Advances in quantum cryptography

S Pirandola, UL Andersen, L Banchi… - Advances in optics …, 2020 - opg.optica.org
Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

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 …

Wavelength division multiplexing of continuous variable quantum key distribution and 18.3 Tbit/s data channels

TA Eriksson, T Hirano, BJ Puttnam… - Communications …, 2019 - nature.com
Quantum key distribution (QKD) can offer communication with unconditional security and is
a promising technology to protect next generation communication systems. For QKD to see …

Finite-size security of continuous-variable quantum key distribution with digital signal processing

T Matsuura, K Maeda, T Sasaki, M Koashi - Nature communications, 2021 - nature.com
In comparison to conventional discrete-variable (DV) quantum key distribution (QKD),
continuous-variable (CV) QKD with homodyne/heterodyne measurements has distinct …

Deployed measurement-device independent quantum key distribution and Bell-state measurements coexisting with standard internet data and networking equipment

RC Berrevoets, T Middelburg, RFL Vermeulen… - Communications …, 2022 - nature.com
The forthcoming quantum Internet is poised to allow new applications not possible with the
conventional Internet. The ability for both quantum and conventional networking equipment …

Boosting the secret key rate in a shared quantum and classical fibre communication system

D Bacco, B Da Lio, D Cozzolino, F Da Ros… - Communications …, 2019 - nature.com
During the last 20 years, the advance of communication technologies has generated
multiple exciting applications. However, classical cryptography, commonly adopted to …

First demonstration of 25λ× 10 Gb/s C+ L band classical/DV-QKD co-existence over single bidirectional fiber link

F Honz, F Prawits, O Alia, H Sakr… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
As quantum key distribution has reached the maturity level for practical deployment,
questions about the co-integration with existing classical communication systems are of …

Digital synchronization for continuous-variable quantum key distribution

HM Chin, N Jain, UL Andersen, D Zibar… - Quantum Science and …, 2022 - iopscience.iop.org
Continuous variable quantum key distribution (CV-QKD) is a promising emerging
technology for the distribution of secure keys for symmetric encryption. It can be readily …

SDN-enabled continuous-variable QKD in coexistence with 8× 200 Gb/s 16-QAM classical channels

M Iqbal, A Villegas, MS Moreolo… - … on Optical Network …, 2024 - ieeexplore.ieee.org
We analyze the coexistence of continuous variable quantum key distribution (CV-QKD) and
8× 200Gb/s 16-QAM classical channels, evaluating parameters such as quantum channel …

Crosstalk impact on continuous variable quantum key distribution in multicore fiber transmission

TA Eriksson, BJ Puttnam… - IEEE Photonics …, 2019 - ieeexplore.ieee.org
We investigate the excess noise induced by crosstalk in a trench-assisted homogeneous 19-
core fiber for a continuous variable quantum key distribution (CV-QKD) receiver. Crosstalk is …