Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

Gaussian states have played an important role in the physics of continuous-variable
quantum systems. They are appealing for the experimental ease with which they can be …

The non-Gaussian operation can be used not only to enhance and distill the entanglement
between Gaussian entangled states, but also to improve the performance of quantum …

Continuous-variable quantum key distribution (CV-QKD) provides an effective way to obtain
the high secret key rate, but is limited by practical techniques. To overcome this limitation …

Quantum photon-catalysis operations can be utilized for improving the performance of
continuous-variable quantum key distribution (CVQKD) systems. Motivated by …

It has been found that non-Gaussian operations can be applied to increase and distill
entanglement between Gaussian entangled states. We show the successful use of the non …

Locking the sophisticated and expensive entanglement sources at the shared relay node is
a promising choice for building a star-type quantum network with efficient use of quantum …

The resource theoretic measure of quantum coherence is basis dependent, and the amount
of coherence contained in a state is different in different bases. We obtained analytical …

We propose a long-distance continuous-variable quantum key distribution (CVQKD) with a
four-state protocol using non-Gaussian state-discrimination detection. A photon subtraction …

We propose a continuous-variable quantum secret sharing scheme based on multi-ring
discrete modulation, which we called MR-CVQSS. In this scheme, phase shift keying (PSK) …