6 papers · 1 filter
Microwave-free vector magnetometry and crystal orientation determination with Nitrogen-Vacancy centers using Bayesian inference
Hilario Espinós, Omkar Dhungel, Arne Wickenbrock +3
Nitrogen-vacancy (NV) centers in diamond provide a solid-state platform for quantum sensing. While optically detected magnetic resonance techniques offer high sensitivity, their re…
Regressions on quantum neural networks at maximal expressivity
Iván Panadero, Yue Ban, Hilario Espinós +3
We analyze the expressivity of a universal deep neural network that can be organized as a series of nested qubit rotations, accomplished by adjustable data re-uploads. While the ma…
Control of open quantum systems via dynamical invariants
Loris Maria Cangemi, Hilario Espinós, Ricardo Puebla +2
In this study, we address the challenge of controlling quantum systems under environmental influences using the theory of dynamical invariants. We employ a reverse engineering appr…
Invariant-based control of quantum many-body systems across critical points
Hilario Espinós, Loris Maria Cangemi, Amikam Levy +2
Quantum many-body systems are emerging as key elements in the quest for quantum-based technologies and in the study of fundamental physics. In this study, we address the challenge…
Characterization of the photon emission statistics in nitrogen-vacancy centers
Iván Panadero, Hilario Espinós, Lucas Tsunaki +7
We model and experimentally demonstrate the full time-dependent counting statistics of photons emitted by a single nitrogen-vacancy (NV) center in diamond under non-resonant laser…
Fast and robust particle shuttling for quantum science and technology
Luke Qi, John Chiaverini, Hilario Espinós +2
We review methods to shuttle quantum particles fast and robustly. Ideal robustness amounts to the invariance of the desired transport results with respect to deviations, noisy or o…