Scientific Publications

1. A machine learning based approach to the identification of spectral densities in quantum open systems, Jessica Barr; Shreyasi Mukherjee; Alessandro Ferraro; Mauro Paternostro; Giorgio Zicari, The European Physical Journal Special Topics, 10.1140/epjs/s11734-025-01954-9
2. Bridging magic and non-Gaussian resources via Gottesman-Kitaev-Preskill encoding, Oliver Hahn, Giulia Ferrini, Ryuji Takagi, https://doi.org/10.48550/arXiv.2406.06418 
3. Classical simulation and quantum resource theory of non-Gaussian optics, Oliver Hahn, Ryuji Takagi, Giulia Ferrini, Hayata Yamasaki, Quantum, https://doi.org/10.48550/arXiv.2404.07115
4. Classical simulation of circuits with realistic Gottesman-Kitaev-Preskill states, Cameron Calcluth, Oliver Hahn, Juani Bermejo-Vega, Alessandro Ferraro, and Giulia Ferrini, Physical Review Letters, 10.1103/xmtw-g54f
5. Complexity of quantum tomography from genuine non-Gaussian entanglement, Xiaobin Zhao, Pengcheng Liao, Francesco Anna Mele, Ulysse Chabaud, Quntao Zhuang, Nature Communications 10.1038/s41467-025-67062-3
6. Detection of mode-intrinsic quantum entanglement, Carlos E. Lopetegui, Mathieu Isoard, Nicolas Treps, Mattia Walschaers, Optica Quantum, https://doi.org/10.48550/arXiv.2407.18095
7. Digital homodyne and heterodyne detection for stationary bosonic modes, Ingrid Strandberg, Axel M. Eriksson, Baptiste Royer, 2 Mikael Kervinen and Simone Gasparinetti, Physical Review Letters, 10.1103/PhysRevLett.133.063601
8. Effective descriptions of bosonic systems can be considered complete, Francesco Arzani, Robert I. Booth, Ulysse Chabaud, Nature Communications, 10.1038/s41467-025-64872-3
9. Enhanced Quantum Frequency Estimation by Nonlinear Scrambling ,Victor Montenegro; Sara Dornetti; Alessandro Ferraro; Matteo G. A. Paris, Physical Review Letters, 10.1103/39bt-37yl
10. Performance of rotation-symmetric bosonic codes in the presence of non-Markovian effects induced by random telegraph noise, Adithi Udupa, Timo Hillmann, Rabsan Galib Ahmed, Andrea Smirne, Giulia Ferrini, Physical Review Research, 10.1103/xfv4-8dq7
11. Phase-space negativity as a computational resource for quantum kernel methods, Ulysse Chabaud, Roohollah Ghobadi, Salman Beigi, Saleh Rahimi-Keshari, Quantum, 10.22331/q-2024-11-07-1519
12. Sufficient condition for universal quantum computation using bosonic circuits, Cameron Calcluth, Nicolas Reichel, Alessandro Ferraro, and Giulia Ferrini, PRX Quantum, https://doi.org/10.1103/PRXQuantum.5.020337 
13. Variational quantum simulation using non-Gaussian continuous-variable systems, Stornati, Paolo; Acin, Antonio; Chabaud, Ulysse; Dauphin, Alexandre; Parigi, Valentina; Centrone, Federico, 10.48550/arxiv.2310.15919

Pre-prints:

1. A unified framework for Bell inequalities from continuous-variable contextuality Carlos Ernesto Lopetegui-González, Gaël Massé, Enky Oudot, Uta Isabella Meyer, Federico Centrone, Frédéric Grosshans, Pierre-Emmanuel Emeriau, Ulysse Chabaud, Mattia Walschaers 10.48550/arXiv.2601.07686
2. An efficient quantum state verification framework and its application to bosonic systems Upreti, Varun; Chabaud, Ulysse 10.48550/arxiv.2411.04688
3. Assessing non-Gaussian quantum state conversion with the stellar rank Hahn, Oliver; Ferrini, Giulia; Ferraro, Alessandro; Chabaud, Ulysse 10.48550/arxiv.2410.23721
4. Automated, physics-guided, multi-parameter design optimization for superconducting quantum devices Axel M. Eriksson, Lukas J. Splitthoff, Harsh Vardhan Upadhyay, Pietro Campana, Niranjan Pittan Narendiran, Kunal Helambe, Linus Andersson, Simone Gasparinetti 10.48550/arXiv.2508.18027
5. Bounding the computational power of bosonic systems, Varun Upreti, Ulysse Chabaud, Physical Review Letters, 10.48550/arXiv.2503.03600
6. Can effective descriptions of bosonic systems be considered complete? Arzani, Francesco; Booth, Robert I.; Chabaud, Ulysse, 10.48550/arxiv.2501.13857
7. Characterising the sets of quantum states with non-negative Wigner function, Nicolas J. Cerf, Ulysse Chabaud, Jack Davis, Nuno C. Dias, João N. Prata, Zacharie Van Herstraeten, 10.48550/arXiv.2512.14820
8. Detecting quantum non-Gaussianity with a single quadrature, Clara Wassner, Jack Davis, Sacha Cerf, Ulysse Chabaud, Francesco Arzani, 10.48550/arXiv.2507.23005
9. Energy, Bosons and Computational Complexity, Ulysse Chabaud, Sevag Gharibian, Saeed Mehraban, Arsalan Motamedi, Hamid Reza Naeij, Dorian Rudolph, Dhruva Sambrani, 10.48550/arXiv.2510.08545
10. Equivalence of continuous- and discrete-variable gate-based quantum computers with finite energy Alex Maltesson, Ludvig Rodung, Niklas Budinger, Giulia Ferrini, Cameron Calcluth 10.48550/arXiv.2510.08546
11. Extreme non-negative Wigner functions, Zacharie Van Herstraeten, Jack Davis, Nuno C. Dias, João N. Prata, Nicolas J. Cerf, Ulysse Chabaud, 10.48550/arXiv.2512.14831
12. Identifying quantum resources in encoded computations, Jack Davis, Nicolas Fabre, Ulysse Chabaud, https://doi.org/10.48550/arXiv.2407.18394 
13. Inverse problems for the zeros of the Wigner function, Luís Daniel Abreu, Ulysse Chabaud, Nuno Costa Dias, João Nuno Prata, 10.48550/arXiv.2504.20324
14. Lecture notes on quantum computing Kockum, Anton Frisk; Soro, Ariadna; García-Álvarez, Laura; Vikstål, Pontus; Douce, Tom; Johansson, Göran; Ferrini, Giulia, 10.48550/arxiv.2311.08445
15. Lower Bounds on Coherent State Rank Florian Cottier, Ulysse Chabaud 10.48550/arXiv.2604.00766
16. Majorization theory for quasiprobabilities, Twesh Upadhyaya, Zacharie Van Herstraeten, Jack Davis, Oliver Hahn, Nikolaos Koukoulekidis, Ulysse Chabaud, 10.48550/arXiv.2507.22986
17. Multimode rotationally symmetric bosonic codes from group-theoretic construction, Rabsan Galib Ahmed, Adithi Udupa, Giulia Ferrini, 10.48550/arXiv.2508.20647
18. Native linear-optical protocol for efficient multivariate trace estimation Leonardo Novo, Marco Robbio, Ernesto F. Galvão, Nicolas J. Cerf 10.48550/arXiv.2601.14204
19. On the complex zeros of the wavefunction Sacha Cerf, Clara Wassner, Jack Davis, Francesco Arzani, Ulysse Chabaud 10.48550/arXiv.2507.23468
20. Resourcefulness of non-classical continuous-variable quantum gates Frigerio, Massimo; Debray, Antoine; Treps, Nicolas; Walschaers, Mattia 10.48550/arxiv.2410.09226
21. Symplectic coherence: a measure of position-momentum correlations in quantum states Varun Upreti, Ulysse Chabaud 10.48550/arXiv.2507.15738
22. The symplectic rank of non-Gaussian quantum states, Francesco Anna Mele, Salvatore Francesco Emanuele Oliviero, Varun Upreti, Ulysse Chabaud, Nature Physics, 10.48550/arXiv.2504.19319
23. Towards fault-tolerant quantum computation with universal continuous-variable gates Sheron Blair, Francesco Arzani, Giulia Ferrini, Alessandro Ferraro 10.48550/arXiv.2506.13643
24. Tunable passive squeezing of squeezed light through unbalanced double homodyne detection Niels Tripier-Mondancin, David Barral, Ganaël Roeland, Raúl Leonardo Rincon Celis, Yann Bouchereau, Nicolas Treps 10.48550/arXiv.2512.08540
25. When quantum resources backfire: Non-gaussianity and symplectic coherence in noisy bosonic circuits Varun Upreti, Ulysse Chabaud, Zoë Holmes, Armando Angrisani 10.48550/arXiv.2510.07264