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Experimental Reconstruction of Entanglement Quasiprobabilities
J. Sperling, E. Meyer-Scott, S. Barkhofen +2
We report on the first experimental reconstruction of an entanglement quasiprobability. In contrast to related techniques, the negativities in our distributions are a necessary and…
Photonic quantum walks with four-dimensional coins
Lennart Lorz, Evan Meyer-Scott, Thomas Nitsche +5
The dimensionality of the internal coin space of discrete-time quantum walks has a strong impact on the complexity and richness of the dynamics of quantum walkers. While two-dimens…
High-performance source of spectrally pure, polarization entangled photon pairs based on hybrid integrated-bulk optics
Evan Meyer-Scott, Nidhin Prasannan, Christof Eigner +4
Entangled photon pair sources based on bulk optics are approaching optimal design and implementation, with high state fidelities, spectral purities and heralding efficiencies, but…
A high dynamic range optical detector for measuring single photons and bright light
Johannes Tiedau, Evan Meyer-Scott, Thomas Nitsche +3
Detecting light is fundamental to all optical experiments and applications. At the single photon level, the quantised nature of light requires specialised detectors, which typicall…
Low-noise heralded single photons from cascaded downconversion
Patrick F. Poitras, Evan Meyer-Scott, Deny R. Hamel
Heralded single photon sources are often implemented using spontaneous parametric downconversion, but their quality can be restricted by optical loss, double pair emission and dete…