Quantum random sampling is the leading proposal for demonstrating a computational
advantage of quantum computers over classical computers. Recently the first large-scale …

Photonic quantum technologies represent a promising platform for several applications,
ranging from long-distance communications to the simulation of complex phenomena …

Since the development of boson sampling, there has been a quest to construct more efficient
and experimentally feasible protocols to test the computational complexity of sampling from …

Quantum computers promise to dramatically outperform their classical counterparts.
However, the nonclassical resources enabling such computational advantages are …

Gaussian Boson Samplers are photonic quantum devices with the potential to perform
intractable tasks for classical systems. As with other near-term quantum technologies, an …

Realization of a room-temperature ultrafast photon-number-resolving quantum
nondemolition (QND) measurement would have significant implications for photonic …

We study what is arguably the most experimentally appealing boson sampling architecture:
Gaussian states sampled with threshold detectors. We show that, in this setting, the …

Optical cat states, the nonclassical superposition of two quasi-classical coherent states,
serve as a basis for gedankenexperiments testing quantum physics on mesoscopic scales …

Quantum computers promise considerable speedups with respect to their classical
counterparts. However, the identification of the innately quantum features that enable these …

Sampling from the output distributions of quantum computations comprising only commuting
gates, known as instantaneous quantum polynomial (IQP) computations, is believed to be …