Publications (109)
Spectral Effects of Fast Response Cross Kerr Non-Linearity on Quantum Gate
P. M. Leung, T. C. Ralph, William J. Munro +1
Configurable unitary transformations and linear logic gates using quantum memories
G. T. Campbell, O. Pinel, M. Hosseini +3
Production of superpositions of coherent states in traveling optical fields with inefficient photon detection
H. Jeong, A. P. Lund, T. C. Ralph
Quantum fields on closed time-like curves
J. L. Pienaar, C. R. Myers, T. C. Ralph
Measuring measurement
J. S. Lundeen, A. Feito, H. Coldenstrodt-Ronge +6
Utilizing Encoding in Scalable Linear Optics Quantum Computing
A. J. F. Hayes, A. Gilchrist, C. R. Myers +1
Teleportation using squeezed single photons
Agata M Branczyk, T. C. Ralph
Violations of Bell's inequality for Gaussian states with homodyne detection and nonlinear interactions
M. Paternostro, H. Jeong, T. C. Ralph
Fault-tolerant linear optical quantum computing with small-amplitude coherent states
A. P. Lund, T. C. Ralph, H. L. Haselgrove
Conditional Production of Superpositions of Coherent States with Inefficient Photon Detection
A. P. Lund, H. Jeong, T. C. Ralph +1
Conditional two mode squeezed vacuum teleportation
P. T. Cochrane, T. C. Ralph, G. J. Milburn
Estimation of gravitational acceleration with quantum optical interferometers
S. Y. Chen, T. C. Ralph
Photon Added Detection
A. M. Branczyk, Tobias J. Osborne, Alexei Gilchrist +1
On the problem of non-zero word error rates for fixed-rate error correction codes in continuous variable quantum key distribution
Sarah J. Johnson, Andrew M. Lance, Lawrence Ong +3
Entanglement decoherence in a gravitational well according to the event formalism
T. C. Ralph, J. Pienaar
Unitary Solution to a Quantum Gravity Information Paradox
T. C. Ralph
Information Flow of quantum states interacting with closed timelike curves
T. C. Ralph, C. R. Myers
Photon number discrimination without a photon counter and its application to reconstructing non-Gaussian states
H. M. Chrzanowski, J. Bernu, B. M. Sparkes +5
Schrodinger cats and their power for quantum information processing
A. Gilchrist, Kae Nemoto, W. J. Munro +4
Coherent state LOQC gates using simplified diagonal superposition resource states
A. P. Lund, T. C. Ralph
Time Displaced Entanglement and Non-Linear Quantum Evolution
T. C. Ralph
Unconditional Continuous Variable Dense Coding
T. C. Ralph, E. H. Huntington
Quantum Computation with Coherent States, Linear Interactions and Superposed Resources
T. C. Ralph, W. J. Munro, G. J. Milburn
Components for Optical Qubits in the Radio Frequency Basis
E. H. Huntington, T. C. Ralph
Quantum weak values
G. J. Pryde, J. L. O'Brien, A. G. White +2
Optimised generation of heralded Fock states using parametric down conversion
Agata M. Branczyk, T. C. Ralph, Wolfram Helwig +1
High-Fidelity Z-Measurement Error Correction of Optical Qubits
J. L. O'Brien, G. J. Pryde, A. G. White +1
Adaptive Phase Measurements in Linear Optical Quantum Computation
T. C. Ralph, A. P. Lund, H. M. Wiseman
Space-time qubits
J. L. Pienaar, C. R. Myers, T. C. Ralph
Coherent analysis of quantum optical sideband modes
E. H. Huntington, G. N. Milford, C. Robilliard +1
Optimal architecture for a non-deterministic noiseless linear amplifier
N. A. McMahon, A. P. Lund, T. C. Ralph
Optimal cloning for finite distributions of coherent states
P. T. Cochrane, T. C. Ralph, A. Dolinska
Open timelike curves violate Heisenberg's uncertainty principle
J. L. Pienaar, C. R. Myers, T. C. Ralph
Photon Sorting, Efficient Bell Measurements and a Deterministic CZ Gate using a Passive Two-level Nonlinearity
T. C. Ralph, I. Söllner, S. Mahmoodian +2
Models of reduced-noise, probabilistic linear amplifiers
Joshua Combes, Nathan Walk, A. P. Lund +2
Characterizing teleportation in optics
T. C. Ralph, R. E. S. Polkinghorne, P. K. Lam
Quantum Connectivity of Space-Time and Gravitationally Induced Decorrelation of Entanglement
T. C. Ralph, G. J. Milburn, T. Downes
Tailoring teleportation to the quantum alphabet
P. T. Cochrane, T. C. Ralph
Quantum communication in the presence of a horizon
Daiqin Su, T. C. Ralph
Simple Scheme for Efficient Linear Optics Quantum Gates
T. C. Ralph, A. G. White, W. J. Munro +1
Quantum Key Distribution with Continuous Variables in Optics
T. C. Ralph
Noiseless Linear Amplification and Distillation of Entanglement
G. Y. Xiang, T. C. Ralph, A. P. Lund +2
Security of Continuous Variable Quantum Cryptography
T. C. Ralph
Quantum state cloning in the presence of a closed timelike curve
D. Ahn, C. R. Myers, T. C. Ralph +1
Coherent Superposition States as Quantum Rulers
T. C. Ralph
Quantum computation with optical coherent states
T. C. Ralph, A. Gilchrist, G. J. Milburn +2
An experimental investigation of criteria for continuous variable entanglement
W. P. Bowen, R. Schnabel, P. K. Lam +1
Reply to Comment on ``Proposal for the Measurement of Bell-Type Correlations from Continuous Variables''
T. C. Ralph, W. J. Munro
Generation of macroscopic superposition states with small nonlinearity
H. Jeong, M. S. Kim, T. C. Ralph +1
Problems with modelling closed timelike curves as post-selected teleportation
T. C. Ralph
Non-Gaussian, Mixed Continuous-Variable Entangled States
A. P. Lund, T. C. Ralph, P. van Loock
Quantum Sampling Problems, BosonSampling and Quantum Supremacy
A. P. Lund, Michael J. Bremner, T. C. Ralph
Nondeterministic Noiseless Linear Amplification of Quantum Systems
T. C. Ralph, A. P. Lund
Homodyne measurement of average photon number
J. G. Webb, T. C. Ralph, E. H. Huntington
Comparison of LOQC C-sign gates with ancilla inefficiency and an improvement to functionality under these conditions
A. P. Lund, T. B. Bell, T. C. Ralph
Loss-tolerant operations in parity-code linear optics quantum computing
A. J. F. Hayes, A. Gilchrist, T. C. Ralph
Reply to "Comment on 'Measuring a Photonic Qubit without Destroying It'"
G. J. Pryde, J. L. O'Brien, A. G. White +2
Quantum and classical fidelities for Gaussian states
H. Jeong, T. C. Ralph, W. P. Bowen
Efficient Toffoli Gates Using Qudits
T. C. Ralph, K. J. Resch, A. Gilchrist
Optical Quantum Computation
T. C. Ralph, G. J. Pryde
Biased EPR entanglement and its application to teleportation
W. P. Bowen, P. K. Lam, T. C. Ralph
Teleportation of continuous variable polarisation states
A. Dolinska, B. C. Buchler, P. K. Lam +2
Generation of distributed entangled coherent states over a lossy environment with inefficient detectors
A. P. Lund, T. C. Ralph, H. Jeong
Experimental Verification of Quantum Discord in Continuous-Variable States
S. Hosseini, S. Rahimi-Keshari, J. Y. Haw +6
Quantum Key Distribution without sending a Quantum Signal
T. C. Ralph, N. Walk
Quantum Optical Systems for the Implementation of Quantum Information Processing
T. C. Ralph
Demonstration of the spatial separation of the entangled quantum side-bands of an optical field
E. H. Huntington, G. N. Milford, C. Robilliard +5
Loss Tolerant Optical Qubits
T. C. Ralph, A. J. F. Hayes, Alexei Gilchrist
Boson Sampling from Gaussian States
A. P. Lund, A. Laing, S. Rahimi-Keshari +3
Quantum Non-demolition Measurements on Qubits
T. C. Ralph, S. D. Bartlett, J. L. O'Brien +2
Unity gain and non-unity gain quantum teleportation
W. P. Bowen, N. Treps, B. C. Buchler +4
Spectral Effects of Strong Chi-2 Non-Linearity for Quantum Processing
P. M. Leung, William J. Munro, Kae Nemoto +1
Quantum process tomography of a controlled-NOT gate
J. L. O'Brien, G. J. Pryde, A. Gilchrist +4
Adaptive Optical Phase Estimation Using Time-Symmetric Quantum Smoothing
T. A. Wheatley, D. W. Berry, H. Yonezawa +7
Schrodinger Cat States for Quantum Information Processing
H. Jeong, T. C. Ralph
Improving the Fidelity of Optical Zeno Gates via Distillation
P. M. Leung, T. C. Ralph
High Fidelity Teleportation of Continuous Variable Quantum States using Delocalized Single Photons
U. L. Andersen, T. C. Ralph
A Model for Non-Linear Quantum Evolution based on Time Displaced Entanglement
T. C. Ralph
A characterization of continuous variable entanglement
W. P. Bowen, R. Schnabel, P. K. Lam +1
Any quantum state can be cloned in the presence of closed timelike curves
D. Ahn, T. C. Ralph, R. B. Mann
Efficient Parity Encoded Optical Quantum Computing
Alexei Gilchrist, A. J. F. Hayes, T. C. Ralph
Phase estimation as a quantum nondemolition measurement
B. C. Travaglione, G. J. Milburn, T. C. Ralph
Proposal for a simple quantum error correction test gate in linear optics
T. C. Ralph
Entanglement swapping using continuous variables
R. E. S. Polkinghorne, T. C. Ralph
Quantum Error Correction of Continuous Variable States against Gaussian Noise
T. C. Ralph
All Optical Quantum Teleportation
T. C. Ralph
Measuring a photonic qubit without destroying it
G. J. Pryde, J. L. O'Brien, A. G. White +2
Fault Tolerance in Parity-State Linear Optical Quantum Computing
A. J. F. Hayes, H. L. Haselgrove, Alexei Gilchrist +1
Interferometric Tests of Teleportation
T. C. Ralph
The Mach-Zehnder and the Teleporter
T. C. Ralph
Gravitationally Induced Decoherence of Optical Entanglement
T. C. Ralph, G. J. Milburn, T. Downes
Proposal for the Measurement of Bell-like Correlations from Continuous Variables
T. C. Ralph, W. J. Munro, R. E. S. Polkinghorne
Quantum computing using shortcuts through higher dimensions
B. P. Lanyon, M. Barbieri, M. P. Almeida +7
Proposal for optical parity state re-encoder
Y. X. Gong, A. J. F. Hayes, G. C. Guo +1
Quantum Communication with an Accelerated Partner
T. G. Downes, T. C. Ralph, N. Walk
Reply to comment on "Information Flow of quantum states interacting with closed timelike curves"
T. C. Ralph, C. R. Myers
Coherent State Topological Cluster State Production
C. R. Myers, T. C. Ralph
Continuous Variable Quantum Cryptography - beating the 3 dB loss limit
Ch. Silberhorn, T. C. Ralph, N. Lütkenhaus +1
Linear Optical CNOT Gate in the Coincidence Basis
T. C. Ralph, N. K. Langford, T. B. Bell +1
Non-deterministic Gates for Photonic Single Rail Quantum Logic
A. P. Lund, T. C. Ralph