89 citations · 418 across the 28 of their papers we have counts for
27 papers · 1 filter
Certification of Network Quantum Sensing
Matteo Rosati, Gabriele Bizzarri, Marco Barbieri
The distribution of quantum sensors on quantum networks is a key enabler of quantum technologies in interferometry, gravimetry, timekeeping, biological monitoring, and beyond. Yet,…
Private Remote Phase Estimation over a Lossy Quantum Channel
Farzad Kianvash, Marco Barbieri, Matteo Rosati
Private remote quantum sensing (PRQS) aims at estimating a parameter at a distant location by transmitting quantum states on an insecure quantum channel, limiting information leaka…
Photon-starved polarimetry via functional classical shadows
Matteo Rosati, Miranda Parisi, Linda Sansoni +3
Polarimetry and optical imaging techniques face challenges in photon-starved scenarios, where the low number of detected photons imposes a trade-off between image resolution, integ…
Faithful and secure distributed quantum sensing under general-coherent attacks
G. Bizzarri, M. Barbieri, M. Manrique +4
Quantum metrology and cryptography can be combined in a distributed and/or remote sensing setting, where distant end-users with limited quantum capabilities can employ quantum stat…
Controlling Sloppiness in Two-Phase Estimation with a Tunable Weak Measurement
Gabriele Bizzarri, Miranda Parisi, Mylenne Manrique +6
The description of complex systems requires a progressively larger number of parameters. However, in practice, it often happens that a small subset of parameters suffices to descri…
Probabilistic pulse-position modulation for classical communication on quantum channels
Farzad Kianvash, Matteo Rosati
Classical communication over lossy quantum channels is an essential topic in quantum information theory, with practical implications for optical-fiber and free-space communications…
Honest-binding quantum bit commitment from separable operations
Ziad Chaoui, Anna Pappa, Matteo Rosati
Bit commitment is a fundamental cryptographic primitive and a cornerstone for numerous two-party cryptographic protocols, including zero-knowledge proofs. However, it has been prov…
Private Communication over a Bosonic Compound Channel
Florian Seitz, Matteo Rosati, Ángeles Vázquez-Castro +1
It is a common belief that quantum key distribution systems are the one and only information-theoretically secure physical layer security protocol that enables secure data transmis…
Optical decoder learning for fiber communication at the quantum limit
Matteo Rosati, Albert Solana
Quantum information theory predicts that communication technology can be enhanced by using quantum signals to transfer classical bits. In order to fulfill this promise, the message…
Learning quantum processes without input control
Marco Fanizza, Yihui Quek, Matteo Rosati
We introduce a general statistical learning theory for processes that take as input a classical random variable and output a quantum state. Our setting is motivated by the practica…
A learning theory for quantum photonic processors and beyond
Matteo Rosati
We consider the tasks of learning quantum states, measurements and channels generated by continuous-variable (CV) quantum circuits. This family of circuits is suited to describe op…
Performance of Coherent Frequency-Shift Keying for Classical Communication \\ on Quantum Channels
Matteo Rosati
We evaluate the performance of coherent frequency-shift keying (CFSK) alphabets for communication on quantum channels. We show that, contrarily to what previously thought, the squa…
Reinforcement-learning calibration of coherent-state receivers on variable-loss optical channels
Matias Bilkis, Matteo Rosati, John Calsamiglia
We study the problem of calibrating a quantum receiver for optical coherent states when transmitted on a quantum optical channel with variable transmissivity, a common model for lo…
Operating Fiber Networks in the Quantum Limit
Janis Nötzel, Matteo Rosati
We consider all-optical network evolution from a quantum perspective. We show that a use of optimal quantum receivers allows an estimated decrease in energy consumption of a…
Squeezing-enhanced communication without a phase reference
Marco Fanizza, Matteo Rosati, Michalis Skotiniotis +2
We study the problem of transmitting classical information using quantum Gaussian states on a family of phase-noise channels with a finite decoherence time, such that the phase-ref…
Real-time calibration of coherent-state receivers: learning by trial and error
M. Bilkis, M. Rosati, R. Morral Yepes +1
The optimal discrimination of coherent states of light with current technology is a key problem in classical and quantum communication, whose solution would enable the realization…
Accessible coherence in open quantum system dynamics
María García Díaz, Benjamin Desef, Matteo Rosati +5
Quantum coherence generated in a physical process can only be cast as a potentially useful resource if its effects can be detected at a later time. Recently, the notion of non-cohe…
Beyond the swap test: optimal estimation of quantum state overlap
Marco Fanizza, Matteo Rosati, Michalis Skotiniotis +2
We study the estimation of the overlap between two unknown pure quantum states of a finite dimensional system, given and copies of each type. This is a fundamental primitiv…
Using and reusing coherence to realize quantum processes
María García Díaz, Kun Fang, Xin Wang +4
Coherent superposition is a key feature of quantum mechanics that underlies the advantage of quantum technologies over their classical counterparts. Recently, coherence has been re…
Asymmetric information capacities of reciprocal pairs of quantum channels
Matteo Rosati, Vittorio Giovannetti
Reciprocal pairs of quantum channels are defined as completely positive transformations which admit a rigid, distance-preserving, yet not completely-positive transformation that al…
Narrow Bounds for the Quantum Capacity of Thermal Attenuators
Matteo Rosati, Andrea Mari, Vittorio Giovannetti
Thermal attenuator channels model the decoherence of quantum systems interacting with a thermal bath, e.g., a two-level system subject to thermal noise and an electromagnetic signa…
Decoding Protocols for Classical Communication on Quantum Channels
Matteo Rosati
We study the problem of decoding classical information encoded on quantum states at the output of a quantum channel, with particular focus on increasing the communication rates tow…
The capacity of coherent-state adaptive decoders with interferometry and single-mode detectors
Matteo Rosati, Andrea Mari, Vittorio Giovannetti
A class of Adaptive Decoders (AD's) for coherent-state sequences is studied, including in particular the most common technology for optical-signal processing, e.g., interferometers…
Optimal quantum state discrimination via nested binary measurements
Matteo Rosati, Giacomo De Palma, Andrea Mari +1
A method to compute the optimal success probability of discrimination of N arbitrary quantum states is presented, based on the decomposition of any N-outcome measurement into seque…