Dual-frame optimization for informationally complete quantum measurements

LE Fischer, T Dao, I Tavernelli, F Tacchino - Physical Review A, 2024 - APS
Randomized measurement protocols such as classical shadows represent powerful
resources for quantum technologies, with applications ranging from quantum state …

Experimental property reconstruction in a photonic quantum extreme learning machine

A Suprano, D Zia, L Innocenti, S Lorenzo, V Cimini… - Physical Review Letters, 2024 - APS
Recent developments have led to the possibility of embedding machine learning tools into
experimental platforms to address key problems, including the characterization of the …

Optimizing quantum tomography via shadow inversion

A Caprotti, J Morris, B Dakić - Physical Review Research, 2024 - APS
In quantum information theory, the accurate estimation of observables is pivotal for quantum
information processing, playing a crucial role in computational and communication …

Enhanced observable estimation through classical optimization of informationally overcomplete measurement data: Beyond classical shadows

J Malmi, K Korhonen, D Cavalcanti, G García-Pérez - Physical Review A, 2024 - APS
In recent years, informationally complete measurements have attracted considerable
attention, especially in the context of classical shadows. In the particular case of …

Classical shadow tomography with mutually unbiased bases

Y Wang, W Cui - Physical Review A, 2024 - APS
Classical shadow tomography, harnessing randomized informationally complete (IC)
measurements, provides an effective avenue for predicting many properties of unknown …

Quantum extreme learning of molecular potential energy surfaces and force fields

GL Monaco, M Bertini, S Lorenzo… - … Learning: Science and …, 2024 - iopscience.iop.org
Quantum machine learning algorithms are expected to play a pivotal role in quantum
chemistry simulations in the immediate future. One such key application is the training of a …

Low-variance observable estimation with informationally-complete measurements and tensor networks

S Mangini, D Cavalcanti - arXiv preprint arXiv:2407.02923, 2024 - arxiv.org
We propose a method to provide unbiased estimators of multiple observables with low
statistical error by utilizing informationally (over) complete measurements and tensor …

Experimental hybrid shadow tomography and distillation

XJ Peng, Q Liu, L Liu, T Zhang, Y Zhou, H Lu - arXiv preprint arXiv …, 2024 - arxiv.org
Characterization of quantum states is a fundamental requirement in quantum science and
technology. As a promising framework, shadow tomography shows significant efficiency in …

Quantum landscape tomography for efficient single-gate optimization on quantum computers

M Ben-Dov, I Arad, EGD Torre - arXiv preprint arXiv:2407.18305, 2024 - arxiv.org
Several proposals aiming to demonstrate quantum advantage on near-term quantum
computers rely on the optimization of variational circuits. These approaches include, for …

State estimation with quantum extreme learning machines beyond the scrambling time

M Vetrano, GL Monaco, L Innocenti, S Lorenzo… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum extreme learning machines (QELMs) leverage untrained quantum dynamics to
efficiently process information encoded in input quantum states, avoiding the high …