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Major Funding Provided By 
Prof. Andrew Doherty
Professor Doherty is recognised internationally for his innovative contributions to theoretical physics. He is one of the pioneers of the field of quantum control and has made seminal contributions to quantum information theory. In quantum control, he was the first to apply ideas from classical control which is ubiquitous from aircraft to precision measurement to the science of quantum systems. This work was a very early forerunner of the current experimental and theoretical programs in the control of quantum systems. Professor Doherty's work emphasised that adaptability and feedback would be essential to any quantum technology and was ahead of its time in emphasising the need to begin engineering quantum systems. Professor Doherty is well known for his extensive collaborations with experimentalists in wide range of systems from quantum optics, including cavity QED and optomechanical systems, to condensed matter, including circuit QED and semiconductor quantum dots.
Qualifications:
PhD, University of Auckland, New Zealand (2000)
BSc ( Hons), University of Canterbury, New Zealand (1996)
Research Facilities:
2019
2019
Malinowski FK, Martins F, Smith TB, Bartlett SD, Doherty AC, Nissen PD, Fallahi S, Gardner GC, Manfra MJ, Marcus CM et al..
2019. Fast spin exchange across a multielectron mediator. Nature Communications. 10(1)
Huang E, Doherty AC, Flammia S.
2019. Performance of quantum error correction with coherent errors. Physical Review A. 99(2)
Warszawski P, Szorkovszky A, Bowen WP, Doherty AC.
2019. Tomography of an optomechanical oscillator via parametrically amplified position measurement. New Journal of Physics. 21(2):023020.
2018
2018
Harvey S.P, Bøttcher C.GL, Orona L.A, Bartlett SD, Doherty AC, Yacoby A..
2018. Coupling two spin qubits with a high-impedance resonator. Physical Review B. 97(23)
Rozpędek F, Schiet T, Thinh LPhuc, Elkouss D, Doherty AC, Wehner S.
2018. Optimizing practical entanglement distillation. Physical Review A. 97(6)
Malinowski FK, Martins F, Smith TB, Bartlett SD, Doherty AC, Nissen PD, Fallahi S, Gardner GC, Manfra MJ, Marcus CM et al..
2018. Spin of a Multielectron Quantum Dot and Its Interaction with a Neighboring Electron. Physical Review X. 8(1)
2017
2017
Elman SJ, Bartlett SD, Doherty AC.
2017. Long-range entanglement for spin qubits via quantum Hall edge modes. Physical Review B. 96(11)
Mahoney A. C., Colless JI, Pauka S. J., Hornibrook J. M., Watson J. D., Gardner G. C., Manfra M. J., Doherty AC, Reilly DJ.
2017. On-Chip Microwave Quantum Hall Circulator. Physical Review X. 7(1)
Bridgeman JC, Bartlett SD, Doherty AC.
2017. Tensor networks with a twist: Anyon-permuting domain walls and defects in projected entangled pair states. Physical Review B. 96(24)
2016
2016
Lambert N.J, Haigh J.A, Langenfeld S., Doherty AC, Ferguson A.J.
2016. Cavity-mediated coherent coupling of magnetic moments. Physical Review A. 93(2)
Wardrop MP, Doherty AC.
2016. Characterization of an exchange-based two-qubit gate for resonant exchange qubits. Physical Review B. 93(7)
Kueng R, Long DM, Doherty AC, Flammia ST.
2016. Comparing Experiments to the Fault-Tolerance Threshold. Physical Review Letters. 117(17)
2015
2015
Haigh J.A, Lambert N.J, Doherty AC, Ferguson A.J.
2015. Dispersive readout of ferromagnetic resonance for strongly coupled magnons and microwave photons. Physical Review B. 91(10)
Bridgeman JC, O'Brien A, Bartlett SD, Doherty AC.
2015. Multiscale entanglement renormalization ansatz for spin chains with continuously varying criticality. Physical Review B. 91(16)
O'Brien A, Bartlett SD, Doherty AC, Flammia ST.
2015. Symmetry-respecting real-space renormalization for the quantum Ashkin-Teller model. Physical Review E. 92(4)
2014
2014
Szorkovszky A, Clerk AA, Doherty AC, Bowen WP.
2014. Detuned mechanical parametric amplification as a quantum non-demolition measurement. New Journal of Physics.
Doherty AC.
2014. Entanglement and the shareability of quantum states. Journal of Physics A: Mathematical and Theoretical. 47(42):424004.
Wardrop MP, Doherty AC.
2014. Exchange-based two-qubit gate for singlet-triplet qubits. Physical Review B. 90(4)
Szorkovszky A, Clerk AA, Doherty AC, Bowen WP.
2014. Mechanical entanglement via detuned parametric amplification. New Journal of Physics.
Brell CG, Bartlett SD, Doherty AC.
2014. Perturbative 2-body parent Hamiltonians for projected entangled pair states. New Journal of Physics. 16(12):123056.
Colless JI, Croot X, Stace TM, Doherty AC, Barrett S, Lu H., Gossard A.C, Reilly DJ.
2014. Raman phonon emission in a driven double quantum dot. Nature Communications. 5
Boissonneault M, Doherty AC, Ong F., Bertet P., Vion D., Esteve D., Blais A..
2014. Superconducting qubit as a probe of squeezing in a nonlinear resonator. Physical Review A. 89(2)
Shulman M.D, Harvey S.P, Nichol J.M, Bartlett SD, Doherty AC, Umansky V., Yacoby A..
2014. Suppressing qubit dephasing using real-time Hamiltonian estimation. Nature Communications. 5:5156.
2013
2013
Sentís G, Gendra B, Bartlett SD, Doherty AC.
2013. Decomposition of any quantum measurement into extremals. Journal of Physics A: Mathematical and Theoretical. 46(37):375302.
Colless JI, Mahoney AC, Hornibrook J.M, Doherty AC, Lu H., Gossard A.C, Reilly DJ.
2013. Dispersive Readout of a Few-Electron Double Quantum Dot with Fast rf Gate Sensors . Physical Review Letters. 110(4)
Stace TM, Doherty AC, Reilly DJ.
2013. Dynamical Steady-States in Driven Quantum Systems. Physical Review Letters. 111(18)
Else DV, Bartlett SD, Doherty AC.
2013. Hidden symmetry-breaking picture of symmetry-protected topological order. Physical Review B. 88(8)
Cano J, Doherty AC, Nayak C, Reilly DJ.
2013. Microwave Absorption by a Mesoscopic Quantum Hall Droplet. Physical Review B. 88(16)
Harris G, McAuslan DL, Stace TM, Doherty AC, Bowen WP.
2013. Minimum Requirements for Feedback Enhanced Force Sensing. Physical Review Letters. 111(10)
Ong F., Boissonneault M., Mallet F., Doherty AC, Blais A., Vion D., Esteve D., Bertet P..
2013. Quantum Heating of a Nonlinear Resonator Probed by a Superconducting Qubit . Physical Review Letters. 110(4)
Medford J., Beil J., Taylor J.M, Bartlett SD, Doherty AC, Rashba E.I, DiVincenzo D.P, Lu H., Gossard A.C, Marcus C.M.
2013. Self-consistent measurement and state tomography of an exchange-only spin qubit. Nature Nanotechnology. 8(9):654-659.
Szorkovszky A, Brawley GA, Doherty AC, Bowen WP.
2013. Strong Thermomechanical Squeezing via Weak Measurement . Physical Review Letters. 110(18)
Takahashi M, Bartlett SD, Doherty AC.
2013. Tomography of a spin qubit in a double quantum dot. Physical Review A. 88(2)
Brown BJ, Bartlett SD, Doherty AC, Barrett S.
2013. Topological Entanglement Entropy with a Twist. Physical Review Letters. 111(22)
Doherty AC, Wardrop MP.
2013. Two-Qubit Gates for Resonant Exchange Qubits. Physical Review Letters. 111(5)
2012
2012
Boissonneault M, Doherty AC, Ong F., Bertet P., Vion D., Esteve D., Blais A..
2012. Back-action of a driven nonlinear resonator on a superconducting qubit. Physical Review A. 85(2)
Szorkovszky A, Doherty AC, Harris G, Bowen WP.
2012. Position estimation of a parametrically driven optomechanical system . New Journal of Physics. 14(9):095026.
Doherty AC, Szorkovszky A, Harris G, Bowen WP.
2012. The quantum trajectory approach to quantum feedback control of an oscillator revisited . Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 370(1979):5338-5353.
Else DV, Bartlett SD, Doherty AC.
2012. Symmetry protection of measurement-based quantum computation in ground states. New Journal of Physics. 14(11):113016.
Else DV, Schwarz I, Bartlett SD, Doherty AC.
2012. Symmetry-Protected Phases for Measurement-Based Quantum Computation. Physical Review Letters. 108(24)
2011
2011
Ong F., Boissonneault M, Mallet F., Palacios-Laloy A., Dewes A., Doherty AC, Blais A., Bertet P., Vion D., Esteve D..
2011. Circuit QED with a Nonlinear Resonator: ac-Stark Shift and Dephasing. Physical Review Letters. 106(16)
Biercuk MJ, Doherty AC, Uys H.
2011. Dynamical decoupling sequence construction as a filter-design problem . Journal of Physics B: Atomic, Molecular and Optical Physics. 44(15):154002.
Szorkovszky A, Doherty AC, Harris G, Bowen WP.
2011. Mechanical Squeezing via Parametric Amplification and Weak Measurement. Physical Review Letters. 107(21)
Doherty AC, Wehner S.
2011. A time-dependent Tsirelson's bound from limits on the rate of information gain in quantum systems. New Journal of Physics. 13(7):073033.
Brell CG, Flammia ST, Bartlett SD, Doherty AC.
2011. Toric codes and quantum doubles from two-body Hamiltonians. New Journal of Physics. 13(5):053039.
Quantum gates for quantum dots
Matthew Wardrop
Doctor Philosophy - Principal Advisor
Foundations of quantum mechanics: quantum steering, nonlocality, witnesses
Dr Parth Girdhar
Doctor Philosophy - Principal Advisor
Adiabatic and dissipative braiding protocols for Majorana qubit architectures
Elija Perrier
Doctor Philosophy - Principal Advisor
Tensor network states in negatively curved space
(2015) Cameron Duncan
Honours project - Principal Advisor
Major funding support
The Australian Research Council Centre of Excellence for Engineered Quantum Systems (EQUS) acknowledges the Traditional Owners of Country throughout Australia and their continuing connection to lands, waters and communities. We pay our respects to Aboriginal and Torres Strait Islander cultures and to Elders past and present.
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