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Storage of hyperentanglement in a solid-state quantum memory
Alexey Tiranov, Jonathan Lavoie, Alban Ferrier +11
Two photons can simultaneously share entanglement between several degrees of freedom such as polarization, energy-time, spatial mode and orbital angular momentum. This resource is…
Homogeneous Linewidth Narrowing of the Charged Exciton via Nuclear Spin Screening in an InAs/GaAs Quantum Dot Ensemble
G. Moody, M. Feng, C. McDonald +2
In semiconductor quantum dots, the electron hyperfine interaction with the nuclear spin bath is the leading source of spin decoherence at cryogenic temperature. Using high-resoluti…
Spectral Correlation Measurements at the Hong-Ou-Mandel Interference Dip
Thomas Gerrits, Francesco Marsili, Varun Verma +4
We present an efficient tool capable of measuring the spectral correlations between photons emerging from a Hong-Ou-Mandel interferometer. We show that for our spectrally factoriza…
High-efficiency WSi superconducting nanowire single-photon detectors operating at 2.5 K
V. B. Verma, B. Korzh, F. Bussières +7
We investigate the operation of WSi superconducting nanowire single-photon detectors (SNSPDs) at 2.5 K, a temperature which is ~ 70 % of the superconducting transition temperature…
Direct generation of three-photon polarization entanglement
Deny R. Hamel, Lynden K. Shalm, Hannes Hübel +7
Non-classical states of light are of fundamental importance for emerging quantum technologies. All optics experiments producing multi-qubit entangled states have until now relied o…
Superconducting nanowire single photon detectors fabricated from an amorphous Mo0.75Ge0.25 thin film
V. B. Verma, A. E. Lita, M. R. Vissers +4
We present the characteristics of superconducting nanowire single photon detectors (SNSPDs) fabricated from amorphous Mo0.75Ge0.25 thin-films. Fabricated devices show a saturation…