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 …

Quantum repeaters are indispensable for high-rate, long-distance quantum
communications. The vision of a future quantum internet strongly hinges on realizing …

We introduce a linear optical technique that can implement ideal quantum teleamplification
up to the n th Fock state, where n can be any positive integer. Here teleamplification consists …

It is known that quantum scissors, as non-deterministic amplifiers, can enhance the
performance of Gaussian-modulated continuous-variable quantum key distribution (CV …

Noiseless linear amplifiers (NLAs) provide a powerful tool to achieve long-distance
continuous-variable (CV) quantum key distribution (QKD) in the presence of realistic setups …

We generalize the concept of optical state truncation and noiseless linear amplification to
enable truncation of the Fock-state expansion of an optical state to higher order and to …

Entanglement distillation is a key primitive for distributing high-quality entanglement
between remote locations. Probabilistic noiseless linear amplification based on the quantum …

Transmission losses through optical fibers are one of the main obstacles preventing both
long-distance quantum communications and continuous-variable quantum key distribution …

In practical continuous-variable quantum key distribution system using local local oscillator
(LLO CV-QKD), the phase noise related to coherent detection and phase-reference pulse …

Quantum target detection aims to utilise quantum technologies to achieve performances in
target detection not possible through purely classical means. Quantum illumination is an …