Search Results - "Hush, Michael R"
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Enhancing the sensitivity of atom-interferometric inertial sensors using robust control
Published in Nature communications (22-11-2023)“…Atom-interferometric quantum sensors could revolutionize navigation, civil engineering, and Earth observation. However, operation in real-world environments is…”
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2
Machine learning for quantum physics
Published in Science (American Association for the Advancement of Science) (10-02-2017)“…An artificial neural network can discover the ground state of a quantum many-body system Machine learning has been used to beat a human competitor in a game of…”
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3
Quantum Oscillator Noise Spectroscopy via Displaced Cat States
Published in Physical review letters (25-06-2021)“…Quantum harmonic oscillators are central to many modern quantum technologies. We introduce a method to determine the frequency noise spectrum of oscillator…”
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4
Approaching the adiabatic timescale with machine learning
Published in Proceedings of the National Academy of Sciences - PNAS (26-12-2018)“…The control and manipulation of quantum systems without excitation are challenging, due to the complexities in fully modeling such systems accurately and the…”
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5
Ignorance is bliss: general and robust cancellation of decoherence via no-knowledge quantum feedback
Published in Physical review letters (11-07-2014)“…A "no-knowledge" measurement of an open quantum system yields no information about any system observable; it only returns noise input from the environment…”
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Spin correlations as a probe of quantum synchronization in trapped-ion phonon lasers
Published in Physical review. A, Atomic, molecular, and optical physics (04-06-2015)Get full text
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7
Feedback Tracking Control of Non-Markovian Quantum Systems
Published in IEEE transactions on control systems technology (01-09-2017)“…In this paper, we present a feedback tracking control strategy to reject colored noise in linear non-Markovian quantum systems. This non-Markovian system is…”
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8
Covariance matrix tracking coherent observers for linear quantum stochastic systems
Published in 2015 American Control Conference (ACC) (01-07-2015)“…It is becoming apparent that coherent feedback control of quantum systems has significant advantages over measurement-based control, but not much progress has…”
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Conference Proceeding -
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Numeric Optimization for Configurable, Parallel, Error‐Robust Entangling Gates in Large Ion Registers
Published in Advanced quantum technologies (Online) (01-11-2020)“…A class of entangling gates for trapped atomic ions is studied and the use of numeric optimization techniques to create a wide range of fast, error‐robust gate…”
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Back Cover: Numeric Optimization for Configurable, Parallel, Error‐Robust Entangling Gates in Large Ion Registers (Adv. Quantum Technol. 11/2020)
Published in Advanced quantum technologies (Online) (01-11-2020)“…Novel optimization tools now enable high‐efficiency parallel entangling gates within a register of trapped‐ions. Using quantum control it becomes possible to…”
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11
Generic map from non-Lindblad to Lindblad master equations
Published in Physical review. A, Atomic, molecular, and optical physics (17-03-2015)Get full text
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12
Coherently tracking the covariance matrix of an open quantum system
Published in Physical review. A, Atomic, molecular, and optical physics (20-07-2015)Get full text
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13
Optimised Bayesian system identification in quantum devices
Published 16-11-2022“…Identifying and calibrating quantitative dynamical models for physical quantum systems is important for a variety of applications. Here we present a…”
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14
Feedback cooling Bose gases to quantum degeneracy
Published 10-06-2022“…Degenerate quantum gases are instrumental in advancing many-body quantum physics and underpin emerging precision sensing technologies. All state-of-the-art…”
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15
Error-robust quantum logic optimization using a cloud quantum computer interface
Published 15-10-2020“…Phys. Rev. Applied 15, 064054 (2021) We describe an experimental effort designing and deploying error-robust single-qubit operations using a cloud-based…”
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16
Quantum oscillator noise spectroscopy via displaced cat states
Published 29-07-2021“…Phys. Rev. Lett. 126, 250506 (2021) Quantum harmonic oscillators are central to many modern quantum technologies. We introduce a method to determine the…”
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17
Coherently tracking the covariance matrix of an open quantum system
Published 13-02-2015“…Phys. Rev. A 92, 012115 (2015) Coherent feedback control of quantum systems has demonstrable advantages over measurement-based control, but so far there has…”
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18
Numeric optimization for configurable, parallel, error-robust entangling gates in large ion registers
Published 01-05-2020“…We study a class of entangling gates for trapped atomic ions and demonstrate the use of numeric optimization techniques to create a wide range of fast,…”
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Journal Article -
19
A generic map from non-Lindblad to Lindblad master equations
Published 23-02-2015“…Phys. Rev. A 91, 032113 (2015) Many current problems of interest in quantum non-equilibrium are described by time-local master equations (TLMEs) for the…”
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20
Approaching the adiabatic timescale with machine-learning
Published 19-09-2018“…The control and manipulation of quantum systems without excitation is challenging, due to the complexities in fully modeling such systems accurately and the…”
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Journal Article