Nonperturbative theory of weak pre-and post-selected measurements

AG Kofman, S Ashhab, F Nori - Physics Reports, 2012 - Elsevier
This paper starts with a brief review of the topic of strong and weak pre-and post-selected
(PPS) quantum measurements, as well as weak values, and afterwards presents original …

Phase estimation with weak measurement using a white light source

XY Xu, Y Kedem, K Sun, L Vaidman, CF Li, GC Guo - Physical review letters, 2013 - APS
We report results of a high precision phase estimation based on a weak measurement
scheme using a commercial light-emitting diode. The method is based on a measurement of …

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 …

Weak-values technique for velocity measurements

GI Viza, J Martínez-Rincón, GA Howland, H Frostig… - Optics letters, 2013 - opg.optica.org
In a recent Letter, Brunner and Simon proposed an interferometric scheme using imaginary
weak values with a frequency-domain analysis to outperform standard interferometry in …

Significance of the imaginary part of the weak value

J Dressel, AN Jordan - Physical Review A—Atomic, Molecular, and Optical …, 2012 - APS
Unlike the real part of the generalized weak value of an observable, which can in a restricted
sense be operationally interpreted as an idealized conditioned average of that observable in …

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 …

Using technical noise to increase the signal-to-noise ratio of measurements via imaginary weak values

Y Kedem - Physical Review A—Atomic, Molecular, and Optical …, 2012 - APS
The advantages of weak measurements, and especially measurements of imaginary weak
values, for precision enhancement, are discussed. A situation is considered in which the …

Suppressing technical noise in weak measurements by entanglement

S Pang, TA Brun - Physical Review A, 2015 - APS
Postselected weak measurement has aroused broad interest for its distinctive ability to
amplify small physical quantities. However, the low postselection efficiency to obtain a large …

High-precision temperature measurement based on weak measurement using nematic liquid crystals

H Li, JZ Huang, Y Yu, Y Li, C Fang, G Zeng - Applied Physics Letters, 2018 - pubs.aip.org
High-precision temperature measurements could guarantee temperature difference control
accuracy in research and industrial production. To flexibly achieve high precision and large …

[HTML][HTML] Complete chiroptical signal detection using weak measurement with intensity-contrast-ratio pointers

Y Wang, S Yang, Q Zhang, Y Chen, X Hu, H Zhang… - APL Photonics, 2023 - pubs.aip.org
Chiroptical signals, including optical rotation (OR) and circular dichroism (CD), are widely
utilized as potent probes for investigating the structure and properties of chiral molecules …