3.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of PaviaIT2.8k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT2.6k papers
- European Organization for Nuclear ResearchCH2.5k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT2.5k papers
- Centre National de la Recherche ScientifiqueFR2.4k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT2.4k papers
- National and Kapodistrian University of AthensGR2.4k papers
- The Ohio State UniversityUS2.4k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR2.4k papers
- Institut de Recherche sur les Lois Fondamentales de l'UniversFR2.4k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT2.4k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2.3k papers
347 papers · 1 filter
Full-state information-disturbance tradeoff for direction estimation with antiparallel spin-coherent pairs
Massimiliano F. Sacchi
We determine the optimal information--disturbance tradeoff for estimating an unknown spatial direction encoded in two antiparallel spins. Rotational covariance reduces the optimiza…
Gigahertz-rate thin-film lithium niobate receiver for time-bin quantum communication
Andrea Bernardi, Marco Clementi, Marcello Bacchi +12
Time-bin encoded quantum states of light are crucial for quantum technology applications. The integration of manipulation functionalities into chip-scale devices is essential for d…
Maximum-precision charging of multi-qubit quantum batteries
Davide Rinaldi, Radim Filip, Dario Gerace +1
Precision, robustness, and efficiency are central requirements for quantum technologies. We show that genuine quantum features combined with non-Gaussianity enable the simultaneous…
Shake before use: universal enhancement of quantum thermometry by unitary driving
Emanuele Tumbiolo, Lorenzo Maccone, Chiara Macchiavello +2
Quantum thermometry aims at determining temperature with ultimate precision in the quantum regime. Standard equilibrium approaches, limited by the Quantum Fisher Information given…
Time-resolved certification of frequency-bin entanglement over multi-mode channels
Stéphane Vinet, Marco Clementi, Marcello Bacchi +7
Frequency-bin entangled photons can be efficiently produced on-chip which offers a scalable, robust and low-footprint platform for quantum communication, particularly well-suited f…
Quantum optical shallow networks
Simone Roncallo, Angela Rosy Morgillo, Seth Lloyd +2
Classical shallow networks are universal approximators. Given a sufficient number of neurons, they can reproduce any continuous function to arbitrary precision, with a resource cos…
Time correlations from steady-state expectation values
Wojciech Górecki, Simone Felicetti, Lorenzo Maccone +1
Recovering properties of correlation functions is typically challenging. On the one hand, experimentally, it requires measurements with a temporal resolution finer than the system'…
Roadmap on Quantum Thermodynamics
Steve Campbell, Irene D'Amico, Mario A. Ciampini +66
The last two decades has seen quantum thermodynamics become a well established field of research in its own right. In that time, it has demonstrated a remarkably broad applicabilit…
Learning Time-Varying Gaussian Quantum Lossy Channels
Angela Rosy Morgillo, Stefano Mancini, Massimiliano F. Sacchi +1
Time-varying quantum channels are essential for modeling realistic quantum systems with evolving noise properties. Here, we consider Gaussian lossy channels varying from one use to…
Entanglement and Optimal Timing in Discriminating Quantum Dynamical Processes
Massimiliano F. Sacchi
I investigate the problem of optimally discriminating between two open quantum dynamical processes in a single-shot scenario, with the goal of minimizing the error probability of i…
Bosonic two-stroke heat engines with polynomial nonlinear coupling
Giovanni Chesi, Chiara Macchiavello, Massimiliano Federico Sacchi
We study the thermodynamics of two-stroke heat engines where two bosonic modes and are coupled by the general nonlinear interaction $V_θ = \exp {(θa^{\dagger n}b^m -θ^* a^n…
Quantum frequency resampling
Emanuele Tumbiolo, Simone Roncallo, Chiara Macchiavello +1
In signal processing, resampling algorithms can modify the number of resources encoding a collection of data points. Downsampling reduces the cost of storage and communication, whi…
High-dimensional quantum key distribution with resource-efficient detection
Maciej Ogrodnik, Adam Widomski, Dagmar Bruß +7
While quantum key distribution (QKD) based on two-dimensional (qubit) encoding is a mature, field-tested technology, its performance is lacking for many cryptographic applications.…
Quantum-enhanced dark matter detection with in-cavity control: mitigating the Rayleigh curse
Haowei Shi, Anthony J. Brady, Wojciech Górecki +3
The nature of dark matter is a fundamental puzzle in modern physics. A major approach of searching for dark matter relies on detecting feeble noise in microwave cavities. However,…
Interplay between time and energy in bosonic noisy quantum metrology
Wojciech Górecki, Francesco Albarelli, Simone Felicetti +2
Quantum entanglement and coherence often allow for protocols that outperform classical ones in estimating a system's parameter. When using infinite-dimensional probes (such as a bo…
Artificially intelligent Maxwell's demon for optimal control of open quantum systems
Paolo Andrea Erdman, Robert Czupryniak, Bibek Bhandari +4
Feedback control of open quantum systems is of fundamental importance for practical applications in various contexts, ranging from quantum computation to quantum error correction a…
Classification of qubit cellular automata on hypercubic lattices
Andrea Pizzamiglio, Alessandro Bisio, Paolo Perinotti
We classify quantum cellular automata whose cells are qubits, on hypercubic lattices , with the von Neumann neighborhood scheme, in terms of realizability as finite-de…
Minimal operational theories: classical theories with quantum features
Davide Rolino, Marco Erba, Alessandro Tosini +1
We introduce a class of probabilistic theories, termed Minimal Strongly Causal Operational Probabilistic Theories, where system dynamics are constrained to the minimal set of opera…
Interferometric binary phase estimations
Simone Roncallo, Xi Lu, Lorenzo Maccone
We propose an interferometric scheme where each photon returns one bit of the binary expansion of an unknown phase. It sets up a method for estimating the phase value at arbitrary…
A perturbative approach to the solution of the Thirring quantum cellular automaton
Alessandro Bisio, Paolo Perinotti, Andrea Pizzamiglio +1
The Thirring Quantum Cellular Automaton (QCA) describes the discrete time dynamics of local fermionic modes that evolve according to one step of the Dirac cellular automaton follow…
Complementarity-based complementarity: the choice of mutually unbiased observables shapes quantum uncertainty relations
Laura Serino, Giovanni Chesi, Benjamin Brecht +3
Quantum uncertainty relations impose fundamental limits on the joint knowledge that can be acquired from complementary observables: perfect knowledge of a quantum state in one basi…
Detecting Markovianity of Quantum Processes via Recurrent Neural Networks
Angela Rosy Morgillo, Massimiliano F. Sacchi, Chiara Macchiavello
We present a novel methodology utilizing Recurrent Neural Networks (RNNs) to classify Markovian and non-Markovian quantum processes, leveraging time series data derived from Choi s…
Quantum optical classifier with superexponential speedup
Simone Roncallo, Angela Rosy Morgillo, Chiara Macchiavello +2
Classification is a central task in deep learning algorithms. Usually, images are first captured and then processed by a sequence of operations, of which the artificial neuron repr…
Universal time scalings of sensitivity in Markovian quantum metrology
Arpan Das, Wojciech Gorecki, Rafal Demkowicz-Dobrzanski
Assuming Markovian time evolution of a quantum sensing system, we study the general characterization of the optimal sensitivity scalings with time, under most general quantum contr…