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Research Outputs 1999 2019

Abstract

Quantum Teleportation and Entanglement Swapping for Systems of Arbitrary Spin

Berry, D. & Sanders, B., 2001, p. 71-71. 1 p.

Research output: Contribution to conferenceAbstractResearch

Article

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 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

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

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

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 phase measurements for narrowband squeezed beams

Berry, D. W. & Wiseman, H. M., 2006, In : Physical Review A - Atomic, Molecular, and Optical Physics. 73, 6, p. 1-13 13 p., 063824.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
narrowband
scaling
compressing
estimating
frequency ranges

Adaptive quantum measurements of a continuously varying phase

Berry, D. W. & Wiseman, H. M., 2002, In : Physical Review A. Atomic, Molecular, and Optical Physics. 65, 4, p. 1-11 11 p., 043803.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
invariance
electromagnetic fields
oscillators
scaling

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

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, p. 1-7 7 p., 125413.

Research output: Contribution to journalArticleResearchpeer-review

shot
electron spin
Vacancies
readout
Nitrogen

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

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

Bounds on general entropy measures

Berry, D. W. & Sanders, B. C., 12 Dec 2003, In : Journal of Physics A: Mathematical and General. 36, 49, p. 12255-12265 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Entropy
entropy
Quantum State
Probability Distribution
concavity

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

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

Effects associated with bubble formation in optical trapping

Berry, D. W., Heckenberg, N. R. & Rubinsztein-Dunlop, H., 20 Jul 2000, In : Journal of Modern Optics. 47, 9, p. 1575-1585 11 p.

Research output: Contribution to journalArticleResearchpeer-review

bubbles
trapping
Marangoni convection
liquids
free convection

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

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

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

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

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

Entanglement-free Heisenberg-limited phase estimation

Higgins, B. L., Berry, D. W., Bartlett, S. D., Wiseman, H. M. & Pryde, G. J., 15 Nov 2007, In : Nature. 450, 7168, p. 393-396 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Photons
Uncertainty
Interferometry
Ions

Equivalence between two-mode spin squeezed states and pure entangled states with equal spin

Berry, D. W. & Sanders, B. C., 8 Apr 2005, In : Journal of Physics A: Mathematical and General. 38, 14, p. L205-L211 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Squeezed States
Entangled State
equivalence
Equivalence
Subsystem

Experimental demonstration of secure quantum key distribution using macroscopic non-classical optical pulses

Funk, A. C., Raymer, M. G. & Berry, D. W., 2004, In : OSA Trends in Optics and Photonics Series. 97, p. 491-493 3 p.

Research output: Contribution to journalArticleResearchpeer-review

Quantum cryptography
Bit error rate
Laser pulses
Demonstrations

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

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

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

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

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

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

Heterodyne and adaptive phase measurements on states of fixed mean photon number

Berry, D., Wiseman, H. M. & Zhang, Z. X., 1999, In : Physical Review A - Atomic, Molecular, and Optical Physics. 60, 3, p. 2458-2466 9 p.

Research output: Contribution to journalArticleResearchpeer-review

photons

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

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

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

Implementation of multipartite unitary operations with limited resources

Berry, D. W., 30 Mar 2007, In : Physical Review A - Atomic, Molecular, and Optical Physics. 75, 3, p. 1-8 8 p., 032349.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
resources
communication
interactions

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

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

Improving single photon sources via linear optics and photodetection

Berry, D. W., Scheel, S., Knight, P. L. & Sanders, B. C., Mar 2004, In : Physical Review A - Atomic, Molecular, and Optical Physics. 69, 3, p. 1-4 4 p., 031806.

Research output: Contribution to journalArticleResearchpeer-review

Light sources
Optics
Photons
optics
photons

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

Interconvertibility of single-rail optical qubits

Berry, D. W., Lvovsky, A. I. & Sanders, B. C., 1 Jan 2006, In : Optics Letters. 31, 1, p. 107-109 3 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
rails
quantum efficiency
optics
vacuum
photons

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

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

Lower bounds for communication capacities of two-qudit unitary operations

Berry, D. W., 6 Dec 2007, In : Physical Review A - Atomic, Molecular, and Optical Physics. 76, 6, p. 1-9 9 p., 062302.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
communication

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

Near-optimal two-mode spin squeezing via feedback

Berry, D. W. & Sanders, B. C., 2002, In : Physical Review A - Atomic, Molecular, and Optical Physics. 66, 1, p. 012313-1-012313-10 10 p., 012313.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
compressing

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

Numerical analysis of capacities for two-qubit unitary operations

Berry, D. W. & Sanders, B. C., 1 Feb 2005, In : Physical Review A - Atomic, Molecular, and Optical Physics. 71, 2, p. 1-11 11 p., 022304.

Research output: Contribution to journalArticleResearchpeer-review

numerical analysis
communication

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

Optimal input states and feedback for interferometric phase estimation

Berry, D. W., Wiseman, H. M. & Breslin, J. K., 2001, In : Physical Review A. Atomic, Molecular, and Optical Physics. 63, 5, p. 1-11 11 p., 053804.

Research output: Contribution to journalArticleResearchpeer-review

photons
inference
counting
phase shift
derivation