Computer-inspired quantum experiments
The design of new devices and experiments has historically relied on the intuition of human
experts. Now, design inspirations from computers are increasingly augmenting the capability …
experts. Now, design inspirations from computers are increasingly augmenting the capability …
Structured light in turbulence
Optical communication is an integral part of the modern economy, having all but replaced
electronic communication systems. Future growth in bandwidth appears to be on the horizon …
electronic communication systems. Future growth in bandwidth appears to be on the horizon …
Classification and reconstruction of optical quantum states with deep neural networks
We apply deep-neural-network-based techniques to quantum state classification and
reconstruction. Our methods demonstrate high classification accuracies and reconstruction …
reconstruction. Our methods demonstrate high classification accuracies and reconstruction …
Neural-network quantum state tomography
D Koutný, L Motka, Z Hradil, J Řeháček… - Physical Review A, 2022 - APS
We revisit the application of neural networks to quantum state tomography. We confirm that
the positivity constraint can be successfully implemented with trained networks that convert …
the positivity constraint can be successfully implemented with trained networks that convert …
Classical shadows with symmetries
Classical shadows (CS) have emerged as a powerful way to estimate many properties of
quantum states based on random measurements and classical post-processing. In their …
quantum states based on random measurements and classical post-processing. In their …
Relative-belief inference in quantum information theory
We introduce the framework of Bayesian relative belief that directly evaluates whether or not
the experimental data at hand support a given hypothesis regarding a quantum system by …
the experimental data at hand support a given hypothesis regarding a quantum system by …
Objective compressive quantum process tomography
We present a compressive quantum process tomography scheme that fully characterizes
any rank-deficient completely positive process with no spurious a priori information. It uses …
any rank-deficient completely positive process with no spurious a priori information. It uses …
Evidence-based certification of quantum dimensions
Identifying a reasonably small Hilbert space that completely describes an unknown quantum
state is crucial for efficient quantum information processing. We introduce a general …
state is crucial for efficient quantum information processing. We introduce a general …
Universal compressive characterization of quantum dynamics
Recent quantum technologies utilize complex multidimensional processes that govern the
dynamics of quantum systems. We develop an adaptive diagonal-element-probing …
dynamics of quantum systems. We develop an adaptive diagonal-element-probing …
Benchmarking quantum tomography completeness and fidelity with machine learning
We train convolutional neural networks to predict whether or not a set of measurements is
informationally complete to uniquely reconstruct any given quantum state with no prior …
informationally complete to uniquely reconstruct any given quantum state with no prior …