Phase-matching condition for enhancement of phase sensitivity in quantum metrology
We find a phase-matching condition for enhancement of sensitivity in a Mach-Zehnder
interferometer illuminated by an arbitrary state in one input port and an odd (even) state in …
interferometer illuminated by an arbitrary state in one input port and an odd (even) state in …
[HTML][HTML] Scalable multiphoton quantum metrology with neither pre-nor post-selected measurements
The quantum statistical fluctuations of electromagnetic fields establish a limit, known as the
shot-noise limit, on the sensitivity of optical measurements performed with classical …
shot-noise limit, on the sensitivity of optical measurements performed with classical …
Quantum metrology with cold atoms
Quantum metrology is the science that aims to achieve precision measurements by making
use of quantum principles. Attribute to the well-developed techniques of manipulating and …
use of quantum principles. Attribute to the well-developed techniques of manipulating and …
Protection of noise squeezing in a quantum interferometer with optimal resource allocation
W Huang, X Liang, B Zhu, Y Yan, CH Yuan, W Zhang… - Physical Review Letters, 2023 - APS
Interferometers are crucial for precision measurements, including gravitational waves, laser
ranging, radar, and imaging. The phase sensitivity, the core parameter, can be quantum …
ranging, radar, and imaging. The phase sensitivity, the core parameter, can be quantum …
Realistic non-Gaussian-operation scheme in parity-detection-based Mach-Zehnder quantum interferometry
We theoretically analyze phase sensitivity using a parity-detection-based Mach-Zehnder
interferometer (MZI) with the input states generated by performing non-Gaussian operations …
interferometer (MZI) with the input states generated by performing non-Gaussian operations …
Bounds on quantum multiple-parameter estimation with Gaussian state
Y Gao, H Lee - The European Physical Journal D, 2014 - Springer
We investigate the quantum Cramer-Rao bounds on the joint multiple-parameter estimation
with the Gaussian state as a probe. We derive the explicit right logarithmic derivative and …
with the Gaussian state as a probe. We derive the explicit right logarithmic derivative and …
Enhanced Phase Estimation in Parity‐Detection‐Based Mach–Zehnder Interferometer using Non‐Gaussian Two‐Mode Squeezed Thermal Input State
While the quantum metrological advantages of performing non‐Gaussian operations on two‐
mode squeezed vacuum (TMSV) states have been extensively explored, similar studies in …
mode squeezed vacuum (TMSV) states have been extensively explored, similar studies in …
Enhanced interferometry using squeezed thermal states and even or odd states
We derive a general expression of the quantum Fisher information for a Mach-Zehnder
interferometer, with the port inputs of an arbitrary pure state and a squeezed thermal state …
interferometer, with the port inputs of an arbitrary pure state and a squeezed thermal state …
Transmission estimation at the Cramér-Rao bound for squeezed states of light in the presence of loss and imperfect detection
TS Woodworth, KWC Chan, C Hermann-Avigliano… - Physical Review A, 2020 - APS
Enhancing the precision of a measurement requires maximizing the information that can be
gained about the quantity of interest from probing a system. For optical-based …
gained about the quantity of interest from probing a system. For optical-based …
Enhancing precision of atomic clocks by tuning disorder in accessories
We find that a quantum device having an accessory involving precision measurement can
have an enhancement of its metrological precision in estimating an unknown parameter of …
have an enhancement of its metrological precision in estimating an unknown parameter of …