The quest for quantum advantage, wherein quantum computers surpass the computational
capabilities of classical computers executing state-of-the-art algorithms on well-defined …

A boson sampler implements a restricted model of quantum computing. It is defined by the
ability to sample from the distribution resulting from the interference of identical bosons …

In recent years, quantum computing has made significant strides, particularly in light-based
technology. The introduction of quantum photonic chips has ushered in an era marked by …

We show that quantum entanglement can provide an exponential advantage in learning
properties of a bosonic continuous-variable (CV) system. The task we consider is estimating …

Gaussian boson sampling is a form of non-universal quantum computing that has been
considered a promising candidate for showing experimental quantum advantage. While …

Two quantum algorithms are presented for the numerical solution of a linear one-
dimensional advection–diffusion equation with periodic boundary conditions. Their accuracy …

A central challenge in the verification of quantum computers is benchmarking their
performance as a whole and demonstrating their computational capabilities. In this Letter …

Cross-platform verification, a critical undertaking in the realm of early-stage quantum
computing, endeavors to characterize the similarity of two imperfect quantum devices …

Efficient and precise photon-number-resolving detectors are essential for optical quantum
information science. Despite this, very few detectors have been able to distinguish photon …

Cross-entropy (XE) measure is a widely used benchmark to demonstrate quantum
computational advantage from sampling problems, such as random circuit sampling using …