Asymptotic theory of quantum channel estimation

S Zhou, L Jiang - PRX Quantum, 2021 - APS
The quantum Fisher information (QFI), as a function of quantum states, measures the
amount of information that a quantum state carries about an unknown parameter. The …

Optimal probes and error-correction schemes in multi-parameter quantum metrology

W Górecki, S Zhou, L Jiang… - Quantum, 2020 - quantum-journal.org
We derive a necessary and sufficient condition for the possibility of achieving the
Heisenberg scaling in general adaptive multi-parameter estimation schemes in presence of …

Quantum error correction-inspired multiparameter quantum metrology

S Omanakuttan, JA Gross, TJ Volkoff - arXiv preprint arXiv:2409.16515, 2024 - arxiv.org
We present a novel strategy for obtaining optimal probe states and measurement schemes
in a class of noiseless multiparameter estimation problems with symmetry among the …

Highly photon-loss-tolerant quantum computing using hybrid qubits

S Omkar, YS Teo, SW Lee, H Jeong - Physical Review A, 2021 - APS
We investigate a scheme for topological quantum computing using optical hybrid qubits and
make an extensive comparison with previous all-optical schemes. We show that the photon …

Enhancing quantum metrology for multiple frequencies of oscillating magnetic fields by quantum control

X Lei, J Fan, S Pang - Chinese Physics B, 2024 - iopscience.iop.org
Quantum multi-parameter estimation has recently attracted increased attention due to its
wide applications, with a primary goal of designing high-precision measurement schemes …

Dynamically producing asymmetric interferometric power under dephasing

H Li, Q Zheng, Q Zhi, Y Li - Physical Review A, 2022 - APS
Interferometric power, based on the minimal quantum Fisher information in a black-box
interferometer, can be used to measure general quantum correlation in a bipartite system …

Error-corrected quantum metrology

S Zhou - 2021 - search.proquest.com
Quantum metrology, which studies parameter estimation in quantum systems, has many
applications in science and technology ranging from frequency spectroscopy to gravitational …

Error mitigation in quantum metrology via zero noise extrapolation

Z Zhao, KC Tan - arXiv preprint arXiv:2101.03766, 2021 - arxiv.org
We consider Zero Noise Extrapolation (ZNE) as an error mitigation strategy in quantum
metrology. It is shown that noise expansion can be systematically performed over sufficiently …

Improving the Precision of Multi-Parameter Estimation by Quantum Error Correction Based on Continuous Detection Error

H Hong, X Lu, S Kuang - Available at SSRN 4040629, 2022 - papers.ssrn.com
In this paper, a quantum error correction scheme combined with quantum feedback control
is proposed, which can achieve the Heisenberg limit even if the Hamiltonian-Not-in-Lindblad …

[PDF][PDF] EliScholar–A Digital Platform for Scholarly Publishing at Yal e

WS Hill - 2021 - core.ac.uk
Abstract A Constitution Contested: Governors, Assemblies, and Imperial Politics in Jamaica
and New York, 1675-1730 Winston Sinclair Hill 2021 This dissertation focuses on the …