Related Experiment Video
Updated: May 28, 2026
12:19
Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
Published on: April 4, 2017
Continuous-Variable Quantum Secret Sharing Through Microwave-Enabled Turbulent Channels with
Weihan Zhang1, Zhangtao Liang2, Yun Mao3
1School of Computer Science, Beijing University of Posts and Telecommunications, Beijing 100876, China.
Entropy (Basel, Switzerland)
|May 26, 2026
Summary
This study introduces a new microwave quantum secret sharing (QSS) method for turbulent free-space channels. The system uses adaptive techniques and a measurement-device-independent design for secure, turbulence-resistant quantum communication.
Area of Science:
- Quantum Information Science
- Free-Space Optical Communications
- Microwave Engineering
Background:
- Quantum secret sharing (QSS) has been demonstrated in optical fibers.
- Extending QSS to microwave frequencies over turbulent channels faces challenges due to signal jitter and decoherence.
Purpose of the Study:
- To propose a microwave-enabled continuous-variable quantum secret sharing (CVQSS) scheme for turbulent free-space channels.
- To address the sensitivity of microwave quantum states to environmental turbulence.
- To develop a turbulence-resistant quantum communication protocol.
Main Methods:
- Implemented the Shamir threshold scheme for multi-user secret sharing.
- Utilized adaptive phase compensation and multi-aperture reception techniques.
- Characterized the noise channel using the Kolmogorov turbulence model.
- Adopted a measurement-device-independent (MDI) architecture.
Main Results:
- Numerical simulations confirmed the performance of the proposed microwave continuous-variable measurement-device-independent quantum secret sharing (CV-MDI-QSS) system.
- Demonstrated the feasibility of deploying the system in complex turbulent channels.
- The MDI architecture provides immunity to detector-side attacks.
Conclusions:
- The proposed CV-MDI-QSS scheme offers a robust solution for secure quantum communication in harsh, turbulent free-space environments.
- This technology supports the development of dynamic quantum networks utilizing microwave propagation.
- The protocol effectively mitigates turbulence-induced signal degradation.
Related Concept Videos
00:59Propagation of Uncertainty from Random Error
An experiment often consists of more than a single step. In this case, measurements at each step give rise to uncertainty. Because the measurements occur in successive steps, the uncertainty in one step necessarily contributes to that in the subsequent step. As we perform statistical analysis on these types of experiments, we must learn to account for the propagation of uncertainty from one step to the next. The propagation of uncertainty depends on the type of arithmetic operation performed on...
01:10Propagation of Uncertainty from Systematic Error
The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this particular...