134 citations · 402 across the 13 of their papers we have counts for
13 papers
Sub-μm axial precision depth imaging with entangled two-colour Hong-Ou-Mandel microscopy
Cyril Torre, Alex McMillan, Jorge Monroy-Ruz +1
The quantum interference of two wavelength-entangled photons overlapping at a beamsplitter results in an oscillating interference pattern. The frequency of the beat note is depende…
Quantum Rangefinding
Stefan Frick, Alex McMillan, John Rarity
Quantum light generated in non-degenerate squeezers has many applications such as sub-shot-noise transmission measurements to maximise the information extracted by one photon or qu…
Quantum Absorbance Estimation and the Beer-Lambert Law
Euan J. Allen, Javier Sabines-Chesterking, Alex McMillan +3
The utility of transmission measurement has made it a target for quantum enhanced measurement strategies. Here we find if the length of an absorbing object is a controllable variab…
Twin-beam sub-shot-noise raster-scanning microscope with a hybrid detection scheme
J. Sabines-Chesterking, A. R. McMillan, P. A. Moreau +5
By exploiting the quantised nature of light, we demonstrate a sub-shot-noise scanning optical transmittance microscope. Our microscope demonstrates, with micron scale resolution, a…
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…
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…
Demonstrating an absolute quantum advantage in direct absorption measurement
Paul-Antoine Moreau, Javier Sabines-Chesterking, Rebecca Whittaker +5
Engineering apparatus that harness quantum theory offers practical advantages over current technology. A fundamentally more powerful prospect is the long-standing prediction that s…
Sub-shot-noise transmission measurement using optically gated single photons
J. Sabines-Chesterking, R. Whittaker, S. K. Joshi +7
Harnessing the unique properties of quantum mechanics offers the possibility to deliver new technologies that can fundamentally outperform their classical counterparts. These techn…
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…
On the effects of self- and cross-phase modulation on photon purity for four-wave mixing photon-pair sources
Bryn Bell, Alex McMillan, Will McCutcheon +1
We consider the effect of self-phase modulation and cross-phase modulation on the joint spectral amplitude of photon pairs generated by spontaneous four-wave mixing. In particular,…
Multi-Colour Quantum Metrology with Entangled Photons
Bryn Bell, Srikanth Kannan, Alex McMillan +3
Entangled photons can be used to make measurements with an accuracy beyond that possible with classical light. While most implementations of quantum metrology have used states made…
Two-photon interference between disparate sources for quantum networking
A. R. McMillan, L. Labonté, A. S. Clark +6
Quantum networks involve entanglement sharing between multiple users. Ideally, any two users would be able to connect regardless of the type of photon source they employ, provided…