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Research Outputs 1999 2019

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Article
2019

Bayesian estimation for quantum sensing in the absence of single-shot detection

Dinani, H. T., Berry, D. W., Gonzalez, R., Maze, J. R. & Bonato, C., 11 Mar 2019, In : Physical Review B. 99, 12, 7 p., 125413.

Research output: Contribution to journalArticleResearchpeer-review

shot
electron spin
Vacancies
readout
Nitrogen

Black-box quantum state preparation without arithmetic

Sanders, Y., Low, G. H., Scherer, A. & Berry, D., 16 Jan 2019, In : Physical Review Letters. 122, 2, p. 020502-1-020502-5 5 p., 020502.

Research output: Contribution to journalArticleResearchpeer-review

subroutines
quantum computers
boxes
preparation
physics

Quantum simulation of the Sachdev-Ye-Kitaev model by asymmetric qubitization

Babbush, R., Berry, D. W. & Neven, H., 4 Apr 2019, In : Physical Review A. 99, 4, p. 1-7 7 p., 040301.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
simulation
polynomials
projection
scaling

Simulating the dynamics of time-dependent Hamiltonians with a truncated Dyson series

Kieferová, M., Scherer, A. & Berry, D. W., 5 Apr 2019, In : Physical Review A. 99, 4, 13 p., 042314.

Research output: Contribution to journalArticleResearchpeer-review

quantum computers
proposals
resources
sampling
costs
2018

Adaptive estimation of a time-varying phase with coherent states: Smoothing can give an unbounded improvement over filtering

Laverick, K. T., Wiseman, H. M., Dinani, H. T. & Berry, D. W., 23 Apr 2018, In : Physical Review A. 97, 4, p. 1-11 11 p., 042334.

Research output: Contribution to journalArticleResearchpeer-review

smoothing
Cramer-Rao bounds
statistics
phase error
estimators

Encoding electronic spectra in quantum circuits with linear T complexity

Babbush, R., Gidney, C., Berry, D. W., Wiebe, N., McClean, J., Paler, A., Fowler, A. & Neven, H., 23 Oct 2018, In : Physical Review X. 8, 4, p. 041015-1-041015-36 36 p., 041015.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
electronic spectra
coding
electronic structure
phase error
sampling

Experimental optical phase measurement approaching the exact Heisenberg limit

Daryanoosh, S., Slussarenko, S., Berry, D. W., Wiseman, H. M. & Pryde, G. J., 2 Nov 2018, In : Nature Communications. 9, 1, 6 p., 4606.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Shot noise
Phase measurement
Noise
Optics and Photonics
Photons

Exponentially more precise quantum simulation of fermions in the configuration interaction representation

Babbush, R., Berry, D. W., Sanders, Y. R., Kivlichan, I. D., Scherer, A., Wei, A. Y., Love, P. J. & Aspuru-Guzik, A., 1 Jan 2018, In : Quantum Science and Technology. 3, 1, p. 1-37 37 p., 015006.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Fermions
configuration interaction
fermions
Hamiltonians
matrices

Improved techniques for preparing eigenstates of fermionic Hamiltonians

Berry, D. W., Kieferová, M., Scherer, A., Sanders, Y. R., Low, G. H., Wiebe, N., Gidney, C. & Babbush, R., 2 May 2018, In : Npj quantum information. 4, p. 1-7 7 p., 22.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
eigenvectors
preparation
ground state
quantum chemistry
quantum computation
2017

Adaptive estimation of a time-varying phase with a power-law spectrum via continuous squeezed states

Dinani, H. T. & Berry, D. W., 15 Jun 2017, In : Physical Review A. 95, 6, p. 1-10 10 p., 063821.

Research output: Contribution to journalArticleResearchpeer-review

continuous spectra
scaling
statistics
photons
simulation

Adaptive phase estimation with two-mode squeezed vacuum and parity measurement

Huang, Z., Motes, K. R., Anisimov, P. M., Dowling, J. P. & Berry, D. W., 12 May 2017, In : Physical Review A. 95, 5, p. 1-8 8 p., 053837.

Research output: Contribution to journalArticleResearchpeer-review

parity
vacuum
sensitivity
Mach-Zehnder interferometers
ambiguity

Adaptive tracking of a time-varying field with a quantum sensor

Bonato, C. & Berry, D. W., 30 May 2017, In : Physical Review A. 95, 5, p. 1-10 10 p., 052348.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
sensors
magnetic fields
estimating
spatial resolution
time measurement

Exponential improvement in precision for simulating sparse Hamiltonians

Berry, D., Childs, A. M., Cleve, R., Kothari, R. & Somma, R. D., 2 Mar 2017, In : Forum of Mathematics, Sigma. 5, p. 1-40 40 p., e8.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Hamiltonians
Amplification
Derivatives

Improved Hamiltonian simulation via a truncated Taylor series and corrections

Novo, L. & Berry, D. W., 1 Jun 2017, In : Quantum Information and Computation. 17, 7-8, p. 623-635 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Hamiltonians
Taylor series
Quantum Chemistry
Quantum Algorithms
Mathematical operators

Quantum algorithm for linear differential equations with exponentially improved dependence on precision

Berry, D. W., Childs, A. M., Ostrander, A. & Wang, G., 1 Dec 2017, In : Communications in Mathematical Physics. 356, 3, p. 1057-1081 25 p.

Research output: Contribution to journalArticleResearchpeer-review

Quantum Algorithms
Linear differential equation
differential equations
Linear Systems
linear systems

Robust guaranteed-cost adaptive quantum phase estimation

Roy, S., Berry, D. W., Petersen, I. R. & Huntington, E. H., 11 May 2017, In : Physical Review A. 95, 5, p. 1-16 16 p., 052322.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
costs
filters
Kalman filters
estimates
quantum computation
2016

Corrected quantum walk for optimal Hamiltonian simulation

Berry, D. & Novo, L., Nov 2016, In : Quantum Information and Computation. 16, 15&16, p. 1295–1317 23 p.

Research output: Contribution to journalArticleResearchpeer-review

Quantum Walk
Hamiltonians
Scaling
scaling
Quantum Chemistry

Efficient recycling strategies for preparing large Fock states from single-photon sources: Applications to quantum metrology

Motes, K. R., Mann, R. L., Olson, J. P., Studer, N. M., Bergeron, E. A., Gilchrist, A., Dowling, J. P., Berry, D. W. & Rohde, P. P., 27 Jul 2016, In : Physical Review A - Atomic, Molecular, and Optical Physics. 94, 1, p. 1-9 9 p., 012344.

Research output: Contribution to journalArticleResearchpeer-review

recycling
metrology
photons
preparation
photometers

Exponentially more precise quantum simulation of fermions in second quantization

Babbush, R., Berry, D. W., Kivlichan, I. D., Wei, A. Y., Love, P. J. & Aspuru-Guzik, A., 24 Mar 2016, In : New Journal of Physics. 18, p. 1-17 17 p., 033032.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
fermions
simulation
Taylor series
quantum chemistry
entry

Optimized quantum sensing with a single electron spin using real-time adaptive measurements

Bonato, C., Blok, M. S., Dinani, H. T., Berry, D. W., Markham, M. L., Twitchen, D. J. & Hanson, R., 3 Mar 2016, In : Nature Nanotechnology. 11, 3, p. 247-252 6 p.

Research output: Contribution to journalArticleResearchpeer-review

electron spin
Solid-state sensors
Diamond
Electrons
solid state

Quantum-enhanced spectroscopy with entangled multiphoton states

Dinani, H. T., Gupta, M. K., Dowling, J. P. & Berry, D. W., 7 Jun 2016, In : Physical Review A - Atomic, Molecular, and Optical Physics. 93, 6, p. 1-6 6 p., 063804.

Research output: Contribution to journalArticleResearchpeer-review

photons
phase shift
spectroscopy
Fisher information
atoms
2015

Quantum Bell-Ziv-Zakai bounds and Heisenberg limits for waveform estimation

Berry, D. W., Tsang, M., Hall, M. J. W. & Wiseman, H. M., 2015, In : Physical Review X. 5, 3, p. 1-28 28 p., 031018.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
bells
waveforms
scaling
interpolation
sampling

Simulating hamiltonian dynamics with a truncated taylor series

Berry, D. W., Childs, A. M., Cleve, R., Kothari, R. & Somma, R. D., 3 Mar 2015, In : Physical Review Letters. 114, 9, p. 1-5 5 p., 090502.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Taylor series
quantum computers
costs
operators
2014

Efficiencies of quantum optical detectors

Hogg, D., Berry, D. W. & Lvovsky, A. I., 25 Nov 2014, In : Physical Review A - Atomic, Molecular, and Optical Physics. 90, 5, p. 1-4 4 p., 053846.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
detectors
light sources

Gate-efficient discrete simulations of continuous-time quantum query algorithms

Berry, D. W., Cleve, R. & Gharibian, S., 1 Jan 2014, In : Quantum Information and Computation. 14, 1-2, p. 1-30 30 p.

Research output: Contribution to journalArticleResearchpeer-review

Continuous Time
Hamiltonians
Query
Costs
costs

High-order quantum algorithm for solving linear differential equations

Berry, D. W., 19 Feb 2014, In : Journal of Physics A: Mathematical and Theoretical. 47, 10, p. 1-17 17 p., 105301.

Research output: Contribution to journalArticleResearchpeer-review

Quantum Algorithms
Linear differential equation
Differential equations
differential equations
Higher Order

Information causality in the quantum and post-quantum regime

Ringbauer, M., Fedrizzi, A., Berry, D. W. & White, A. G., 2014, In : Scientific Reports. 4, p. 1-6 6 p., 6955.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Optics and Photonics
Mechanics
Causality

Loss-resistant unambiguous phase measurement

Dinani, H. T. & Berry, D. W., 28 Aug 2014, In : Physical Review A - Atomic, Molecular, and Optical Physics. 90, 2, p. 1-8 8 p., 023856.

Research output: Contribution to journalArticleResearchpeer-review

Fisher information
synchronism
optimization
output
photons

Swarm optimization for adaptive phase measurements with low visibility

Hayes, A. J. F. & Berry, D. W., 27 Jan 2014, In : Physical Review A - Atomic, Molecular, and Optical Physics. 89, 1, p. 1-8 8 p., 013838.

Research output: Contribution to journalArticleResearchpeer-review

low visibility
optimization
nitrogen
magnetic measurement
interferometry
2013

Solovay-kitaev decomposition strategy for single-qubit channels

Wang, D. S., Berry, D. W., De Oliveira, M. C. & Sanders, B. C., 25 Sep 2013, In : Physical Review Letters. 111, 13, p. 1-5 5 p., 130504.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
decomposition
quantum computation

Stochastic heisenberg limit: optimal estimation of a fluctuating phase

Berry, D. W., Hall, M. J. W. & Wiseman, H. M., 13 Sep 2013, In : Physical Review Letters. 111, 11, p. 1-5 5 p., 113601.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Cramer-Rao bounds
estimating
statistics
scaling
photons
2012

Black-box hamiltonian simulation and unitary implementation

Berry, D. W. & Childs, A. M., 1 Jan 2012, In : Quantum Information and Computation. 12, 1-2, p. 29-62 34 p.

Research output: Contribution to journalArticleResearchpeer-review

Hamiltonians
Black Box
boxes
Simulation
simulation

Optimal Heisenberg-style bounds for the average performance of arbitrary phase estimates

Berry, D. W., Hall, M. J. W., Zwierz, M. & Wiseman, H. M., 13 Nov 2012, In : Physical Review A - Atomic, Molecular, and Optical Physics. 86, 5, p. 1-20 20 p., 053813.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
estimates
Cramer-Rao bounds
constrictions
phase shift
generators

Quantum-Enhanced Optical-Phase Tracking

Yonezawa, H., Nakane, D., Wheatley, T. A., Iwasawa, K., Takeda, S., Arao, H., Ohki, K., Tsumura, K., Berry, D. W., Ralph, T. C., Wiseman, H. M., Huntington, E. H. & Furusawa, A., 21 Sep 2012, In : Science. 337, 6101, p. 1514-1517 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Light
Vacuum
Uncertainty

Universality of the Heisenberg limit for estimates of random phase shifts

Hall, M. J. W., Berry, D. W., Zwierz, M. & Wiseman, H. M., 13 Apr 2012, In : Physical Review A - Atomic, Molecular, and Optical Physics. 85, 4, p. 1-4 4 p., 041802.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
phase shift
estimates
probes
scaling
photons
2011

Entanglement-enhanced measurement of a completely unknown optical phase

Xiang, G. Y., Higgins, B. L., Berry, D. W., Wiseman, H. M. & Pryde, G. J., Jan 2011, In : Nature Photonics. 5, 1, p. 43-47 5 p.

Research output: Contribution to journalArticleResearchpeer-review

shot noise
Shot noise
interferometry
Interferometry
Quantum entanglement

Nanoscale magnetometry using a single-spin system in diamond

Said, R. S., Berry, D. W. & Twamley, J., 17 Mar 2011, In : Physical Review B: Condensed Matter and Materials Physics. 83, 12, p. 1-7 7 p., 125410.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Diamond
magnetic measurement
Diamonds
diamonds
Magnetic fields

Preservation of loss in linear-optical processing

Berry, D. W. & Lvovsky, A. I., 4 Oct 2011, In : Physical Review A - Atomic, Molecular, and Optical Physics. 84, 4, p. 1-7 7 p., 042304.

Research output: Contribution to journalArticleResearchpeer-review

quantum efficiency
photons

Simulating quantum dynamics on a quantum computer

Wiebe, N., Berry, D. W., Høyer, P. & Sanders, B. C., 4 Nov 2011, In : Journal of Physics A: Mathematical and Theoretical. 44, 44, p. 1-27 27 p., 445308.

Research output: Contribution to journalArticleResearchpeer-review

Hamiltonians
Quantum computers
Quantum Computer
quantum computers
Quantum Dynamics
2010

Adaptive optical phase estimation using time-symmetric quantum smoothing

Wheatley, T. A., Berry, D. W., Yonezawa, H., Nakane, D., Arao, H., Pope, D. T., Ralph, T. C., Wiseman, H. M., Furusawa, A. & Huntington, E. H., 3 Mar 2010, In : Physical Review Letters. 104, 9, p. 1-4 4 p., 093601.

Research output: Contribution to journalArticleResearchpeer-review

smoothing
gravitational waves
estimating
phase shift
estimates

Fair-sampling assumption is not necessary for testing local realism

Berry, D. W., Jeong, H., Stobińska, M. & Ralph, T. C., 13 Jan 2010, In : Physical Review A - Atomic, Molecular, and Optical Physics. 81, 1, p. 1-11 11 p., 012109.

Research output: Contribution to journalArticleResearchpeer-review

bells
sampling

Higher order decompositions of ordered operator exponentials

Wiebe, N., Berry, D., Høyer, P. & Sanders, B. C., 2010, In : Journal of Physics A: Mathematical and Theoretical. 43, 6, p. 1-20 20 p., 065203.

Research output: Contribution to journalArticleResearchpeer-review

Product formula
Higher Order
Derivatives
Decomposition
decomposition

Linear-optical processing cannot increase photon efficiency

Berry, D. W. & Lvovsky, A. I., 12 Nov 2010, In : Physical Review Letters. 105, 20, p. 1-4 4 p., 203601.

Research output: Contribution to journalArticleResearchpeer-review

photons
conditioning
interferometers

Non-Abelian anyonic interferometry with a multi-photon spin lattice simulator

Berry, D. W., Aguado, M., Gilchrist, A. & Brennen, G. K., 7 May 2010, In : New Journal of Physics. 12, p. 1-22 22 p., 053011.

Research output: Contribution to journalArticleResearchpeer-review

simulators
interferometry
photons
beam splitters
gauge theory
2009

Adaptive measurements in the optical quantum information laboratory

Wiseman, H. M., Berry, D. W., Bartlett, S. D., Higgins, B. L. & Pryde, G. J., Nov 2009, In : IEEE Journal on Selected Topics in Quantum Electronics. 15, 6, p. 1661-1672 12 p., 5337900.

Research output: Contribution to journalArticleResearchpeer-review

Quantum communication
Network protocols
quantum communication
quantum computation
Interferometry

Demonstrating Heisenberg-limited unambiguous phase estimation without adaptive measurements

Higgins, B. L., Berry, D. W., Bartlett, S. D., Mitchell, M. W., Wiseman, H. M. & Pryde, G. J., 9 Jul 2009, In : New Journal of Physics. 11, p. 1-14 14 p., 073023.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
phase shift
ambiguity
standard deviation
scaling
photons

How to perform the most accurate possible phase measurements

Berry, D. W., Higgins, B. L., Bartlett, S. D., Mitchell, M. W., Pryde, G. J. & Wiseman, H. M., 2009, In : Physical Review A - Atomic, Molecular, and Optical Physics. 80, 5, p. 1-22 22 p., 052114.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
interferometry
scaling
Fisher information
quantum computation
ambiguity

Quantum photonics: Quantum optics on a chip

Berry, D. W. & Wiseman, H. M., Jun 2009, In : Nature Photonics. 3, 6, p. 317-319 3 p.

Research output: Contribution to journalArticleResearchpeer-review

2007

Efficiency limits for linear optical processing of single photons and single-rail qubits

Berry, D. W., Lvovsky, A. I. & Sanders, B. C., 2007, In : Journal of the Optical Society of America B: Optical Physics. 24, 2, p. 189-197 9 p.

Research output: Contribution to journalArticleResearchpeer-review

rails
photons
counting
photonics
output

Efficient quantum algorithms for simulating sparse hamiltonians

Berry, D. W., Ahokas, G., Cleve, R. & Sanders, B. C., Mar 2007, In : Communications in Mathematical Physics. 270, 2, p. 359-371 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Quantum Algorithms
entry
Efficient Algorithms
Scaling
Quantum State