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quant-ph2019★ 22 cited

Bell correlations between light and vibration at ambient conditions

Santiago Tarrago Velez, Vivishek Sudhir, Nicolas Sangouard +1

Time-resolved Raman spectroscopy techniques offer various ways to study the dynamics of molecular vibrations in liquids or gases and optical phonons in crystals. While these techni…

quant-ph2019★ 21 cited

Evidence of the entanglement constraint on wave-particle duality using the IBM Q quantum computer

Nicolas Schwaller, Marc-André Dupertuis, Clément Javerzac-Galy

We experimentally verify the link existing between entanglement and the amount of wave-particle duality in a bipartite quantum system, with superconducting qubits in the IBM Q quan…

quant-ph2019★ 38 cited

Gaussian trajectory approach to dissipative phase transitions: the case of quadratically driven photonic lattices

Wouter Verstraelen, Riccardo Rota, Vincenzo Savona +1

We apply the Gaussian trajectories approach to the study of the critical behavior of two-dimensional dissipative arrays of nonlinear photonic cavities, in presence of two-photon dr…

quant-ph2019★ 26 cited

Efficient random number generation techniques for CMOS SPAD array based devices

Andrea Stanco, Davide G. Marangon, Giuseppe Vallone +3

This work presents new techniques to produce true random bits by exploiting single photon time of arrival. Two FPGA-based QRNG devices are presented: Randy which uses one discrete…

quant-ph2019★ 86 cited

A dissipative time crystal in an asymmetric non-linear photonic dimer

Kilian Seibold, Riccardo Rota, Vincenzo Savona

We investigate the behavior of two coupled non-linear photonic cavities, in presence of inhomogeneous coherent driving and local dissipations. By solving numerically the quantum ma…

quant-ph2019★ 32 cited

Optomechanical generation of a mechanical catlike state by phonon subtraction

Itay Shomroni, Liu Qiu, Tobias J. Kippenberg

We propose a scheme to prepare a macroscopic mechanical oscillator in a catlike state, close to a coherent state superposition. The mechanical oscillator, coupled by radiation-pres…