Scalable Continuous Variable Cluster State Quantum Technologies

Project Information

CLUSTEC

Grant agreement ID: 101080173

DOI

10.3030/101080173

EC signature date 14 September 2022

Start date 1 November 2022

End date 31 October 2026

Funded under

• Digital, Industry and Space

Total cost

€ 2 994 543,75

EU contribution

€ 2 994 543,75

Coordinated by

DANMARKS TEKNISKE UNIVERSITET
Denmark

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Deliverables

Websites, patent fillings, videos etc. (1)

Project website

Project website.

Publications

Peer reviewed articles (25)

Adapting coherent-state superpositions in noisy channels

Author(s): Jan Provazník, Petr Marek, Julien Laurat, Radim Filip
Published in: Optics Express, Issue 33, 2025, ISSN 1094-4087
Publisher: Optica Publishing Group
DOI: 10.48550/ARXIV.2406.01081

Nonlinear squeezing of superpositions of quadrature eigenstates

Author(s): Vojtěch Kuchař, Petr Marek
Published in: Physical Review A, Issue 112, 2025, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2506.17437

Nonlinear phase gates as Airy transforms of the Wigner function

Author(s): Darren W. Moore, Radim Filip
Published in: npj Quantum Information, Issue 11, 2025, ISSN 2056-6387
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/S41534-025-01006-Z

Unitary collapse of Schrödinger's cat state

Author(s): Pavel Stránský, Pavel Cejnar, Radim Filip
Published in: Physical Review A, Issue 110, 2024, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2407.04389

Ground state nature and nonlinear squeezing of Gottesman-Kitaev-Preskill states.

Author(s): Marek, P.
Published in: Physical Review Letters, 2024, ISSN 1079-7114
Publisher: Physical Review Letters
DOI: 10.1103/PhysRevLett.132.210601

Noisy certification of continuous-variable graph states

Author(s): Éloi Descamps, Damian Markham
Published in: Physical Review A, Issue 111, 2025, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2406.03908

Implementing arbitrary multimode continuous-variable quantum gates with fixed non-Gaussian states and adaptive linear optics

Author(s): Fumiya Hanamura, Warit Asavanant, Hironari Nagayoshi, Atsushi Sakaguchi, Ryuhoh Ide, Kosuke Fukui, Peter van Loock, Akira Furusawa
Published in: Physical Review A, Issue 110, 2024, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2405.19067

Performance of Rotation‐Symmetric Bosonic Codes in a Quantum Repeater Network.

Author(s): Li, P. Z., Dias, J., Munro, W. J., van Loock, P., Nemoto, K., & Lo Piparo, N.
Published in: Advanced Quantum Technologies, 2024, ISSN 2511-9044
Publisher: Advanced Quantum Technologies
DOI: 10.1002/qute.202300252

Journal of the Optical Society of America B: Optical Physics

Author(s): Bente, I., Brückerhoff-Plückelmann, F., Bankwitz, J. R., Wendland, D., Lomonte, E., Lenzini, F., … & Pernice, W. H.
Published in: Journal of the Optical Society of America B, 2023, ISSN 0740-3224
Publisher: Optical Society of America
DOI: 10.1364/JOSAB.485957

Integrated optical pattern generation on thin-film lithium niobate with electro-optic modulators and phase-change material cells

Author(s): Ivonne Bente, Frank Brückerhoff-Plückelmann, J. Rasmus Bankwitz, Daniel Wendland, Emma Lomonte, Francesco Lenzini, C. David Wright, Harish Bhaskaran, Wolfram H. P. Pernice
Published in: Journal of the Optical Society of America B, Issue 40, 2024, ISSN 0740-3224
Publisher: Optica Publishing Group
DOI: 10.1364/JOSAB.485957

Quantum non-Gaussian high Fock states of light pulses and their superpositions

Author(s): G. P. Teja, Chandan Kumar, Lukáš Lachman, Radim Filip
Published in: Physical Review Research, Issue 7, 2025, ISSN 2643-1564
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2509.04891

High system efficiency nonlinear frequency conversion on thin-film lithium niobate

Author(s): Philipp Lohmann, Daniel Wendland, Francesco Lenzini, Wolfram H. P. Pernice
Published in: Optics Letters, Issue 50, 2025, ISSN 0146-9592
Publisher: Optica Publishing Group
DOI: 10.1364/OL.561750

Out-of-Distribution Generalization for Learning Quantum Channels with Low-Energy Coherent States

Author(s): Jason L. Pereira, Quntao Zhuang, Leonardo Banchi
Published in: PRX Quantum, Issue 6, 2025, ISSN 2691-3399
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2502.04454

Non-Gaussian quantum state generation by multi-photon subtraction at the telecommunication wavelength

Author(s): Endo, M., He, R., Sonoyama, T., Takahashi, K., Kashiwazaki, T., Umeki, T., … & Furusawa, A
Published in: Optics Express, 2023, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/OE.486270

Nonlinear squeezing generation via multimode PDC and single photon measurement

Author(s): Vojtěch Kala, Denis Kopylov, Petr Marek, Polina Sharapova
Published in: Optics Express, Issue 33, 2025, ISSN 1094-4087
Publisher: Optica Publishing Group
DOI: 10.48550/ARXIV.2411.09379

Probabilistic pure state conversion on the majorization lattice

Author(s): Deside, Serge; Arnhem, Matthieu; Griffet, Célia; Cerf, Nicolas J.
Published in: Physical Review Research, 2024, ISSN 2643-1564
Publisher: Physical Review Research
DOI: 10.48550/ARXIV.2303.10086

Cost and routing of continuous-variable quantum networks

Author(s): Centrone, F., Grosshans, F., & Parigi, V
Published in: Physical Review A, 2023, ISSN 2469-9926
Publisher: Physical Review A
DOI: 10.1103/PhysRevA.108.042615

Hierarchies of quantum non-Gaussian coherences for bosonic systems: A theoretical study

Author(s): Lukáš Lachman, Beate E. Asenbeck, Ambroise Boyer, Priyanka Giri, Alban Urvoy, Julien Laurat, Radim Filip
Published in: Physical Review A, Issue 111, 2025, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2501.14033

Coherence of quantum non-Gaussian states via nonlinear absorption of quanta

Author(s): Kingshuk Adhikary, Darren W Moore, Radim Filip
Published in: Quantum Science and Technology, Issue 10, 2025, ISSN 2058-9565
Publisher: IOP Publishing
DOI: 10.1088/2058-9565/ADE334

Logical states for fault-tolerant quantum computation with propagating light

Author(s): Konno, S., Asavanant, W., Hanamura, F., Nagayoshi, H., Fukui, K., Sakaguchi, A., … & Furusawa, A.
Published in: Science, 2024, ISSN 1095-9203
Publisher: Science
DOI: 10.1126/science.adk7560

Negative Wigner function by decaying interaction from equilibrium

Author(s): Michal Kolář, Radim Filip
Published in: Quantum, Issue 8, 2024, ISSN 2521-327X
Publisher: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.48550/ARXIV.2403.08474

Interferometric measurement of the quadrature coherence scale using two replicas of a quantum optical state

Author(s): Célia Griffet, Matthieu Arnhem, Stephan De Bièvre, Nicolas J. Cerf
Published in: Physical Review A, Issue 108, 2023, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.48550/ARXIV.2211.12992

Scalable and efficient grating couplers on low-index photonic platforms enabled by cryogenic deep silicon etching

Author(s): Emma Lomonte, Maik Stappers, Linus Krämer, Wolfram H. P. Pernice, Francesco Lenzini
Published in: Scientific Reports, Issue 14, 2024, ISSN 2045-2322
Publisher: Springer Science and Business Media LLC
DOI: 10.48550/ARXIV.2305.00907

Nonlinear feedforward enabling quantum computation

Author(s): Sakaguchi, A., Konno, S., Hanamura, F., Asavanant, W., Takase, K., Ogawa, H., … & Furusawa, A.
Published in: Nature Communications, 2023, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-023-39195-w

Variational quantum algorithm for enhanced continuous variable optical phase sensing

Author(s): Jens A. H. Nielsen, Mateusz J. Kicinski, Tummas N. Arge, Kannan Vijayadharan, Jonathan Foldager, Johannes Borregaard, Johannes Jakob Meyer, Jonas S. Neergaard-Nielsen, Tobias Gehring, Ulrik L. Anderse
Published in: npj Quantum Information, Issue 11, 2025, ISSN 2056-6387
Publisher: Springer Science and Business Media LLC
DOI: 10.17169/REFUBIUM-47578