Enhancement of the Quantum Coherence in a Hierarchical Environment System by Weak Measurement and Weak Measurement Reversal
Sign Up to like & getrecommendations! Published in 2023 at "Annalen der Physik"
DOI: 10.1002/andp.202300027
Abstract: The quantum coherence of a two‐qubit system in which each qubit is coupled to its own hierarchical environment is studied. The effect of the hierarchical environment is explored in order to improve the coherence effectively.… read more here.
Keywords: weak measurement; coherence; hierarchical environment; quantum coherence ... See more keywords
Weak Measurement-Based Entanglement Protection of Two-Qubit X-States from Amplitude Damping Decoherence
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-017-3290-1
Abstract: Considering X-states the density matrixes of which look like the letter X, we propose a weak measurement-based entanglement protection protocol of two-qubit X-states under local amplitude damping channels using weak measurement and reversal operation. It… read more here.
Keywords: weak measurement; amplitude damping; two qubit; qubit states ... See more keywords
Enhancing the quantum state transfer between two atoms in separate cavities via weak measurement and its reversal
Sign Up to like & getrecommendations! Published in 2017 at "Quantum Information Processing"
DOI: 10.1007/s11128-017-1706-8
Abstract: Taking the advantage of weak measurement and quantum measurement reversal, we propose a scheme to enhance the fidelity of transferring quantum state from one atom trapped in cavity to another distant one trapped in another… read more here.
Keywords: weak measurement; measurement; measurement reversal; quantum state ... See more keywords
Weak Measurement Enhanced Spin Hall Effect of Light for Particle Displacement Sensing.
Sign Up to like & getrecommendations! Published in 2019 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b04219
Abstract: A spherical nanoparticle can scatter tightly focused optical beams in a spin-segmented manner, meaning that the far field of the scattered light exhibits laterally separated left- and right-handed circularly polarized components. This effect, commonly referred… read more here.
Keywords: spin hall; hall effect; effect; effect light ... See more keywords
Dense coding capacity in correlated noisy channels with weak measurement
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/abf34f
Abstract: Capacity of dense coding via correlated noisy channel is greater than that via uncorrelated noisy channel. It is shown that the weak measurement and reversal measurement need to further improve their quantum dense coding capacity… read more here.
Keywords: capacity correlated; capacity; coding capacity; weak measurement ... See more keywords
Weak measurement with the peak-contrast-ratio pointer
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.103.032212
Abstract: Weak measurement as a nonperturbative theory has been shown to be powerful in the fundamentals of quantum mechanics and high-precision metrology, in which the pointer is of great importance to parameter estimation and experimental design.… read more here.
Keywords: peak contrast; weak measurement; pointer; measurement ... See more keywords
Experimental entanglement-assisted weak measurement of phase shift.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.403711
Abstract: Weak value amplification is a popular method in quantum metrology for enhancing the sensitivity at the expense of the signal intensity. Recently, it was suggested that the trade-off between signal intensity and sensitivity can be… read more here.
Keywords: phase; weak measurement; optics; entanglement assisted ... See more keywords
Optimal weak measurement in the photonic spin Hall effect for arbitrary linear polarization incidence.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.449724
Abstract: The photonic spin Hall effect (SHE) has great potential in precision metrology due to its unique spin modulation characteristics. To improve its potential, the effective enhancement of detection precision has become an important issue. In… read more here.
Keywords: arbitrary linear; weak measurement; spin; measurement ... See more keywords
Toward practical weak measurement wavefront sensing: spatial resolution and achromatism.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.460873
Abstract: The weak measurement wavefront sensor detects the phase gradient of light like the Shack-Hartmann sensor does. However, the use of one thin birefringent crystal to displace light beams results in a wavelength-dependent phase difference between… read more here.
Keywords: spatial resolution; measurement wavefront; wavefront; weak measurement ... See more keywords
Ultra-precise weak measurement-based interfacial biosensors.
Sign Up to like & getrecommendations! Published in 2022 at "Talanta"
DOI: 10.2139/ssrn.4231906
Abstract: In this study, an interfacial biosensing scheme with ultra-precision is proposed. The scheme uses weak measurement techniques to ensure ultra-high sensitivity of the sensing system while improving the stability of the system through self-referencing and… read more here.
Keywords: ultra precise; weak measurement; precise weak; based interfacial ... See more keywords
Demonstration of a New Characterization Method for Weak Measurement
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2022.913035
Abstract: In this work, the difference between the weak measurement method and the weak value amplification process and the classical measurement process is thoroughly discussed, and the transition conditions of the weak value enhancement are obtained.… read more here.
Keywords: method weak; weak measurement; demonstration new; measurement ... See more keywords