Advances in quantum cryptography

S Pirandola, UL Andersen, L Banchi… - Advances in optics …, 2020 - opg.optica.org
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 …

Advances in photonic quantum sensing

S Pirandola, BR Bardhan, T Gehring, C Weedbrook… - Nature …, 2018 - nature.com
Quantum sensing has become a broad field. It is generally related with the idea of using
quantum resources to boost the performance of a number of practical tasks, including the …

[HTML][HTML] Photonic quantum metrology

E Polino, M Valeri, N Spagnolo, F Sciarrino - AVS Quantum Science, 2020 - pubs.aip.org
Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …

NISQ computing: where are we and where do we go?

JWZ Lau, KH Lim, H Shrotriya, LC Kwek - AAPPS bulletin, 2022 - Springer
In this short review article, we aim to provide physicists not working within the quantum
computing community a hopefully easy-to-read introduction to the state of the art in the field …

Continuous-variable quantum neural networks

N Killoran, TR Bromley, JM Arrazola, M Schuld… - Physical Review …, 2019 - APS
We introduce a general method for building neural networks on quantum computers. The
quantum neural network is a variational quantum circuit built in the continuous-variable (CV) …

Circuit complexity in quantum field theory

RA Jefferson, RC Myers - Journal of High Energy Physics, 2017 - Springer
A bstract Motivated by recent studies of holographic complexity, we examine the question of
circuit complexity in quantum field theory. We provide a quantum circuit model for the …

Quantum Fisher information matrix and multiparameter estimation

J Liu, H Yuan, XM Lu, X Wang - Journal of Physics A …, 2020 - iopscience.iop.org
Quantum Fisher information matrix (QFIM) is a core concept in theoretical quantum
metrology due to the significant importance of quantum Cramér–Rao bound in quantum …

Quantum computational complexity from quantum information to black holes and back

S Chapman, G Policastro - The European Physical Journal C, 2022 - Springer
Quantum computational complexity estimates the difficulty of constructing quantum states
from elementary operations, a problem of prime importance for quantum computation …

Direct observation of deterministic macroscopic entanglement

S Kotler, GA Peterson, E Shojaee, F Lecocq, K Cicak… - Science, 2021 - science.org
Quantum entanglement of mechanical systems emerges when distinct objects move with
such a high degree of correlation that they can no longer be described separately. Although …

Non-Gaussian quantum states and where to find them

M Walschaers - PRX quantum, 2021 - APS
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 …