Colloquium: Understanding quantum weak values: Basics and applications

J Dressel, M Malik, FM Miatto, AN Jordan… - Reviews of Modern Physics, 2014 - APS
Since its introduction 25 years ago, the quantum weak value has gradually transitioned from
a theoretical curiosity to a practical laboratory tool. While its utility is apparent in the recent …

Technical advantages for weak-value amplification: when less is more

AN Jordan, J Martínez-Rincón, JC Howell - Physical Review X, 2014 - APS
The technical merits of weak-value-amplification techniques are analyzed. We consider
models of several different types of technical noise in an optical context and show that weak …

Unifying theory of quantum state estimation using past and future information

A Chantasri, I Guevara, KT Laverick, HM Wiseman - Physics Reports, 2021 - Elsevier
Quantum state estimation for continuously monitored dynamical systems involves assigning
a quantum state to an individual system at some time, conditioned on the results of …

When amplification with weak values fails to suppress technical noise

GC Knee, EM Gauger - Physical Review X, 2014 - APS
The application of postselection to a weak quantum measurement leads to the phenomenon
of weak values. Expressed in units of the measurement strength, the displacement of a …

Estimation of optical rotation of chiral molecules with weak measurements

X Qiu, L Xie, X Liu, L Luo, Z Zhang, J Du - Optics letters, 2016 - opg.optica.org
From its beginning, the measurement of optical rotation (OR) is crucial for the analysis of
chiral molecules in many fields. However, the precision measurement of a weak OR signal …

Improving the precision of weak measurements by postselection measurement

S Pang, TA Brun - Physical review letters, 2015 - APS
Postselected weak measurement is a useful protocol for amplifying weak physical effects.
However, there has recently been controversy over whether it gives any advantage in …

Determination of magneto-optical constant of Fe films with weak measurements

X Qiu, X Zhou, D Hu, J Du, F Gao, Z Zhang… - Applied Physics …, 2014 - pubs.aip.org
In this letter, a detecting method for the magneto-optical constant is presented by using weak
measurements. The photonic spin Hall effect (PSHE), which manifests itself as spin …

Experimentally quantifying the advantages of weak-value-based metrology

GI Viza, J Martínez-Rincón, GB Alves, AN Jordan… - Physical Review A, 2015 - APS
We experimentally investigate the relative advantages of implementing weak-value-based
metrology versus standard methods. While the techniques outlined herein apply more …

Entanglement-assisted weak value amplification

S Pang, J Dressel, TA Brun - Physical Review Letters, 2014 - APS
Large weak values have been used to amplify the sensitivity of a linear response signal for
detecting changes in a small parameter, which has also enabled a simple method for …

Enhanced weak-value amplification via photon recycling

C Krafczyk, AN Jordan, ME Goggin, PG Kwiat - Physical review letters, 2021 - APS
In a quantum-noise limited system, weak-value amplification using postselection normally
does not produce more sensitive measurements than standard methods for ideal detectors …