activity
20162022
most citedPulsed single-photon spectrometer by frequency-to-time mapping using chirped fiber Bragg gratings

65 citations · 225 across the 11 of their papers we have counts for

collaborators

11 papers

physics.optics2022★ 3 cited

Electro-optic Fourier transform chronometry of pulsed quantum light

Ali Golestani, Alex O. C. Davis, Filip Sośnicki +3

The power spectrum of an optical field can be acquired without a spectrally resolving detector by means of Fourier-transform spectrometry, based on measuring the temporal autocorre…

quant-ph2021★ 3 cited

Quantum-enhanced interferometry by entanglement-assisted rejection of environmental noise

Alex O. C. Davis, Giacomo Sorelli, Valerian Thiel +1

Sensing and measurement tasks in severely adverse conditions such as loss, noise and dephasing can be improved by illumination with quantum states of light. Previous results have s…

quant-ph2021★ 7 cited

Conditional preparation of non-Gaussian quantum optical states by mesoscopic measurement

Alexander O. C. Davis, Mattia Walschaers, Valentina Parigi +1

Non-Gaussian states of an optical field are important as a proposed resource in quantum information applications. While conditional preparation is a highly successful approach to p…

quant-ph2021★ 22 cited

Heralding multiple photonic pulsed Bell-pairs via frequency-resolved entanglement swapping

Sofiane Merkouche, Valérian Thiel, Alex O. C. Davis +1

Entanglement is a unique property of quantum systems and an essential resource for many quantum technologies. The ability to transfer or swap entanglement between systems is an imp…

physics.optics2020★ 24 cited

Temporal mode transformations by sequential time and frequency phase modulation for applications in quantum information science

James Ashby, Valerian Thiel, Markus Allgaier +3

Controlling the temporal mode shape of quantum light pulses has wide ranging application to quantum information science and technology. Techniques have been developed to control th…

quant-ph2019★ 19 cited

Single-photon characterization by two-photon spectral interferometry

Valérian Thiel, Alex O. C. Davis, Ke Sun +3

Single-photon sources are a fundamental resource in quantum optics. The indistinguishability and purity of photons emitted from different sources are crucial (necessary, essential)…

quant-ph2019

Two-color Bell states heralded via entanglement swapping

Sofiane Merkouche, Valérian Thiel, Alex O. C. Davis +1

We report on an experiment demonstrating entanglement swapping of time-frequency entangled photons. We perform a frequency-resolved Bell-state measurement on the idler photons from…

quant-ph2018★ 1 cited

Measuring the quantum state of a photon pair entangled in frequency and time

Alex O. C. Davis, Valerian Thiel, Brian J. Smith

We present a technique to completely characterise the spectral-temporal wave function of a broadband photon pair using spectral-shearing interferometry. Our method is fully self-re…

physics.optics2018★ 20 cited

Experimental single-photon pulse characterization by electro-optic shearing interferometry

Alex O. C Davis, Valérian Thiel, Michał Karpiński +1

The ability to characterize the complete quantum state of light is essential for both fundamental and applied science. For single photons the quantum state is provided by the mode…

quant-ph2017★ 61 cited

Measuring the single-photon temporal-spectral wave function

Alex O. C. Davis, Valérian Thiel, Michał Karpiński +1

Temporal-spectral modes of light provide a fundamental window into the nature of atomic and molecular systems and offer robust means for information encoding. Methods to precisely…

quant-ph2016★ 65 cited

Pulsed single-photon spectrometer by frequency-to-time mapping using chirped fiber Bragg gratings

Alex O. C. Davis, Paul M. Saulnier, Michal Karpinski +1

A fiber-integrated spectrometer for single-photon pulses outside the telecommunications wavelength range based upon frequency-to-time mapping, implemented by chromatic group delay…