134 citations · 826 across the 25 of their papers we have counts for
25 papers
Reply to "Counterfactual communication not achieved yet -- A Comment on Salih et al. (2022)"
Hatim Salih, Jonte R. Hance, Will McCutcheon +1
In his Comment on our recent paper ``The laws of physics do not prohibit counterfactual communication'', \textit{npj Quantum Information} (2022) 8:60, Popescu argues that the claim…
L00L entanglement and the twisted quantum eraser
Dylan Danese, Sabine Wollmann, Saroch Leedumrongwatthanakun +4
We demonstrate the generation of unbalanced two-photon entanglement in the Laguerre-Gaussian (LG) transverse-spatial degree-of-freedom, where one photon carries a fundamental (Gaus…
Correcting for finite statistics effects in a quantum steering experiment
Sophie Engineer, Ana C. S. Costa, Alexandre C. Orthey +7
Verifying entanglement between parties is essential for creating secure quantum communication. However, finite statistics can lead to false positive outcomes in any tests for entan…
Inverse-design of high-dimensional quantum optical circuits in a complex medium
Suraj Goel, Saroch Leedumrongwatthanakun, Natalia Herrera Valencia +5
Programmable optical circuits form a key part of quantum technologies today, ranging from transceivers for quantum communication to integrated photonic chips for quantum informatio…
Noise-Robust and Loss-Tolerant Quantum Steering with Qudits
Vatshal Srivastav, Natalia Herrera Valencia, Will McCutcheon +5
A primary requirement for a robust and unconditionally secure quantum network is the establishment of quantum nonlocal correlations over a realistic channel. While loophole-free te…
Characterising and Tailoring Spatial Correlations in Multi-Mode Parametric Downconversion
Vatshal Srivastav, Natalia Herrera Valencia, Saroch Leedumrongwatthanakun +2
Photons entangled in their position-momentum degrees of freedom (DoFs) serve as an elegant manifestation of the Einstein-Podolsky-Rosen paradox, while also enhancing quantum techno…
Entangled ripples and twists of light: Radial and azimuthal Laguerre-Gaussian mode entanglement
Natalia Herrera Valencia, Vatshal Srivastav, Saroch Leedumrongwatthanakun +2
It is well known that photons can carry a spatial structure akin to a "twisted" or "rippled" wavefront. Such structured light fields have sparked significant interest in both class…
A general framework for multimode Gaussian quantum optics and photo-detection: application to Hong-Ou-Mandel interference with filtered heralded single photon sources
Oliver F. Thomas, Will McCutcheon, Dara P. S. McCutcheon
The challenging requirements of large scale quantum information processing using parametric heralded single photon sources involves maximising the interference visibility whilst ma…
Backscattering in Nonlinear Microring Resonators Via A Gaussian Treatment of Coupled Cavity Modes
Will McCutcheon
Systems of coupled cavity modes have the potential to provide bright quantum optical states of light in a highly versatile manner. Microring resonators for instance are highly scal…
Deterministic Teleportation and Universal Computation Without Particle Exchange
Hatim Salih, Jonte R. Hance, Will McCutcheon +2
Teleportation is a cornerstone of quantum technologies, and has played a key role in the development of quantum information theory. Pushing the limits of teleportation is therefore…
Exchange-Free Computation on an Unknown Qubit at a Distance
Hatim Salih, Jonte R. Hance, Will McCutcheon +2
We present a way of directly manipulating an arbitrary qubit, without the exchange of any particles. This includes as an application the exchange-free preparation of an arbitrary q…
Genuine high-dimensional quantum steering
Sébastien Designolle, Vatshal Srivastav, Roope Uola +4
High-dimensional quantum entanglement can give rise to stronger forms of nonlocal correlations compared to qubit systems, offering significant advantages for quantum information pr…
High-Dimensional Pixel Entanglement: Efficient Generation and Certification
Natalia Herrera Valencia, Vatshal Srivastav, Matej Pivoluska +4
Photons offer the potential to carry large amounts of information in their spectral, spatial, and polarisation degrees of freedom. While state-of-the-art classical communication sy…
Semi-Device-Independent Random Number Generation with Flexible Assumptions
Matej Pivoluska, Martin Plesch, Máté Farkas +6
Our ability to trust that a random number is truly random is essential for fields as diverse as cryptography and fundamental tests of quantum mechanics. Existing solutions both com…
Unscrambling Entanglement through a Complex Medium
Natalia Herrera Valencia, Suraj Goel, Will McCutcheon +2
The transfer of quantum information through a noisy environment is a central challenge in the fields of quantum communication, imaging and nanophotonics. In particular, high-dimens…
Modal, Truly Counterfactual Communication with On-Chip Demonstration Proposal
Jonte Hance, Will McCutcheon, Patrick Yard +1
We formalize Salih et al's Counterfactual Communication Protocol (arXiv2018), which allows it not only to be used in with other modes than polarization, but also for interesting ex…
Structure in Multimode Squeezing: A Generalised Bloch-Messiah Reduction
Will McCutcheon
Methods to decompose nonlinear optical transformation vary from setting to setting, leading to apparent differences in the treatments used to model photon pair sources, compared to…
Optimal simultaneous measurements of incompatible observables of a single photon
Adetunmise C. Dada, Will McCutcheon, Erika Andersson +6
Joint or simultaneous measurements of non-commuting quantum observables are possible at the cost of increased unsharpness or measurement uncertainty. Many different criteria exist…
The laws of physics do not prohibit counterfactual communication
Hatim Salih, Will McCutcheon, Jonte Hance +1
It has been conjectured that counterfactual communication is impossible, even for post-selected quantum particles. We strongly challenge this by proposing precisely such a counterf…
Experimental demonstration of a measurement-based realisation of a quantum channel
W. McCutcheon, A. McMillan, J. G. Rarity +1
We introduce and experimentally demonstrate a method for realising a quantum channel using the measurement-based model. Using a photonic setup and modifying the bases of single-qub…
Space QUEST mission proposal: Experimentally testing decoherence due to gravity
Siddarth Koduru Joshi, Jacques Pienaar, Timothy C. Ralph +42
Models of quantum systems on curved space-times lack sufficient experimental verification. Some speculative theories suggest that quantum properties, such as entanglement, may exhi…
Experimental Verification of Multipartite Entanglement in Quantum Networks
W. McCutcheon, A. Pappa, B. A. Bell +9
Multipartite entangled states are a fundamental resource for a wide range of quantum information processing tasks. In particular, in quantum networks it is essential for the partie…
Experimentally exploring compressed sensing quantum tomography
A. Steffens, C. Riofrio, W. McCutcheon +6
In the light of the progress in quantum technologies, the task of verifying the correct functioning of processes and obtaining accurate tomographic information about quantum states…
Adjusting inequalities for detection-loophole-free steering experiments
Ana Belén Sainz, Yelena Guryanova, Will McCutcheon +1
We study the problem of certifying quantum steering in a detection-loophole-free manner in experimental situations that require post-selection. We present a method to find the modi…