Publications
Below you will find an overview of CLUSTEC’s dissemination activities, covering scientific publication, press releases, media appearances and featured talks.
Scientific Publications
2025
- 
Moore, D. W., & Filip, R. (2025). Nonlinear phase gates as Airy transforms of the Wigner function. npj Quantum Information, 11(1), 159. DOI: 10.1038/s41534-025-01006-z 
- 
Pereira, J. L., Zhuang, Q., & Banchi, L. (2025). Out-of-Distribution Generalization for Learning Quantum Channels with Low-Energy Coherent States. PRX Quantum, 6(4), 040306. DOI: 10.1103/5m7p-kbf3 
- 
Jin, Y. D., Zhang, S. Y., Andersen, U. L., & Ma, W. L. (2025). General Approach to Error Detection of Bosonic Codes via Phase Estimation. Physical Review Letters, 135(14), 140603. DOI: 10.1103/h6rv-hz81 
- 
Liu, Z. H., Brunel, R., Østergaard, E. E., Cordero, O., Chen, S., Wong, Y., Nielsen, J. A. H., Bregnsbo, A. B., Zhou, S., Huang, H.-Y., Oh, C., Jiang, L., Preskill, J., Neergaard-Nielsen, J. S., & Andersen, U. L. (2025). Quantum learning advantage on a scalable photonic platform. Science, 389(6767), 1332-1335. DOI: 10.1126/science.adv2560 
- 
Jaha, R., Graham-Scott, C. A., Abazi, A. S., Pernice, W., Schuck, C., & Ferrari, S. (2025). Kinetic inductance and jitter dependence of intrinsic photon-number resolution in superconducting nanowire single-photon detectors. Optics Express, 33(20), 41869-41880. DOI: 10.1364/OE.564311 
- 
Teja, G. P., Kumar, C., Lachman, L., & Filip, R. (2025). Quantum non-Gaussian high Fock states of light pulses and their superpositions. Physical Review Research, 7(3), 033272. DOI: 10.1103/qyfz-zw2x 
- 
Bräuer, Š., Opatrný, T., & Marek, P. (2025). Generalized squeezing as a witness of various quantum properties. Physical Review Research, 7(3), 033176. DOI: 10.1103/9cxn-t1vf 
- 
Adhikary, K., Moore, D. W., & Filip, R. (2025). Coherence of quantum non-Gaussian states via nonlinear absorption of quanta. Quantum Science and Technology, 10(3), 035048. DOI: 10.1088/2058-9565/ade334 
- 
Lachman, L., Asenbeck, B. E., Boyer, A., Giri, P., Urvoy, A., Laurat, J., & Filip, R. (2025). Hierarchies of quantum non-Gaussian coherences for bosonic systems: A theoretical study. Physical Review A, 111(6), 063704. DOI: 10.1103/t5c6-byhh 
- 
Lohmann, P., Wendland, D., Lenzini, F., & Pernice, W. H. (2025). High system efficiency nonlinear frequency conversion on thin-film lithium niobate. Optics Letters, 50(12), 3844-3847. DOI: 10.1364/OL.561750 
- 
Kala, V., Kopylov, D., Marek, P., & Sharapova, P. (2025). Nonlinear squeezing generation via multimode PDC and single photon measurement. Optics Express, 33(6), 14000-14011. DOI: 10.1364/OE.550358 
- 
Descamps, É., & Markham, D. (2025). Noisy certification of continuous variables graph states. Physical Review A, 111(2), 022413. DOI: 10.1103/PhysRevA.111.022413 
2024
- 
Stránský, P., Cejnar, P., & Filip, R. (2024). Unitary collapse of Schrödinger’s cat state. Physical Review A, 110(3), L030202. DOI: 10.22331/q-2024-12-17-1566 
- 
Kolář, M., & Filip, R. (2024). Negative Wigner function by decaying interaction from equilibrium. Quantum, 8, 1566. DOI: 10.22331/q-2024-12-17-1566 
- 
Hanamura, F., Asavanant, W., Nagayoshi, H., Sakaguchi, A., Ide, R., Fukui, K., … & Furusawa, A. (2024). Implementing arbitrary multi-mode continuous-variable quantum gates with fixed non-Gaussian states and adaptive linear optics. Physical Review A, 110(2), 022614. DOI: 10.1103/PhysRevA.110.022614 
- 
Budinger, N., Furusawa, A., & van Loock, P. (2024). All-optical quantum computing using cubic phase gates. Physical Review Research, 6(2), 023332. DOI: 10.1103/PhysRevResearch.6.023332 
- 
Konno, S., Asavanant, W., Hanamura, F., Nagayoshi, H., Fukui, K., Sakaguchi, A., … & Furusawa, A. (2024). Logical states for fault-tolerant quantum computation with propagating light. Science, 383(6680), 289-293. DOI: 10.1126/science.adk7560 
- 
Lomonte, E., Stappers, M., Krämer, L., Pernice, W. H., & Lenzini, F. (2024). Scalable and efficient grating couplers on low-index photonic platforms enabled by cryogenic deep silicon etching. Scientific Reports, 14(1), 4256. DOI: 10.1038/s41598-024-53975-4 
- 
Park, K., Marek, P., & Filip, R. (2024). Efficient quantum simulation of nonlinear interactions using SNAP and Rabi gates. Quantum Science and Technology, 9(2), 025004. DOI: 10.1088/2058-9565/ad1f3b 
- 
Li, P. Z., Dias, J., Munro, W. J., van Loock, P., Nemoto, K., & Lo Piparo, N. (2024). Performance of Rotation‐Symmetric Bosonic Codes in a Quantum Repeater Network. Advanced Quantum Technologies, 2300252. DOI: 10.1002/qute.202300252 
- 
Marek, P. (2024). Ground state nature and nonlinear squeezing of Gottesman-Kitaev-Preskill states. Physical Review Letters, 132(21), 210601. DOI: 10.1103/PhysRevLett.132.210601 
- 
Deside, S., Arnhem, M., Griffet, C., & Cerf, N. J. (2024). Probabilistic pure state conversion on the majorization lattice. Physical Review Research, 6(2), 023156. DOI: 10.1103/PhysRevResearch.6.023156 
2023
- 
Sund, P. I., Lomonte, E., Paesani, S., Wang, Y., Carolan, J., Bart, N., … & Lenzini, F. (2023). High-speed thin-film lithium niobate quantum processor driven by a solid-state quantum emitter. Science Advances, 9(19), eadg7268. DOI: 10.1126/sciadv.adg7268 
- 
Endo, M., He, R., Sonoyama, T., Takahashi, K., Kashiwazaki, T., Umeki, T., … & Furusawa, A. (2023). Non-Gaussian quantum state generation by multi-photon subtraction at the telecommunication wavelength. Optics Express, 31(8), 12865-12879. DOI: 10.1364/OE.486270 
- 
Sakaguchi, A., Konno, S., Hanamura, F., Asavanant, W., Takase, K., Ogawa, H., … & Furusawa, A. (2023). Nonlinear feedforward enabling quantum computation. Nature Communications, 14(1), 3817. DOI: 10.1038/s41467-023-39195-w 
- 
Griffet, C., Arnhem, M., De Bièvre, S., & Cerf, N. J. (2023). Interferometric measurement of the quadrature coherence scale using two replicas of a quantum optical state. Physical Review A, 108(2), 023730. DOI: 10.1103/PhysRevA.108.023730 
- 
Centrone, F., Grosshans, F., & Parigi, V. (2023). Cost and routing of continuous-variable quantum networks. Physical Review A, 108(4), 042615. DOI: 10.1103/PhysRevA.108.042615 
- 
Bente, I., Brückerhoff-Plückelmann, F., Bankwitz, J. R., Wendland, D., Lomonte, E., Lenzini, F., … & Pernice, W. H. (2023). Integrated optical pattern generation on thin-film lithium niobate with electro-optic modulators and phase-change material cells. Journal of the Optical Society of America B, 40(5), D78-D83. DOI: 10.1364/JOSAB.485957 
Preprints
2025
- 
Rácz, É., Ruppert, L., & Filip, R. (2025). Quantum non-Gaussianity based on amplified photon statistics. arXiv preprint. DOI: 10.48550/arXiv.2509.20492 
- 
de Oliveira Junior, A., Andersen, A. L., Larsen, B. L., Moore, S. W., Markham, D., Takeoka, M., Brask, J. B., & Andersen, U. L. (2025). Privacy in continuous-variable distributed quantum sensing. arXiv preprint. DOI: 10.48550/arXiv.2509.12338 
- 
Hanamura, F., Takase, K., Nagayoshi, H., Ide, R., Asavanant, W., Fukui, K., Marek, P., Filip, R., & Furusawa, A. (2025). Beyond Stellar Rank: Control Parameters for Scalable Optical Non-Gaussian State Generation. arXiv preprint. DOI: 10.48550/arXiv.2509.06255 
- 
Solodovnikova, O., Andersen, U. L., & Neergaard-Nielsen, J. S. (2025). The loss tolerance of cat breeding for fault-tolerant grid state generation. arXiv preprint. DOI: 10.48550/arXiv.2508.06193 
- 
Solodovnikova, O., Andersen, U. L., & Neergaard-Nielsen, J. S. (2025). Fast simulations of continuous-variable circuits using the coherent state decomposition. arXiv preprint. DOI: 10.48550/arXiv.2508.06175 
- 
Meyer, U. I., Šupić, I., Grosshans, F., & Markham, D. (2025). Robustly self-testing all maximally entangled states in every finite dimension. arXiv preprint. DOI: 10.48550/arXiv.2508.01071 
- 
Häussler, S., & van Loock, P. (2025). Quantum repeaters based on stationary and flying Gottesman-Kitaev-Preskill qudits. arXiv preprint. DOI: 10.48550/arXiv.2508.00530 
- 
Kalash, M., Passos, M. H., Rácz, É., Ruppert, L., Filip, R., & Chekhova, M. V. (2025). Certifying non-classicality and non-Gaussianity through optical parametric amplification. arXiv preprint. DOI: 10.48550/arXiv.2507.18296 
- 
Laha, P., & van Loock, P. (2025). Arbitrary high-fidelity binomial codes from multiphoton spin-boson interactions. arXiv preprint. DOI: 10.48550/arXiv.2507.08585 
- 
Kuchař, V., & Marek, P. (2025). Nonlinear Squeezing of Superpositions of Quadrature Eigenstates. arXiv preprint. DOI: 10.48550/arXiv.2506.17437 
- 
Provazník, J., Solodovnikova, O., Filip, R., & Marek, P. (2025). Optical states with higher stellar rank. arXiv preprint. DOI: 10.48550/arXiv.2506.01171 
- 
Kala, V., Filip, R., & Marek, P. (2025). Nullifiers of non-Gaussian cluster states through homodyne measurement. arXiv preprint. DOI: 10.48550/arXiv.2505.21066 
- 
Bräuer, Š., Provazník, J., Kala, V., & Marek, P. (2025). Catability as a metric for evaluating superposed coherent states. arXiv preprint. DOI: 10.48550/arXiv.2505.19723 
- 
Marqversen, F. K., Wesenberg, J. H., Zinner, N. T., & Andersen, U. L. (2025). Performance analysis of GKP error correction. arXiv preprint. DOI: 10.48550/arXiv.2505.14775 
- 
Bräuer, Š., Opatrný, T., & Marek, P. (2025). Generalized squeezing as a witness. arXiv preprint. DOI: 10.48550/arXiv.2503.09210 
- 
Kala, V., Fadrný, J., Neset, M., Bílek, J., Marek, P., & Ježek, M. (2025). Genuine Continuous Quantumness. arXiv preprint. DOI: 10.48550/arXiv.2503.07574 
- 
Andersen, J. E., & Shan, S. (2025). Estimating the Percentage of GBS Advantage in Gaussian Expectation Problems. arXiv preprint. DOI: 10.48550/arXiv.2502.19362 
- 
Andersen, J. E., & Shan, S. (2025). Using Gaussian Boson Samplers to Approximate Gaussian Expectation Problems. arXiv preprint. DOI: 10.48550/arXiv.2502.19336 
- 
Endo, M., Nomura, T., Sonoyama, T., Takahashi, K., Takasu, S., Fukuda, D., Kashiwazaki, T., Inoue, A., Umeki, T., Nehra, R., Marek, P., Filip, R., Takase, K., Asavanant, W., & Furusawa, A. (2025). High-Rate Four Photon Subtracti on from Squeezed Vacuum: Preparing Cat State for Optical Quantum Computation. arXiv preprint. DOI: 10.48550/arXiv.2502.08952 
- 
Ravikumar, A., Moore, D. W., & Filip, R. (2025). Nonclassical Nullifiers for Quantum Hypergraph States. arXiv preprint. DOI: 10.48550/arXiv.2502.02226 
- 
Østergaard, E. E., Budinger, N., Larsen, M. V., van Loock, P., Neergaard-Nielsen, J. S., & Andersen, U. L. (2025). The Octo-Rail Lattice: a four-dimensional cluster state design. arXiv preprint. DOI: 10.48550/arXiv.2502.19393 
2024
- 
Fukui, K., & van Loock, P. (2024). Resource-efficient high-threshold fault-tolerant quantum computation with weak nonlinear optics. arXiv preprint. DOI: 10.48550/arXiv.2412.16536 
- 
Chelluri, S. S., Khatri, S., & van Loock, P. (2024). Multipartite entanglement distribution in Bell-pair networks without Steiner trees and with reduced gate cost. arXiv preprint. DOI: 10.48550/arXiv.2412.04252 
- 
Warke, A., Nötzel, J., Takase, K., Asavanant, W., Nagayoshi, H., Fukui, K., Takeda, S., Furusawa, A., & van Loock, P. (2024). Photonic Quantum Receiver Attaining the Helstrom Bound. arXiv preprint. DOI: 10.48550/arXiv.2410.21800 
- 
Meyer, U. I., Šupić, I., Markham, D., & Grosshans, F. (2024). Qudit Clauser-Horne-Shimony-Holt Inequality and Nonlocality from Wigner Negativity. arXiv preprint. DOI: 10.48550/arXiv.2405.14367 
- 
Stránský, P., Cejnar, P., & Filip, R. (2024). Unitary death of Schrödinger’s cat. arXiv preprint. DOI: 10.48550/arXiv.2407.04389 
- 
Kala, V., Walschaers, M., Filip, R., & Marek, P. (2024). Non-Gaussian state teleportation with a nonlinear feedforward. arXiv preprint. DOI: 10.48550/arXiv.2404.06438 
- 
Oh, C., Chen, S., Wong, Y., Zhou, S., Huang, H. Y., Nielsen, J. A., … & Preskill, J. (2024). Entanglement-enabled advantage for learning a bosonic random displacement channel. arXiv preprint. DOI: 10.48550/arXiv.2402.18809 
- 
Meyer, U. I., Šupić, I., Markham, D., & Grosshans, F. (2024). Bell Nonlocality from Wigner Negativity in Qudit Systems. arXiv preprint. DOI: 10.48550/arXiv.2405.14367 
- 
Kolář, M., & Filip, R. (2024). Negative Wigner function by decaying interaction from equilibrium. arXiv preprint. DOI: 10.48550/arXiv.2403.08474 
- 
Provazník, J., Marek, P., Laurat, J., & Filip, R. (2024). Adapting coherent-state superpositions in noisy channels. arXiv preprint. DOI: 10.48550/arXiv.2406.01081 
- 
Hanamura, F., Asavanant, W., Nagayoshi, H., Sakaguchi, A., Ide, R., Fukui, K., … & Furusawa, A. (2024). Implementing arbitrary multi-mode continuous-variable quantum gates with fixed non-Gaussian states and adaptive linear optics. arXiv preprint. DOI: 10.48550/arXiv.2405.19067 
- 
Descamps, É., & Markham, D. (2024). Noisy certification of continuous variables graph states. arXiv preprint. DOI: 10.48550/arXiv.2406.03908 
2023
- Konno, S., Asavanant, W., Hanamura, F., Nagayoshi, H., Fukui, K., Sakaguchi, A., … & Furusawa, A. (2023). Propagating Gottesman-Kitaev-Preskill states encoded in an optical oscillator. arXiv preprint. DOI: 10.48550/arXiv.2309.02306
Press and Media
- 
Spotlight on CLUSTEC: Advancing the Frontiers of Quantum Computing and Networking (LinkedIn Post, 23 April 2024) 
- 
Celebrating World Quantum Day (LinkedIn Post, 15 April 2024) 
- 
CSEM featured as Gold Sponsor for PICInternational Conference (LinkedIn Post, 12 April 2024) 
- 
CSEM and CLUSTEC to be presented at PICInternational in Brussels (LinkedIn Post, 11 April 2024) 
- 
SPIE invited talk featuring CLUSTEC (LinkedIn Post, 7 April 2024) 
- 
Breaking New Ground in Quantum Computing: CLUSTEC Project Update (LinkedIn Post, 8 February 2024) 
- 
Celebrating CSEM Photonic Day with the CLUSTEC flagship project (LinkedIn Post, 7 December 2023) 
- 
SDU invites applications for CLUSTEC research positions (LinkedIn Post, 7 November 2023) 
- 
First CLUSTEC General Assembly held in Lyngby” (LinkedIn Post, 8 September 2023) 
- 
Cluster states for scalable photonic quantum technologies (LinkedIn Pulse Article, 22 August 2023) 
- 
New article released: “Cluster states for scalable photonic quantum technologies” (LinkedIn Post, 22 August 2023) 
- 
CLUSTEC explores the emerging quantum photonics platform based on continuous variable cluster states (LinkedIn Post, 22 August 2023) 
- 
Scalable quantum technologies on optical cluster states (DTU Press Release, 4 May 2023) 
- 
Exploring the frontiers of measurement-based quantum computing (LinkedIn Post, 28 April 2023) 
- 
DTU Physics to lead EU effort in advancing scalable quantum technologies (LinkedIn Post, 20 April 2023) 
Talks and Presentations
To be updated soon