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Accidental coincidences in camera-based high-dimensional entanglement certification
Raphaël Guitter, Baptiste Courme, Chloé Vernière +3
High-dimensional entangled states, such as spatially-entangled photon pairs produced by Spontaneous Parametric Down-Conversion (SPDC), are a key resource for quantum technologies.…
Full-field mapping of spatially varying polarization entanglement generated from spontaneous parametric down-conversion
Cheng Li, Girish Kulkarni, Isaac Soward +6
Two-photon states generated from spontaneous parametric down-conversion (SPDC) can display entanglement in all degrees of freedom (DoFs) of light, including spatial, temporal, and…
Spectral characterization of a SPDC source with a fast broadband spectrometer
Brianna Farella, Gregory Medwig, Raphael A. Abrahao +1
Knowing the properties of the single photons produced in a Spontaneous Parametric Down-Conversion (SPDC) source can be crucial for specific applications and uses. In particular, th…
Fast data-driven spectrometer with direct measurement of time and frequency for multiple single photons
Jakub Jirsa, Sergei Kulkov, Raphael A. Abrahao +9
We present a single-photon-sensitive spectrometer, based on a linear array of 512 single-photon avalanche diode detectors, with 0.04 nm spectral and 40 ps temporal resolutions. We…
Quantifying high-dimensional spatial entanglement with a single-photon-sensitive time-stamping camera
Baptiste Courme, Chloé Vernière, Peter Svihra +3
High-dimensional entanglement is a promising resource for quantum technologies. Being able to certify it for any quantum state is essential. However, to date, experimental entangle…
Classification of four-qubit entangled states via Machine Learning
S. V. Vintskevich, N. Bao, A. Nomerotski +2
We apply the support vector machine (SVM) algorithm to derive a set of entanglement witnesses (EW) to identify entanglement patterns in families of four-qubit states. The effective…