Real-time Quadrature Measurements with Random Optical Attenuations
Acquire and process quadrature measurements in real-time at randomly chosen optical attenuations to detect attacks by revealing deviations in the expected linear relationship between signal and noise variances.
Literature
| [KunzJacques2015] | S. Kunz-Jacques and P. Jouguet. "Robust shot-noise measurement for continuous-variable quantum key distribution" In: Phys. Rev. A 91, 022307. (2015) 10.1103/PhysRevA.91.022307. |
Technique → Countermeasures
List of techniques where this countermeasure can be applied.
Items: 4
| Description | Technique |
|---|---|
|
Employ Real-time Quadrature Measurements with Random Optical Attenuations. |
CV Detector-Control Attack |
|
Using real-time quadrature measurements with random optical attenuations. |
Wavelength-Dependent Beamsplitter Attack on CV-QKD |
|
Use real-time quadrature measurement with random optical attenuation. |
Manipulation of Vacuum-Noise Estimation |
|
Using real-time quadrature measurements with random optical attenuations. |
Saturation Attack |
| Open Access SQOUT