, R. Thew, Nicolas Gisin, H. Zbinden, S. Gray, C. Towery, S. Ten. 2009
302 citations recorded by the source corpus.
We present a fully automated quantum key distribution prototype running at 625 MHz clock rate. Taking advantage of ultra low loss (ULL) fibres and low-noise superconducting detectors, we can distribute 6000 secret bits s−1 over 100 km and 15 bits s−1 over 250 km.
Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics
View Paper: https://www.semanticscholar.org/paper/eb33aa44f0f8eb3989c6c824b77eabd120f142c9
How researchers see this paper
The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.
In Artificial Intelligence
- Hoi-Kwong Lo
- Marco Tomamichel
- Renato Renner
- Charles Ci Wen Lim
- Nicolas Gisin
- Kiyoshi Tamaki
- Vadim Makarov
- C. Simon
In Atomic and Molecular Physics, and Optics
- Hoi-Kwong Lo
- Marco Tomamichel
- Renato Renner
- Nicolas Gisin
- Kiyoshi Tamaki
- Nicolas Sangouard
- Charles Ci Wen Lim
- C. Simon
Citations in the corpus
- Tight finite-key analysis for quantum cryptography (2011, background): “At the same time, experimental techniques have reached a state of development that enables key distribution at MHz rates over distances of 100 km [9–11].”
- Secure quantum key distribution (2014, methodology): “Of course, this upper limit could be improved if one employs ultra-low loss fibres [45].”
- Full-field implementation of a perfect eavesdropper on a quantum cryptography system. (2010, background): “Technologically, quantum cryptography has matured to experiments over ≤ 250 km distance 4 , and several commercial systems are available.”
- Advances in quantum cryptography (2019, unknown): “[231] D.”
- Quantum repeaters based on atomic ensembles and linear optics (2009, background): “The loss around 800 nm is 2 dB/km. Recent developments have led to the fabrication of ultra-low loss optical fibers, with attenuation as low as 0.16 dB/km (Stucki et al., 2009).”
- Superconducting nanowire single-photon detectors: physics and applications (2012, background): “Since that study, further QKD demonstrations have been reported using SNSPDs: the maximum range has been extended to 250 km (using low loss fibre) [104], novel decoy state protocols have been”