Our Publications

Here are our publications since the founding of the qt lab in October 1999. (Older publications can be found on our personal pages.)

Refereed publications
2008
T. J. Weinhold, A. Gilchrist, K. J. Resch, A. C. Doherty, J. L. O'Brien, G. J. Pryde, and A. G. White, Understanding photonic quantum-logic gates: The road to fault tolerance, arxiv 0808.0794 (2008). B. P. Lanyon, M. Barbieri, M. P. Almeida, and A. G. White, Experimental quantum computing without entanglement, arxiv 0807.0668 (2008). B. P. Lanyon, M. Barbieri, M. P. Almeida, T. Jennewein, T. C. Ralph, K. J. Resch, G. J. Pryde, J. L. O'Brien, A. Gilchrist and A. G. White, Quantum computing using shortcuts through higher dimensions, arxiv 0804.0272 (2008).	B. P. Lanyon and N. K. Langford, Experimentally generating and tuning robust entanglement between photonic qubits, arxiv 0802.3161 (2008). S. Kleinlogel and A. G. White, The secret world of shrimps: polarisation vision at its best, PLoS ONE 3, e2190 (2008). doi:10.1371/journal.pone.0002190. B. P. Lanyon, T. J. Weinhold, N. K. Langford, J. L. O'Brien, K. J. Resch, A. Gilchrist, and A. G. White, Manipulating biphotonic qutrits, Physical Review Letters 100, 060504 (2008). doi:10.1103/PhysRevLett.100.060504.
2007
B. P. Lanyon, T. J. Weinhold, N. K. Langford, M. Barbieri, D. F. V. James, A. Gilchrist, and A. G. White, Experimental demonstration of Shor's algorithm with quantum entanglement, Physical Review Letters 99, 250505 (2007). doi:10.1103/PhysRevLett.99.250505. M. Barbieri, Effects of frequency correlation in linear optical entangling gate operated with independent photons, Physical Review A 76, 043825 (2007). doi:10.1103/PhysRevA.76.043825. K. J. Resch, K. L. Pregnell, R. Prevedel, A. Gilchrist, G. J. Pryde, J. L. O'Brien, and A. G. White, Time-reversal and super-resolving phase measurements, Physical Review Letters 98, 223601 (2007). doi:10.1103/PhysRevLett.98.223601.	K. J. Resch, J. L. O'Brien, T. J. Weinhold, K. Sanaka, B. P. Lanyon, and N. K. Langford, and A. G. White, Entanglement generation by Fock- state filtration, Physical Review Letters 98, 203602 (2007). doi:10.1103/PhysRevLett.98.203602. A. G. White, A. Gilchrist, G. J. Pryde, J. L. O'Brien, M. J. Bremner, and N. K. Langford, Measuring two-qubit gates, Journal of the Optical Society of America B 24, 172-183 (2007). A. Gilchrist, K. J. Resch, and A. G. White, Source of triggered entangled photon pairs?, Nature 445, E4 (2007). doi:10.1038/nature05546.
2006
J. E. de Albuquerque, C. Giacomantonio, A. G. White, and P. Meredith, Study of optical properties of electropolymerized melanin films by photopyroelectric spectroscopy, European Biophysics Journal with Biophysics Letters 35, 190-195 (2006).	T. C. Ralph, S. D. Bartlett, J. L. O'Brien, G. J. Pryde, H. M. Wiseman, Quantum Non- demolition Measurements on Qubits, Physical Review A 73, 012113 (2006).
2005
N. K. Langford, T. J. Weinhold, R. Prevedel, A. Gilchrist, J. L. O'Brien. G. J. Pryde, and A. G. White, Demonstration of a simple entangling optical gate and its use in Bell-state analysis, Physical Review Letters 95, 210504 (2005). doi:10.1103/PhysRevLett.95.210504. P. P. Rohde, G. J. Pryde, J. L. O'Brien, T. C. Ralph, Quantum-gate characterization in an extended Hilbert space, Physical Review A 72, 032306 (2005). J. E. de Albuquerque, C. Giacomantonio, A. G. White, and P. Meredith, Determination of thermal and optical parameters of melanins by photopyroelectric spectroscopy, Applied Physics Letters 87, 061920 (2005). doi:10.1063/1.2009833. G. J. Pryde, J. L. O'Brien, A. G. White, S. D. Bartlett, and T. C. Ralph, Reply to comment, Physical Review Letters 95, 048902 (2005). doi:10.1103/PhysRevLett.95.048902.	G. J. Pryde, J. L. O'Brien, A. G. White, and S. D. Bartlett, Demonstrating Superior Discrimination of Locally Prepared States Using Nonlocal Measurements, Physical Review Letters 94, 220406 (2005). doi:10.1103/PhysRevLett.94.220406. G. J. Pryde, J. L. O'Brien, A. G. White, T. C. Ralph, and H. M. Wiseman, Measurement of Quantum Weak Values of Photon Polarization, Physical Review Letters 94, 220405 (2005). doi:10.1103/PhysRevLett.94.220405. J. L. O'Brien, G. J. Pryde, A. G. White, and T. C. Ralph, High-fidelity Z-measurement error encoding of optical qubits, Physical Review A 71, 060303(R) (2005). doi:10.1103/PhysRevA.71.060303.
2004
A. Ratnapala, C. J. Vale, A. G. White, M. D. Harvey, N. R. Heckenberg, and H. Rubinsztein-Dunlop, Laser frequency locking by direct measurement of detuning, Optics Letters 29, 2704 (2004). doi:10.1364/OL.29.002704. J. L. O'Brien, G. J. Pryde, A. Gilchrist, D. F. V. James, N. K. Langford, T. C. Ralph, and A. G. White, Quantum process tomography of a controlled-NOT gate, Physical Review Letters 93, 080502 (2004). doi:10.1103/PhysRevLett.93.080502.	N. K. Langford, R. B. Dalton, M. D. Harvey, J. L. O'Brien, G. J. Pryde, A. Gilchrist, S. D. Bartlett, and A. G. White, Measuring Entangled Qutrits and Their Use for Quantum Bit Commitment, Physical Review Letters 93, 053601 (2004). doi:10.1103/PhysRevLett.93.053601 . G. J. Pryde, J. L. O'Brien, A. G. White, S. D. Bartlett, and T. C. Ralph, Measuring a photonic qubit without destroying it, Physical Review Letters 92, 190402 (2004). doi:10.1103/PhysRevLett.92.190402.
2003
J. L. O'Brien, G. J. Pryde, A. G. White, T. C. Ralph, and D. Branning, Demonstration of an all-optical quantum controlled-NOT gate, Nature 426, 264 (2003). doi:10.1038/nature02054. Click here for press and media accounts of this paper. G. J. Pryde and A. G. White, Creation of maximally entangled photon number states using optical fibre multiports, Physical Review A, 68, 052315 (2003). doi:10.1103/PhysRevA.68.052315. P. A. Roos, S. K. Murphy, L. S. Meng, J. L. Carlsten, T. C. Ralph, A. G. White and J. K. Brasseur, Quantum theory of the far-of-resonance cw Raman laser: Heisenberg / Langevin approach, Physical Review A 68, 013802 (2003). doi:10.1103/PhysRevA.68.013802.	A. Gilchrist, W. J. Munro, and A. G. White, Input states for quantum gates, Physical Review A 67, 040304(R) (2003). doi:10.1103/PhysRevA.67.040304. M. D. Harvey and A. G. White, Frequency locking by analysis of orthogonal modes, Optics Communication 221, 163 (2003). doi:10.1016/S0030-4018(03)01425-1. J. B. Altepeter, D. Branning, E. Jeffrey, T. C. Wei, P. G. Kwiat, R. T. Thew, J. L. O'Brien, M. A. Nielsen, and A. G. White, Ancilla-assisted quantum process tomography, Physical Review Letters 90 193601 (2003). doi:10.1103/PhysRevLett.90.193601.
2002
A. Gilchrist, A. G. White and W. J. Munro, Entanglement creation using quantum interrogation, Physical Review A 66, 012106 (2002). doi:10.1103/PhysRevA.66.012106. R. T. Thew, K. Nemoto, A. G. White, and W. J. Munro, Qudit quantum-state tomography, Physical Review A 66, 012303 (2002). doi:10.1103/PhysRevA.66.012303.	T. C. Ralph, N. K. Langford, T. B. Bell and A. G. White, Linear optical controlled-NOT gate in the coincidence basis, Physical Review A 65, 062324 (2002). doi:10.1103/PhysRevA.65.062324.
2001
M. S. Gulley, A. G. White, and D. F. V. James, A Raman approach to quantum logic in Calcium-like ions, arXiv:quant-ph/0112117 (2001). G. Kociuba, N. R. Heckenberg, A. G. White, Simple Transforming chaos to periodic oscillations, Physical Review E 64, 056220 (2001) T. C. Ralph, A. G. White, and G. J. Milburn, Simple Scheme for Efficient Linear Optics Quantum Gates, Physical Review A 65, 012314 (2001). A. G. White, D. F. V. James, W. J. Munro, and P. G. Kwiat, Exploring Hilbert space: Accurate characterization of quantum information, Physical Review A 65, 012301 (2001).	D. F. V. James, P. G. Kwiat, W. J. Munro, and A. G. White, Measurement of qubits, Physical Review A 64, 052312 (2001). W. J. Munro, D. F. V. James, A. G. White, and P. G. Kwiat, Maximizing the entanglement of two mixed qubits, Physical Review A 64, 030302 (R) (2001). W. J. Munro, K. Nemoto, and A. G. White, The Bell inequality: a measure of entanglement?, Journal of Modern Optics 48, 1239-1246 (2001).
2000
P. G. Kwiat, A. J. Berglund, J. B. Altepeter, and A. G. White, Experimental verification of decoherence-free subspaces, Science 290, 498-501 (2000). D. G. Enzer, M. M. Schauer, J. J. Gomez, M. S. Gulley, M. H. Holzscheiter, P. G. Kwiat, S. K. Lamoreaux, C. G. Peterson, V. D. Sandberg, D. Tupa, A. G. White, R. J. Hughes, and D. F. V. James, Observation of Power-Law Scaling for Phase Transitions in Linear Trapped Ion Crystals, Physical Review Letters 85, 2466-2470 (2000). A. G. White, P. K. Lam, D. E. McClelland, H.-A. Bachor, and W. J. Munro, Kerr noise reduction in a frequency doubler, Journal of Optics B: Quantum and Semiclassical Optics 2, 553-561 (2000).	D. S. Naik, C. G. Peterson, A. G. White, A. J. Berglund, and P. G. Kwiat, Entangled state quantum cryptography: Eavesdropping on the Ekert protocol, Physical Review Letters 84, 4733-4736 (2000). P. G. Kwiat, J. R. Mitchell, P. D. D. Schwindt, and A. G. White, Grover's search algorithm: An optical approach, Journal of Modern Optics 47, 257-266 (2000).
1999
P. G. Kwiat, A. G. White, J. R. Mitchell, O. Nairz, G. Weihs, H. Weinfurter, and A. Zeilinger, High-efficiency quantum interrogation measurements via the quantum Zeno effect, Physical Review Letters 83, 4725-4728 (1999). A. G. White, D. F. V. James, P. H. Eberhard and P. G. Kwiat, Non-maximally entangled states: production, characterisation and utilisation, Physical Review Letters 83, 3103-3106 (1999).	P. G. Kwiat, E. Waks, A. G. White, I. Appelbaum, and P. H. Eberhard, Ultra-bright source of polarization-entangled photons, Physical Review A 60, R773-R776 (1999).

Theses

Nathan Langford, Encoding, manipulating and measuring quantum information in optics, Doctor of Philosophy, University of Queensland, July (2007). Robert Prevedel, Experimental Realization of a Simple Entangling Optical Gate for Quantum Computation, Diplomarbeit zur Erlangung des Grades eines "Magister der Naturwissenschaften", November (2005). Gregory Kociuba, Control and generalised synchronisation in a chaotic laser, Doctor of Philosophy, University of Queensland, July (2003).

Virtual Journal Publications

B. P. Lanyon, T. J. Weinhold, N. K. Langford, J. L. O'Brien, K. J. Resch, A. Gilchrist, and A. G. White, Manipulating Biphotonic Qutrits, Virtual Journal of Quantum Information 8, no. 2, January (2007). B. P. Lanyon, T. J. Weinhold, N. K. Langford, M. Barbieri, D. F. V. James, A. Gilchrist, and A. G. White, Experimental Demonstration of a Compiled Version of Shor's Algorithm with Quantum Entanglement, Virtual Journal of Quantum Information 8, no. 1, January (2007). K. J. Resch, K. L. Pregnell, R. Prevedel, A. Gilchrist, G. J. Pryde, J. L. O'Brien, and A. G. White, Time-reversal and super-resolving phase measurements, Virtual Journal of Quantum Information 7, no. 6, June (2007). K. J. Resch, J. L. O'Brien, T. J. Weinhold, K. Sanaka, B. P. Lanyon, and N. K. Langford, and A. G. White, Entanglement generation by Fock-state filtration, Virtual Journal of Quantum Information 7, no. 6, June (2007). A. G. White, A. Gilchrist, G. J. Pryde, J. L. O'Brien, M. J. Bremner, and N. K. Langford, Measuring two-qubit gates, Virtual Journal of Quantum Information 7, no. 2, February (2007). J. E. de Albuquerque, C. Giacomantonio, A. G. White, and P. Meredith, Determination of thermal and optical parameters of melanins by photopyroelectric spectroscopy, Virtual Journal of Biological Physics Research 10, no. 4, August 15 (2005). G. J. Pryde, J. L. O'Brien, A. G. White, S. D. Bartlett, and T. C. Ralph, Reply to comment, Virtual Journal of Quantum Information 5, no. 8, August (2005). G. J. Pryde, J. L. O'Brien, A. G. White, T. C. Ralph, and H. M. Wiseman, Measurement of Quantum Weak Values of Photon Polarization, Virtual Journal of Quantum Information 5, no. 7, July (2005). G. J. Pryde, J. L. O'Brien, A. G. White, and S. D. Bartlett, Demonstrating Superior Discrimination of Locally Prepared States Using Nonlocal Measurements, Virtual Journal of Nanoscale Science & Technology 11, no. 24, June 20 (2005). G. J. Pryde, J. L. O'Brien, A. G. White, and S. D. Bartlett, Demonstrating Superior Discrimination of Locally Prepared States Using Nonlocal Measurements, Virtual Journal of Quantum Information 5, no. 6, June (2005). J. L. O'Brien, G. J. Pryde, A. G. White, and T. C. Ralph, High-fidelity Z-measurement error encoding of optical qubits, Virtual Journal of Quantum Information 5, no. 6, June (2005). J. L. O'Brien, G. J. Pryde, A. Gilchrist, D. F. V. James, N. K. Langford, T. C. Ralph, and A. G. White, Quantum process tomography of a controlled-NOT gate, Virtual Journal of Quantum Information 4, no. 9, September (2004). N. K. Langford, R. B. Dalton, M. D. Harvey, J. L. O'Brien, G. J. Pryde, A. Gilchrist, S. D. Bartlett, and A. G. White, Measuring Entangled Qutrits and Their Use for Quantum Bit Commitment, Virtual Journal of Quantum Information 4, no. 8, August (2004). G. J. Pryde, J. L. O'Brien, A. G. White, S. D. Bartlett, and T. C. Ralph, Measuring a photonic qubit without destroying it, Virtual Journal of Quantum Information, 4, no. 5, May (2004). J. L. O'Brien, G. J. Pryde, A. G. White, T. C. Ralph, and D. Branning, Demonstration of an all-optical quantum controlled-NOT gate, Virtual Journal of Nanoscale Science & Technology 8, no. 22, December 1 (2003).

J. L. O'Brien, G. J. Pryde, A. G. White, T. C. Ralph, and D. Branning, Demonstration of an all-optical quantum controlled-NOT gate, Virtual Journal of Quantum Information, 3, no. 12, December (2003). G. J. Pryde and A. G. White, Creation of maximally entangled photon number states using optical fibre multiports, Virtual Journal of Quantum Information, 3, no. 12, December (2003). A. Gilchrist, W. J. Munro, and A. G. White, Input states for quantum gates, Virtual Journal of Quantum Information, 3, no. 5, May (2003). J. B. Altepeter, D. Branning, E. Jeffrey, T. C. Wei, P. G. Kwiat, R. T. Thew, J. L. O'Brien, M. A. Nielsen, and A. G. White, Ancilla-assisted quantum process tomography, Virtual Journal of Nanoscale Science & Technology 7, no. 21, May 26 (2003). J. B. Altepeter, D. Branning, E. Jeffrey, T. C. Wei, P. G. Kwiat, R. T. Thew, J. L. O'Brien, M. A. Nielsen, and A. G. White, Ancilla-assisted quantum process tomography, Virtual Journal of Quantum Information 3, no. 5, May (2003). R. T. Thew, K. Nemoto, A. G. White, and W. J. Munro, Qudit quantum-state tomography, Virtual Journal of Quantum Information 2, no. 8, August (2002). A. Gilchrist, A. G. White and W. J. Munro, Entanglement creation using quantum interrogation, Virtual Journal of Quantum Information 2, no. 8, August (2002). T. C. Ralph, N. K. Langford, T. B. Bell and A. G. White, Linear optical controlled-NOT gate in the coincidence basis, Virtual Journal of Quantum Information 2, no. 7, July (2002). A. G. White, D. F. V. James, W. J. Munro, and P. G. Kwiat, Exploring Hilbert space: Accurate characterization of quantum information, Virtual Journal of Quantum Information 2, no. 1, January (2002). T. C. Ralph, A. G. White, and G. J. Milburn, Simple Scheme for Efficient Linear Optics Quantum Gates, Virtual Journal of Quantum Information 2, no. 1, January (2002). G. Kociuba, N. R. Heckenberg, A. G. White, Simple Transforming chaos to periodic oscillations, Virtual Journal of Quantum Information 1, no. 7, December (2001). D. F. V. James, P. G. Kwiat, W. J. Munro, and A. G. White, Measurement of qubits, Virtual Journal of Quantum Information 1, no. 6, November (2001). W. J. Munro, D. F. V. James, A. G. White, and P. G. Kwiat, Maximizing the entanglement of two mixed qubits, Virtual Journal of Quantum Information 1, no. 4, September (2001). P. G. Kwiat, A. J. Berglund, J. B. Altepeter, and A. G. White, Experimental verification of decoherence-free subspaces, Virtual Journal of Nanoscale Science & Technology 2, no. 18, October 30 (2000)

Patents

A. G. White and M. D. Harvey, Method and apparatus for precision measurement of phase shifts, International Patent Application PCT/AU2004/001160, lodged August 27, (2004). M. D. Harvey and A. G. White, Method and apparatus for detecting frequency change of electromagnetic radiation, International Patent Application PCT/AU2004/000591, lodged May 7 (2004). A. G. White and M. D. Harvey, Method and apparatus for precision measurement of phase shifts, Australian Provisional Patent #2003904613, lodged August 27, (2003).

M. D. Harvey and A. G. White, Method and apparatus for detecting frequency change of electromagnetic radiation, Australian Provisional Patent, lodged May 8 (2003). P. G. Kwiat, P. H. Eberhard and A. G. White, Ultra-bright source of polarization-entangled photons, United States Patent #6 424 665, granted July 23, (2002).

Non-refereed publications
A. G. White, Quantum information and Optics, Australian Optical Society News, March, (2002).	P. G. Kwiat, A. G. White and P. H. Eberhard, Polarization-Entangled Photons: The Next Generation, Optics and Photonics News, December, p. 39 (1999).

Press and media accounts

Nick Miller, Heading in the Light Direction, Sydney Morning Herald (3 Oct 2006); Heading in the Light Direction, The Age (3 Oct 2006). Robyn Williams, Quantum Computing, Science Show (7 May 2005). Jennifer Dudley, Einstein's next quantum leap, Courier Mail (17 Mar. 2005). Duncan McKimm, Quantum entanglement, ABC Science (Nov. 2004). Damian Pope, Quantum Leap for Computing, Australasian Science, (Jan./Feb. 2004). Light work of quantum computers, Monitor 28, 2 (Dec. 2003). Quantum computing breakthrough, The R & D Review, (Dec. 2003/Jan. 2004) Peter McCutcheon, Brisbane team leads ground-breaking project, The 7:30 Report (11 Dec. 2003). Heather Catchpole, Spooky bits propel quantum computer, ABC Science Online (25 Nov. 2003). Ian Townsend, Quantum computer in development, ABC PM Programme (24 Nov. 2003). Jenny Hogan, Optical gate kick-starts quantum computer race, New Scientist, p. 27 (22 Nov. 2003). Richard Chirgwin, Interview: UQ's Dr Andrew White - Quanta, Photons, and Things Hard to See,, Commsworld, (21 Nov. 2003).

Richard Chirgwin, Untangling Quantum Computing at Queensland Uni - An Open and Shut Gate, Commsworld, (20 Nov. 2003). Damian Pope, What Makes a Quantum Computer Tick, Australasian Science, (20 Nov. 2003). Paul C. W. Davies. Thanked for discussions in How to build a time machine, (Allen Lane/Penguin, ISBN: 0713995831, Nov. 2001). D. S. Burgess, Secretive Photons Create Unbreakable Codes, Photonics Spectra, pp. 48-50 (August 2000). J. Glanz, In the Quantum World, Keys to New Codes, The New York Times (Tuesday, May 2, 2000). P. F. Schewe and B. J. Stein, Exploiting quantum "spookiness" to create secret codes, Physics News Update, The American Institute of Physics Bulletin of Physics, Number 480 (Apr. 24, 2000).