Abstract Entanglement and Einstein–Podolsky–Rosen (EPR) steering are nonlocal quantum
correlations, which are relevant resources for quantum information protocols. EPR steering …

In recent years, discrete-modulated continuous-variable quantum key distribution (DM-CV-
QKD) has gained traction due to its practical advantages: cost-effectiveness, simple state …

Quantum key distribution (QKD) and quantum random number generation (QRNG) will play
a key role in the future of data communication security. QKD can be used by trusted parties …

Continuous-variable quantum key distribution (CV QKD) using optical coherent detectors is
practically favorable due to its low implementation cost, flexibility of wavelength division …

In recent research, there has been a significant focus on establishing robust quantum
cryptography using the continuous-variable quantum key distribution (CV-QKD) protocol …

Quantum key distribution (QKD) has been proven to be theoretically unconditionally secure.
However, any theoretical security proof relies on certain assumptions. In QKD, the …

Quantum key distribution (QKD) promises everlasting security based on the laws of physics.
Most common protocols are grouped into two distinct categories based on the degrees of …

We consider a toy model of noise channels, given by a random mixture of unitary operations,
for state transfer problems with continuous variables. Assuming that the path between the …

As quantum key distribution (QKD) emerges as a robust defense against quantum computer
threats, significant advancements have been realized by researchers. A pivotal focus has …

Discrete-variable quantum key distribution (DV-QKD) has recently been implemented using
a homodyne detection system, and a notable secret key rate can be achieved by employing …