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Quantifying quantum-amplified metrology via Fisher information

G. S. Agarwal1,2 and L. Davidovich1,3

  • 1Institute for Quantum Science and Engineering, Texas A&M University, College Station, Texas 77843, USA
  • 2Departments of Biological and Agricultural Engineering and Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
  • 3Instituto de Física, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-972, Brazil

Quantum geometric tensor for the group SU(1,1)

Tharon Holdsworth and Girish S. Agarwal

Phys. Rev. Research 8 L032038 (2026)

Squeezing Enhanced Two Phase Estimation With N Particle W States

Huan Zhang, Guofu Yin, Ying Xia, Bing He, Xiuxing Zhang, Shoukang Chang, and Wei Ye

Adv Quantum Tech 9 e70426 (2026)

Phase Sensitivity Optimization For a Hybrid Mach‐Zehnder Interferometer With Internal Parametric Amplifiers and One Input in the Vacuum State

Karunesh K. Mishra and Stefan Ataman

Adv Quantum Tech 9 e70497 (2026)

No title available

Sebastian Saner

Harnessing quantum chaos in spin-boson models for all-purpose quantum-enhanced sensing

Y. Zhang, J. C. Zuñiga Castro, and R. J. Lewis-Swan

Phys. Rev. Research 7 013227 (2025)

Quantum metrology with higher-order exceptional points in atom-cavity magnonics

Minwei Shi, Guzhi Bao, Jinxian Guo, and Weiping Zhang

Phys. Rev. Research 7 L022034 (2025)

Saturation of the quantum Cramér-Rao bound for distributed sensing via error sensitivity in SU(1,1)-SU( m ) interferometry

Girish S. Agarwal

Phys. Rev. A 112 032439 (2025)

Saturation of the Cramér-Rao bound for atomic resonance frequency measurements with a phased array of hyperbolic secant pulses

Tharon Holdsworth, Jacob Adamczyk, and Girish S. Agarwal

Phys. Rev. A 112 042415 (2025)

Enhancing Squeezing to Strengthen Entanglement for High-Fidelity Quantum Teleportation

Lokesh Sharma, Priya Mudgal, Sourodipto Das, and Debabrata Sikdar

IEEE J. Select. Topics Quantum Electron. 31 1 (2025)

Optimal Transfer of Entanglement in Oscillator Chains in Non-Markovian Open Systems

Da-Wei Luo, Edward Yu, and Ting Yu

Entropy 27 1239 (2025)

Quantum scissor from exact generalized photon number statistics

Abdul Q Batin, Suranjana Ghosh, Prasanta K. Panigrahi, and Utpal Roy

Sci Rep 14 7107 (2024)

Evaluating the quantum optimal biased bound in a unitary evolution process

Shoukang Chang, Wei Ye, Xuan Rao, Huan Zhang, Liqing Huang, Mengmeng Luo, Yuetao Chen, Qiang Ma, Yunbin Yan, Lu Wang, and Shaoyan Gao

Results in Physics 61 107741 (2024)

Quantum advantage of time-reversed ancilla-based metrology of absorption parameters

Jiaxuan Wang, Ruynet L. de Matos Filho, Girish S. Agarwal, and Luiz Davidovich

Phys. Rev. Research 6 013034 (2024)

Exploiting Nonclassical Motion of a Trapped Ion Crystal for Quantum-Enhanced Metrology of Global and Differential Spin Rotations

R. J. Lewis-Swan, J. C. Zuñiga Castro, D. Barberena, and A. M. Rey

Phys. Rev. Lett. 132 163601 (2024)

Two-mode squeezing and SU(1,1) interferometry with trapped ions

J. Metzner, A. Quinn, S. Brudney, I. D. Moore, S. C. Burd, D. J. Wineland, and D. T. C. Allcock

Phys. Rev. A 110 022613 (2024)

Engineering entangled Schrödinger cat states of separated cavity modes in cavity QED

Abdul Q. Batin, Suranjana Ghosh, Utpal Roy, and David Vitali

Phys. Rev. A 110 043717 (2024)

Achieving Heisenberg scaling by probe-ancilla interaction in quantum metrology

Jingyi Fan and Shengshi Pang

Phys. Rev. A 110 062406 (2024)

Qubit-assisted quantum metrology under a time-reversal strategy

Peng Chen and Jun Jing

Phys. Rev. A 110 062425 (2024)

Quantum metrology of absorption and gain parameters using two-mode bright squeezed light

Mrunal Kamble, Jiaxuan Wang, and Girish S. Agarwal

Phys. Rev. A 109 053715 (2024)

Quantum multiphase estimation

Marco Barbieri, Ilaria Gianani, Aaron Z. Goldberg, and Luis L. Sánchez-Soto

Contemporary Physics 65 112 (2024)

Simultaneous multiple angular displacement estimation precision enhanced by the intramode correlation

Shoukang Chang, Wei Ye, Xuan Rao, Min Liu, Huan Zhang, Liqing Huang, Mengmeng Luo, Yuetao Chen, and Shaoyan Gao

Quantum Inf Process 22 345 (2023)

Resonant weak-value enhancement for solid-state quantum metrology

Mahadevan Subramanian, Amal Mathew, and Bhaskaran Muralidharan

Phys. Rev. Applied 20 044065 (2023)

Quantum-improved phase estimation with a displacement-assisted SU(1,1) interferometer

Wei Ye, Chunping Chen, Shoukang Chang, Shaoyan Gao, Huan Zhang, Ying Xia, Wenwen Hu, and Xuan Rao

Opt. Express 31 41850 (2023)

No title available

J. Wang, R. L. de Matos Filho, G. S. Agarwal, and L. Davidovich

Quantum amplification of spin currents in cavity magnonics by a parametric drive induced long-lived mode

Debsuvra Mukhopadhyay, Jayakrishnan M. P. Nair, and G. S. Agarwal

Phys. Rev. B 106 184426 (2022)

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