In previous continuous-variable quantum key distribution (CV-QKD) systems, the
transmission rate is limited by the Nyquist criterion. Since the data symbols transmit without …

The discrete-modulated continuous-variable quantum key distribution (DM-CV-QKD) could
break the distance limitation of Gaussian-modulated CV-QKD. In practice, the high …

Continuous-variable quantum key distribution (CV-QKD) offers an approach to achieve a
potential high secret key rate (SKR) in metropolitan areas. There are several challenges in …

Quantum key distribution (QKD) is an effective solution to ensure the secure transmission of
information. However, for the large-scale application of QKD, the interoperability and …

Dual-polarization division multiplexing (DPDM) is considered to be a potential method to
boost the secure key rate (SKR) of the continuous-variable quantum key distribution (CV …

Quantum key distribution (QKD) is one quantum technology that can provide secure
encryption keys for data transmission. The secret key rate (SKR) is a core performance …

Continuous variable quantum key distribution (CVQKD) based on a simultaneous quantum
and classical communication (SQCC) protocol can use a single coherent communication …

In continuous-variable quantum key distribution (CV-QKD), the key information are encoded
on quadratures of the optical field, which are measured via balanced homodyne detector …

Multi-carrier continuous-variable quantum key distribution (CV-QKD) is considered to be a
promising way to boost the secret key rate (SKR) over the existing single-carrier CV-QKD …

Performance analysis of continuous-variable quantum key distribution (CVQKD) has been
one of the focuses of quantum communications. In this paper, we propose an approach to …