595 citations · 7.2k across the 71 of their papers we have counts for
75 papers
Tailoring the birefringence of femtosecond-laser-written multi-scan waveguides in glass
Roberto Memeo, Davide Piras, Roberto Osellame +1
Femtosecond-laser direct waveguide writing is progressively emerging as an alternative to conventional techniques to develop complex photonic devices, for applications ranging from…
High-fidelity and polarization insensitive universal photonic processors fabricated by femtosecond laser writing
Ciro Pentangelo, Niki Di Giano, Simone Piacentini +4
Universal photonic processors (UPPs) are fully programmable photonic integrated circuits that are key components in quantum photonics. With this work, we present a novel platform f…
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…
Toward Higher Integration Density in Femtosecond-Laser-Written Programmable Photonic Circuits
Riccardo Albiero, Ciro Pentangelo, Marco Gardina +3
Programmability in femtosecond-laser-written integrated circuits is commonly achieved with the implementation of thermal phase shifters. Recent work has shown how such phase shifte…
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…
Superscreening and polarization control in confined ferroelectric nematic liquids
Federico Caimi, Giovanni Nava, Susanna Fuschetto +7
The combination of large spontaneous polarization and fluidity makes the newly discovered ferroelectric nematic liquid crystalline phase (NF) responsive to electric fields in ways…
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…
Efficient Coherent XUV Generation and Manipulation in Microfluidic Glass Devices
Anna Gabriella Ciriolo, Rebeca Martínez Vázquez, Gabriele Crippa +12
The development of compact and bright XUV and soft X-ray sources based on high-order harmonic generation is boosting advances towards understanding the behavior of matter with extr…
Laser-written vapor cells for chip-scale atomic sensing and spectroscopy
Vito Giovanni Lucivero, Andrea Zanoni, Giacomo Corrielli +2
We report the fabrication of alkali-metal vapor cells using femtosecond laser machining. This laser-written vapor-cell (LWVC) technology allows arbitrarily-shaped 3D interior volum…
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…
Recent advances and future perspectives of single-photon avalanche diodes for quantum photonics applications
Francesco Ceccarelli, Giulia Acconcia, Angelo Gulinatti +3
Photonic quantum technologies promise a revolution of the world of information processing, from simulation and computing to communication and sensing, thanks to the many advantages…
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…
Thermal phase shifters for femtosecond laser written photonic integrated circuits
Francesco Ceccarelli, Simone Atzeni, Alessandro Prencipe +2
Photonic integrated circuits (PICs) are today acknowledged as an effective solution to fulfill the demanding requirements of many practical applications in both classical and quant…
Space qualification of ultrafast laser written integrated waveguide optics
Simone Piacentini, Tobias Vogl, Giacomo Corrielli +2
Satellite-based quantum technologies represent a possible route for extending the achievable range of quantum communication, allowing the construction of worldwide quantum networks…
Quantum micro-nano devices fabricated in diamond by femtosecond laser and ion irradiation
Shane M. Eaton, J. P. Hadden, Vibhav Bharadwaj +12
Diamond has attracted great interest as a quantum technology platform thanks to its optically active nitrogen vacancy center (NV). The NV's ground state spin can be read out optica…