Skip to Content
You are currently on the new version of our website. Access the old version .

7 Results Found

  • Article
  • Open Access
7 Citations
4,159 Views
11 Pages

30 January 2021

In quantum key distribution (QKD), there are some security loopholes opened by the gaps between the theoretical model and the practical system, and they may be exploited by eavesdroppers (Eve) to obtain secret key information without being detected....

(This article belongs to the Special Issue Quantum Information and Quantum Optics)
  • Article
  • Open Access
16 Citations
6,494 Views
10 Pages

Continuous Variable Quantum Key Distribution with a Noisy Laser

  • Christian S. Jacobsen,
  • Tobias Gehring and
  • Ulrik L. Andersen

3 July 2015

Existing experimental implementations of continuous-variable quantum key distribution require shot-noise limited operation, achieved with shot-noise limited lasers. However, loosening this requirement on the laser source would allow for cheaper, pote...

(This article belongs to the Special Issue Quantum Cryptography)
  • Article
  • Open Access
1,084 Views
11 Pages

Continuous-Variable Quantum Key Distribution Based on N-APSK Modulation over Seawater Channel

  • Lei Mao,
  • Zhangtao Liang,
  • Zhiyue Zuo,
  • Hang Zhang and
  • Yijun Wang

22 September 2025

A continuous-variable quantum key distribution (CVQKD) can be realized over the seawater channel, but the transmission of quantum signals in seawater media exhibits significant attenuation effects. Therefore, we propose an N-symbol amplitude and phas...

(This article belongs to the Special Issue Recent Advances in Continuous-Variable Quantum Key Distribution)
  • Review
  • Open Access
16 Citations
4,731 Views
14 Pages

The Rationale for the Optimal Continuous-Variable Quantum Key Distribution Protocol

  • Roman Goncharov,
  • Irina Vorontsova,
  • Daniil Kirichenko,
  • Ilya Filipov and ,
  • Iurii Adam,
  • Vladimir Chistiakov,
  • Semyon Smirnov,
  • Boris Nasedkin,
  • Boris Pervushin and
  • Vladimir Egorov
  • + 7 authors+ 2 authors

21 September 2022

This article describes the current technical level of developments in the field of continuous-variable quantum key distribution (CV-QKD). Various classifications are described, the criteria are analyzed, and the optimal protocol is selected. The anal...

(This article belongs to the Section Photonics and Optical Communications)
  • Article
  • Open Access
6 Citations
3,658 Views
18 Pages

Effective Excess Noise Suppression in Continuous-Variable Quantum Key Distribution through Carrier Frequency Switching

  • Jing Dong,
  • Tao Wang,
  • Zhuxuan He,
  • Yueer Shi and ,
  • Lang Li,
  • Peng Huang and
  • Guihua Zeng
  • + 2 authors+ 0 author

31 August 2023

Continuous-variable quantum key distribution (CV-QKD) is a promising protocol that can be easily integrated with classical optical communication systems. However, in the case of quantum-classical co-transmissions, such as dense wavelength division mu...

(This article belongs to the Special Issue Quantum and Classical Physical Cryptography)
  • Article
  • Open Access
6 Citations
4,216 Views
12 Pages

27 June 2023

In the continuous-variable quantum key distribution (CV-QKD) system with a local local oscillator (LLO), the center frequency of the sender and the receiver’s source are not exactly the same and a certain frequency drift exists over time, resul...

(This article belongs to the Section C: Physics)
  • Article
  • Open Access
4 Citations
2,860 Views
8 Pages

7 February 2023

Continuous variable quantum key distribution (CVQKD) can be potentially implemented through seawater channels, whereas the involved oceanic turbulence has a negative effect on the maximal transmission distance of quantum communication systems. Here,...

(This article belongs to the Special Issue Quantum Communication and Quantum Key Distribution)