Entanglement-based quantum information technology: a tutorial

Z Zhang, C You, OS Magaña-Loaiza… - Advances in Optics …, 2024 - opg.optica.org
Entanglement is a quintessential quantum mechanical phenomenon with no classical
equivalent. First discussed by Einstein, Podolsky, and Rosen and formally introduced by …

Quantum interferometers: principles and applications

RB **, ZQ Zeng, C You, C Yuan - Progress in Quantum Electronics, 2024 - Elsevier
Interference, which refers to the phenomenon associated with the superposition of waves,
has played a crucial role in the advancement of physics and finds a wide range of …

Distributed quantum sensing of multiple phases with fewer photons

DH Kim, S Hong, YS Kim, Y Kim, SW Lee… - Nature …, 2024 - nature.com
Distributed quantum metrology has drawn intense interest as it outperforms the optimal
classical counterparts in estimating multiple distributed parameters. However, most schemes …

Entanglement-enhanced optomechanical sensing

Y **a, AR Agrawal, CM Pluchar, AJ Brady, Z Liu… - Nature …, 2023 - nature.com
Optomechanical systems have been exploited in ultrasensitive measurements of force,
acceleration and magnetic fields. The fundamental limits for optomechanical sensing have …

Experimental multiparameter quantum metrology in adaptive regime

M Valeri, V Cimini, S Piacentini, F Ceccarelli… - Physical Review …, 2023 - APS
Relevant metrological scenarios involve the simultaneous estimation of multiple parameters.
The fundamental ingredient to achieve quantum-enhanced performance is based on the use …

Experimental metrology beyond the standard quantum limit for a wide resources range

V Cimini, E Polino, F Belliardo, F Hoch… - npj Quantum …, 2023 - nature.com
Adopting quantum resources for parameter estimation discloses the possibility to realize
quantum sensors operating at a sensitivity beyond the standard quantum limit. Such an …

Experimental demonstration of topological bounds in quantum metrology

M Yu, X Li, Y Chu, B Mera, FN Ünal… - National Science …, 2024 - academic.oup.com
Quantum metrology is deeply connected to quantum geometry, through the fundamental
notion of quantum Fisher information. Inspired by advances in topological matter, it was …

Digital discovery of 100 diverse quantum experiments with PyTheus

C Ruiz-Gonzalez, S Arlt, J Petermann, S Sayyad… - Quantum, 2023 - quantum-journal.org
Photons are the physical system of choice for performing experimental tests of the
foundations of quantum mechanics. Furthermore, photonic quantum technology is a main …

Experimental Measurement-Device-Independent Quantum Conference Key Agreement

KX Yang, YL Mao, H Chen, X Dong, J Zhu, J Wu… - Physical Review Letters, 2024 - APS
Quantum networks aim to enable quantum information tasks among multiple parties.
Quantum conference key agreement (QCKA) is a typical task in quantum networks, which …

NOON-state interference in the frequency domain

D Lee, W Shin, S Park, J Kim, H Shin - Light: Science & Applications, 2024 - nature.com
The examination of entanglement across various degrees of freedom has been pivotal in
augmenting our understanding of fundamental physics, extending to high dimensional …