PHOTONICS QUANTUM SAMPLING MACHINE

Livrables

Efficient calibration toolbox for complex reconfigurable interferometers

Calibration of complex reconfigurable circuits represents a progressively demanding task when the size of system increases given the large number of integrated components Different techniques for the characterization of large size integrated systems will be developed and tested in order to provide an efficient toolbox to calibrate and program the operation of the reconfigurable interferometers

Robustness and tolerance to fabrication errors

The sampling protocols we will be implementing will be realized on the noisy intermediate scale NISQ devices we will build Theoretical support for these applications will be provided by simulations and analytical studies to characterize the noise tolerances that are required for different applications The errors arise from photon loss limited fabrication accuracy and limited photon indistinguishability so we will need to investigate how these different sources of error impact the sampling tasks

Architecture for femtosecond laser-written platform

Report on the definition of the most appropriate architecture for integrated circuits based on the laserwriting technology for manipulation of multiphoton states Peculiar properties of the fabrication technique such as polarization control and threedimensional capabilities will be included in the analysis

Classification of sampling tasks with identification of estimators

Report on the classification of variations of sampling tasks achievable with linear optics and equivalences between them These include Boson Sampling BS Scattershot BS Driven BS Gaussian BS nonlocal BS New schemes will also be described such as sampling with inputs consisting of photon number superpositions We will characterize the enhancement provided by nonlinearities at the fewphoton level via the postselection overhead induced by a linearoptical simulation of the nonlinear process

Development and classification of HQC based on non-adaptive linear optics

Report mapping the requirements for initial proof of principle demonstrations of hybrid quantum computation HPC applications suitable for nonadaptive photonic quantum sampling machines Monte Carlo integration MaxHaf approximate optimization identification of dense subgraphs Classification of tasks with the resources necessary for proofofprinciple demonstrations amount and accuracy of squeezing parameter in inputs complexity of the linear interferometer design postselection overhead number of different devices required alternatively the desired level of parameter tunability

Architecture for silicon nitride platform

Report on the definition of the most appropriate architecture for integrated circuits based on the silicon nitride platform for manipulation of multiphoton states Peculiar properties of the fabrication technique which enables circuits with a large number of integrated passive and active elements will be included in the analysis

Set of stringent validation tests for genuine multiphoton interference

Set of stringent validation tests for genuine multiphoton interference Provide algorithms which determine whether multiphoton interference takes place in the interferometer based on the measured output statistics Losses and imperfection due to fabrication errors will be included in the analysis

Data Management Plan

A structured Data Management Plan will be prepared and will include the best standards for the generated data and assess their suitability for sharing and reuse in accordance with official guidelines

Public website

A dedicated website will be developed both as a mean of public dissemination of the project results to the scientific community the potential investors as well as to the general public It will include public pages with information on the project and its results sections dedicated to It will be regularly updated with project results publications outreach activities deliverables etc

Publications

Calibration of Multiparameter Sensors via Machine Learning at the Single-Photon Level

Auteurs: Valeria Cimini, Emanuele Polino, Mauro Valeri, Ilaria Gianani, Nicolò Spagnolo, Giacomo Corrielli, Andrea Crespi, Roberto Osellame, Marco Barbieri, Fabio Sciarrino
Publié dans: Physical Review Applied, Numéro 15/4, 2021, Page(s) 044003, ISSN 2331-7019
Éditeur: American Physical Society
DOI: 10.1103/physrevapplied.15.044003

Characterization of multimode linear optical network

Auteurs: F. Hoch, T. Giordani, N. Spagnolo, A. Crespi, R. Osellame, F. Sciarrino
Publié dans: Advanced Photonics Nexus, Numéro 2, 016007, 2023, ISSN 2791-1519
Éditeur: SPIE Digital Library
DOI: 10.1117/1.apn.2.1.016007

Spin-orbit maximally discordant mixed states

Auteurs: D. G. Braga; I. Fonseca; W. F. Balthazar; M. S. Sarandy; J. A. O. Huguenin
Publié dans: Phys. Rev. A, Numéro 106, 062403, 2022, ISSN 2469-9934
Éditeur: American Physical Society
DOI: 10.48550/arxiv.2212.03579

Quantum circuit compilation and hybrid computation using Pauli-based computation

Auteurs: F. C. R. Peres, E. F. Galvão
Publié dans: Quantum, Numéro 7, 1126, 2023, ISSN 2521-327X
Éditeur: Quantum the open journal for quantum science
DOI: 10.22331/q-2023-10-03-1126

Non-linear Boson Sampling

Auteurs: N. Spagnolo, D. J. Brod, E. F. Galvão, F. Sciarrino
Publié dans: npj Quantum Inf, Numéro 9, 3, 2023, ISSN 2056-6387
Éditeur: Springer Nature Limited
DOI: 10.1038/s41534-023-00676-x

Bright Polarized Single-Photon Source Based on a Linear Dipole

Auteurs: S. E. Thomas, M. Billard, N. Coste, S. C. Wein, Priya, H. Ollivier, O. Krebs, L. Tazaïrt, A. Harouri, A. Lemaitre, I. Sagnes, C. Anton, L. Lanco, N. Somaschi, J. C. Loredo, P. Senellart
Publié dans: Physical Review Letters, Numéro 126/23, 2021, Page(s) 233601, ISSN 0031-9007
Éditeur: American Physical Society
DOI: 10.1103/physrevlett.126.233601

Micro-opto-mechanical glass interferometer for megahertz modulation of optical signals

Auteurs: R. Memeo, A. Crespi, and R. Osellame.
Publié dans: Optica, Numéro 11, 2024, Page(s) 178-183, ISSN 2334-2536
Éditeur: Optica Publishing Group
DOI: 10.1364/optica.506669

Experimental multiparameter quantum metrology in adaptive regime

Auteurs: M. Valeri, V. Cimini, S. Piacentini, F. Ceccarelli, E. Polino, F. Hoch, G. Bizzarri, G. Corrielli, N. Spagnolo, R. Osellame, F. Sciarrino
Publié dans: Physical Review Research, Numéro 5, 013138, 2023, ISSN 2643-1564
Éditeur: American Physical Society
DOI: 10.1103/physrevresearch.5.013138

Experimental investigation of Bayesian bounds in multiparameter estimation

Auteurs: S. E. D’Aurelio, M. Valeri, E. Polino, V. Cimini, M. Barbieri, G. Corrielli, A. Crespi, R. Osellame, F. Sciarrino, N. Spagnolo
Publié dans: Quantum Science and Technology, Numéro 7, 025011, 2022, ISSN 2058-9565
Éditeur: IOP Publishing
DOI: 10.1088/2058-9565/ac5124

Reconfigurable continuously-coupled 3D photonic circuit for Boson Sampling experiments

Auteurs: F. Hoch, S. Piacentini, T. Giordani, Z.N. Tian, M. Iuliano, C. Esposito, A. Camillini, G. Carvacho, F. Ceccarelli, N. Spagnolo, A. Crespi, F. Sciarrino, R. Osellame
Publié dans: npj Quantum Information, Numéro 8, 5, 2022, ISSN 2056-6387
Éditeur: Springer Nature Limited
DOI: 10.1038/s41534-022-00568-6

Three-Dimensional Electrical Control of the Excitonic Fine Structure for a Quantum Dot in a Cavity

Auteurs: H. Ollivier, P. Priya, A. Harouri, I. Sagnes, A. Lemaître, O. Krebs, L. Lanco, N. D. Lanzillotti-Kimura, M. Esmann, and P. Senellart
Publié dans: Phys. Rev. Lett., Numéro 129, 057401, 2022, ISSN 1079-7114
Éditeur: American Physical Society
DOI: 10.1103/physrevlett.129.057401

Low-power programmable integrated photonic circuits fabricated by femtosecond laser micromachining

Auteurs: C. Pentangelo, F. Ceccarelli, S. Piacentini, S. Atzeni, A. Crespi, R. Osellame
Publié dans: Il Nuovo Cimento, Numéro 6, 2022, ISSN 1826-9885
Éditeur: SIF, Bologna
DOI: 10.1393/ncc/i2022-22209-2

Quantifying n-Photon Indistinguishability with a Cyclic Integrated Interferometer

Auteurs: M. Pont, R. Albiero, S. E. Thomas, N. Spagnolo, F. Ceccarelli, G. Corrielli, A. Brieussel, N. Somaschi, H. Huet, A. Harouri, A. Lemaître, I. Sagnes, N. Belabas, F. Sciarrino, R. Osellame, P. Senellart, A. Crespi
Publié dans: Phys. Rev. X, Numéro 12, 031033, 2022, ISSN 2160-3308
Éditeur: American Physical Society
DOI: 10.1103/physrevx.12.031033

Toward higher integration density in femtosecond-laser-written programmable photonic circuits

Auteurs: R. Albiero, C. Pentangelo, M. Gardina, S. Atzeni, F. Ceccarelli, R. Osellame
Publié dans: Micromachines, Numéro 13(7), 1145, 2022, ISSN 2072-666X
Éditeur: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/mi13071145

Progress toward practical quantum cryptanalysis by variational quantum cloning

Auteurs: Brian Coyle; Mina Doosti; Elham Kashefi; Niraj Kumar
Publié dans: Phys. Rev. A, Numéro 105, 042604, 2022, ISSN 2469-9934
Éditeur: American Physical Society
DOI: 10.48550/arxiv.2012.11424

Universal photonic processors fabricated by femtosecond laser writing

Auteurs: C. Pentangelo, F. Ceccarelli, S. Piacentini, R. Albiero, E. Urbinati, N. Di Giano, S. Atzeni, A. Crespi, and R. Osellame
Publié dans: Proceedings Volume 12004, Integrated Optics: Devices, Materials, and Technologies XXVI, Numéro 120040B, 2022
Éditeur: SPIE.
DOI: 10.1117/12.2608132

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