Single-molecule scale magnetic resonance spectroscopy using quantum diamond sensors

J Du, F Shi, X Kong, F Jelezko, J Wrachtrup - Reviews of Modern Physics, 2024 - APS
Single-molecule technology stands as a powerful tool, enabling the characterization of
intricate structural and dynamic information that would otherwise remain concealed within …

Recent advances and future perspectives of single‐photon avalanche diodes for quantum photonics applications

F Ceccarelli, G Acconcia, A Gulinatti… - Advanced Quantum …, 2021 - Wiley Online Library
Photonic quantum technologies promise a revolution of the world of information processing,
from simulation and computing to communication and sensing, thanks to the many …

Negative quasiprobabilities enhance phase estimation in quantum-optics experiment

N Lupu-Gladstein, YB Yilmaz… - Physical Review Letters, 2022 - APS
Operator noncommutation, a hallmark of quantum theory, limits measurement precision,
according to uncertainty principles. Wielded correctly, though, noncommutation can boost …

Quantum advantage in postselected metrology

DRM Arvidsson-Shukur, N Yunger Halpern… - Nature …, 2020 - nature.com
In every parameter-estimation experiment, the final measurement or the postprocessing
incurs a cost. Postselection can improve the rate of Fisher information (the average …

Quantum circuits for measuring weak values, Kirkwood–Dirac quasiprobability distributions, and state spectra

R Wagner, Z Schwartzman-Nowik… - Quantum Science …, 2024 - iopscience.iop.org
Abstract Weak values and Kirkwood–Dirac (KD) quasiprobability distributions have been
independently associated with both foundational issues in quantum theory and advantages …

Interferometry of quantum correlation functions to access quasiprobability distribution of work

S Hernández-Gómez, T Isogawa, A Belenchia… - npj Quantum …, 2024 - nature.com
Abstract The Kirkwood-Dirac quasiprobability distribution, intimately connected with the
quantum correlation function of two observables measured at distinct times, is becoming …

Kirkwood-Dirac quasiprobability approach to the statistics of incompatible observables

M Lostaglio, A Belenchia, A Levy… - Quantum, 2023 - quantum-journal.org
Recent work has revealed the central role played by the Kirkwood-Dirac quasiprobability
(KDQ) as a tool to properly account for non-classical features in the context of condensed …

Quasiprobability behind the out-of-time-ordered correlator

N Yunger Halpern, B Swingle, J Dressel - Physical Review A, 2018 - APS
Two topics, evolving rapidly in separate fields, were combined recently: the out-of-time-
ordered correlator (OTOC) signals quantum-information scrambling in many-body systems …

Photon-number correlation for quantum enhanced imaging and sensing

A Meda, E Losero, N Samantaray, F Scafirimuto… - Journal of …, 2017 - iopscience.iop.org
In this review we present the potentialities and the achievements of the use of non-classical
photon-number correlations in twin-beam states for many applications, ranging from imaging …

High-resolution spectroscopy of single nuclear spins via sequential weak measurements

M Pfender, P Wang, H Sumiya, S Onoda… - Nature …, 2019 - nature.com
Nuclear magnetic resonance (NMR) of single spins have recently been detected by
quantum sensors. However, the spectral resolution has been limited by the sensor's …