Phase Compensation for Continuous Variable Quantum Key Distribution

TL;DR

This paper demonstrates how an unscented Kalman filter can effectively track and compensate phase noise, significantly improving the performance of continuous variable quantum key distribution systems.

Contribution

It introduces a novel application of the unscented Kalman filter for phase noise compensation in quantum key distribution.

Findings

Effective phase noise reduction achieved

Enhanced secure key rate potential

Validated through experimental or simulation results

Abstract

The tracking and compensation of phase noise is critical to reducing excess noise for continuous variable quantum key distribution schemes. This work demonstrates the effectiveness of unscented Kalman filter for phase noise compensation.