595 citations · 7.2k across the 71 of their papers we have counts for
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Variational quantum algorithm for experimental photonic multiparameter estimation
Valeria Cimini, Mauro Valeri, Simone Piacentini +5
Variational quantum metrology represents a powerful tool for optimizing generic estimation strategies, combining the principles of variational optimization with the techniques of q…
Characterization of multi-mode linear optical networks
Francesco Hoch, Taira Giordani, Nicolò Spagnolo +3
Multi-mode optical interferometers represent the most viable platforms for the successful implementation of several quantum information schemes that take advantage of optical proce…
Experimental investigation of Bayesian bounds in multiparameter estimation
Simone E. D'Aurelio, Mauro Valeri, Emanuele Polino +8
Quantum parameter estimation offers solid conceptual grounds for the design of sensors enjoying quantum advantage. This is realised not only by means of hardware supporting and exp…
High-fidelity generation of four-photon GHZ states on-chip
Mathias Pont, Giacomo Corrielli, Andreas Fyrillas +17
Mutually entangled multi-photon states are at the heart of all-optical quantum technologies. While impressive progresses have been reported in the generation of such quantum light…
High-speed integrated QKD system
Rebecka Sax, Alberto Boaron, Gianluca Boso +10
Quantum key distribution (QKD) is nowadays a well established method for generating secret keys at a distance in an information-theoretic secure way, as the secrecy of QKD relies o…
Deep reinforcement learning for quantum multiparameter estimation
Valeria Cimini, Mauro Valeri, Emanuele Polino +6
Estimation of physical quantities is at the core of most scientific research and the use of quantum devices promises to enhance its performances. In real scenarios, it is fundament…
Experimental multiparameter quantum metrology in adaptive regime
Mauro Valeri, Valeria Cimini, Simone Piacentini +8
Relevant metrological scenarios involve the simultaneous estimation of multiple parameters. The fundamental ingredient to achieve quantum-enhanced performances is based on the use…
Quantifying n-photon indistinguishability with a cyclic integrated interferometer
Mathias Pont, Riccardo Albiero, Sarah E. Thomas +14
We report on a universal method to measure the genuine indistinguishability of n-photons - a crucial parameter that determines the accuracy of optical quantum computing. Our approa…
Storage and analysis of light-matter entanglement in a fibre-integrated system
Jelena V. Rakonjac, Giacomo Corrielli, Dario Lago-Rivera +5
The deployment of a fully-fledged quantum internet poses the challenge of finding adequate building-blocks for entanglement distribution between remote quantum nodes. An ideal syst…
Femtosecond laser micromachining for integrated quantum photonics
Giacomo Corrielli, Andrea Crespi, Roberto Osellame
Integrated quantum photonics, i.e. the generation, manipulation and detection of quantum states of light in integrated photonic chips, is revolutionizing the field of quantum infor…
Reconfigurable continuously-coupled 3D photonic circuit for Boson Sampling experiments
Francesco Hoch, Simone Piacentini, Taira Giordani +10
Boson Sampling is a computational paradigm representing one of the most viable and pursued approaches to demonstrate the regime of quantum advantage. Recent results have demonstrat…
Experimental quantum memristor
Michele Spagnolo, Joshua Morris, Simone Piacentini +6
Quantum computer technology harnesses the features of quantum physics for revolutionizing information processing and computing. As such, quantum computers use physical quantum gate…
Experimental statistical signature of many-body quantum interference
Taira Giordani, Fulvio Flamini, Matteo Pompili +8
Multi-particle interference is an essential ingredient for fundamental quantum mechanics phenomena and for quantum information processing to provide a computational advantage, as r…
Robust calibration of multiparameter sensors via machine learning at the single-photon level
Valeria Cimini, Emanuele Polino, Mauro Valeri +7
Calibration of sensors is a fundamental step to validate their operation. This can be a demanding task, as it relies on acquiring a detailed modelling of the device, aggravated by…
Experimental adaptive Bayesian estimation of multiple phases with limited data
Mauro Valeri, Emanuele Polino, Davide Poderini +6
Achieving ultimate bounds in estimation processes is the main objective of quantum metrology. In this context, several problems require measurement of multiple parameters by employ…
Experimental multiphase estimation on a chip
Emanuele Polino, Martina Riva, Mauro Valeri +6
Multiparameter estimation is a general problem that aims at measuring unknown physical quantities, obtaining high precision in the process. In this context, the adoption of quantum…
Quantum interference of topological states of light
Jean-Luc Tambasco, Giacomo Corrielli, Robert J. Chapman +4
Topological insulators are materials that have a gapped bulk energy spectrum, but contain protected in-gap states appearing at their surface. These states exhibit remarkable proper…
Experimental investigation of quantum decay at short, intermediate and long times via integrated photonics
Andrea Crespi, Francesco V. Pepe, Paolo Facchi +5
The decay of an unstable system is usually described by an exponential law. Quantum mechanics predicts strong deviations of the survival probability from the exponential: indeed, t…
Quantum Storage of Frequency-Multiplexed Heralded Single Photons
Alessandro Seri, Dario Lago-Rivera, Andreas Lenhard +4
We report on the quantum storage of a heralded frequency-multiplexed single photon in an integrated laser-written rare-earth doped waveguide. The single photon contains 15 discrete…
Experimental Quantum Homomorphic Encryption
Jonas Zeuner, Ioannis Pitsios, Si-Hui Tan +4
Quantum computers promise not only to outperform classical machines for certain important tasks, but also to preserve privacy of computation. For example, the blind quantum computi…
Pattern recognition techniques for Boson Sampling validation
Iris Agresti, Niko Viggianiello, Fulvio Flamini +5
The difficulty of validating large-scale quantum devices, such as Boson Samplers, poses a major challenge for any research program that aims to show quantum advantages over classic…
Integrated sources of entangled photons at telecom wavelength in femtosecond-laser-written circuits
Simone Atzeni, Adil S. Rab, Giacomo Corrielli +7
Photon entanglement is an important state of light that is at the basis of many protocols in photonic quantum technologies, from quantum computing, to simulation and sensing. The c…
Detection of squeezing by on-chip glass-integrated homodyne analyzer
Carmen Porto, Davide Rusca, Simone Cialdi +5
We design and demonstrate on-chip homodyne detection operating in the quantum regime, i.e. able to detect genuine nonclassical features. Our setup exploits a glass-integrated homod…
Optimal photonic indistinguishability tests in multimode networks
Niko Viggianiello, Fulvio Flamini, Marco Bentivegna +6
Particle indistinguishability is at the heart of quantum statistics that regulates fundamental phenomena such as the electronic band structure of solids, Bose-Einstein condensation…