Publications
2026
Tunable high-fidelity entanglement generation in quasi-phase-matched layered semiconductors
Braun, B. (Corresponding author), Bajo, J., Trovatello, C., Walther, P. & Rozema, L. A., 2026, Quantum 2.0 - Proceedings Quantum 2.0 Conference and Exhibition. Optical Society of America, 2 p. QM3C.4. (OSA Technical Digest Series).Publications: Contribution to book › Contribution to proceedings › Peer Reviewed
2025
Paradox-free classical non-causality and unambiguous non-locality without entanglement are equivalent
Dourdent, H., Simonov, K., Leitherer, A., Boghiu, E.-C., Kunjwal, R., Halder, S., Augusiak, R. & Acín, A., 29 Dec 2025.Publications: Working paper › Preprint
Branched DPS-QKD Employing a WDM-Compatible Silicon Micro-Ring Resonator as Shared Quantum State Analyser
Honz, F., Müllner, P., Hentschel, M., Walther, P., Hübel, H., Hainberqer, R. & Schrenk, B., 25 Dec 2025, 2025 European Conference on Optical Communications, ECOC 2025. Institute of Electrical and Electronics Engineers Inc., 4 p.Publications: Contribution to book › Contribution to proceedings › Peer Reviewed
A Novel Stabilizer-based Entanglement Distillation Protocol for Qudits
Popp, C., Sutter, T. C. & Hiesmayr, B. C., 15 Dec 2025, In: Quantum. 9, 29 p., 1945.Publications: Contribution to journal › Article › Peer Reviewed
Quantum interferometry in external gravitational fields
Mieling, T., Morling, T., Hilweg, C. & Walther, P., 8 Dec 2025, In: Physical Review A. 112, 6, p. 622111-6221120 20 p., 062211.Publications: Contribution to journal › Article › Peer Reviewed
Entanglement-breaking channels are a quantum memory resource
Vieira, L. B., Ku, H. Y. & Budroni, C., Dec 2025, In: Physical Review Research. 7, 4, 9 p., 043281.Publications: Contribution to journal › Article › Peer Reviewed
Erasure of a nonequilibrium memory beyond Landauer's bound using levitated optomechanics with spatio-temporal optical control
Ciampini, M. A. (Corresponding author), Wenzl, T., Konopik, M., Thalhammer-Thurner, G., Aspelmeyer, M., Lutz, E. & Kiesel, N., Dec 2025, In: Physical Review Research. 7, 4, 13 p., 043321.Publications: Contribution to journal › Article › Peer Reviewed
Evidencing quantum gravity with thermodynamical observables
Strasser, T., Christodoulou, M., Howl, R. & Brukner, Č., Dec 2025, In: Physical Review Research. 7, 4, 7 p., 043299.Publications: Contribution to journal › Article › Peer Reviewed
Optimizing the localization precision in coherent scattering microscopy using structured light
Hohenester, U. (Corresponding author), Hitzelhammer, F., Krainer, G., Banzer, P. & Juffmann, T., Dec 2025, In: Nanophotonics. 14, 24, p. 4351-4364 14 p.Publications: Contribution to journal › Article › Peer Reviewed
Photoionization of temperature-controlled nanoparticles in a beam: Accurate and efficient determination of ionization energies and work functions
Sheekhoon, A. A., Haridy, A. O., Pedalino, S. & Kresin, V. V. (Corresponding author), Dec 2025, In: Review of Scientific Instruments. 96, 12, 10 p., 123705.Publications: Contribution to journal › Article › Peer Reviewed
Steady-state entanglement of interacting masses in free space through optimal feedback control
Winkler, K., Zasedatelev, A. V., Stickler, B. A., Delić, U., Deutschmann-Olek, A. & Aspelmeyer, M., Dec 2025, In: Physical Review Research. 7, 4, 10 p., 043298.Publications: Contribution to journal › Article › Peer Reviewed
The Product Structure of Matrix Product States under Permutations
Florido-Llinàs, M. (Corresponding author), Alhambra, Á. M., Trivedi, R., Schuch, N., Pérez-García, D. & Cirac, J. I., 17 Nov 2025, In: PRX Quantum. 6, 4, 19 p., 040338.Publications: Contribution to journal › Article › Peer Reviewed
Free expansion of a charged nanoparticle via electrostatic compensation
Steiner, D., Fein, Y. Y. (Corresponding author), Meier, G., Lindner, S., Juschitz, P., Ciampini, M. A., Aspelmeyer, M. & Kiesel, N., 10 Nov 2025, In: Applied Physics Letters. 127, 19, 6 p., 191103.Publications: Contribution to journal › Article › Peer Reviewed
Universality of Stationary Entanglement in an Optomechanical System Driven by Non-Markovian Noise and Squeezed Light
Direkci, S. (Corresponding author), Winkler, K., Gut, C., Aspelmeyer, M. & Chen, Y., 10 Oct 2025, In: Physical Review Letters. 135, 15, 7 p., 153601.Publications: Contribution to journal › Article › Peer Reviewed
Characterizing stationary optomechanical entanglement in the presence of non-Markovian noise
Direkci, S. (Corresponding author), Winkler, K., Gut, C., Aspelmeyer, M. & Chen, Y., 9 Oct 2025, In: Physical Review A. 112, 4, 20 p., 043512.Publications: Contribution to journal › Article › Peer Reviewed
Knot invariants and indefinite causal order
Fedida, S., de la Hamette, A. C., Kabel, V. & Brukner, Č., 6 Oct 2025, In: Quantum. 9, 24 p., 1875.Publications: Contribution to journal › Article › Peer Reviewed
Indefinite Causal Order and Quantum Coordinates
de la Hamette, A. C. (Corresponding author), Kabel, V., Christodoulou, M. & Brukner, Č., 3 Oct 2025, In: Physical Review Letters. 135, 14, 8 p., 141402.Publications: Contribution to journal › Article › Peer Reviewed
Compensating spherical and chromatic aberrations of ultrafast electron microscopes with laser beams
Nekula, Z. (Corresponding author), Juffmann, T. & Konečná, A. (Corresponding author), Oct 2025, In: Physical Review Research. 7, 4, 13 p., 043024.Publications: Contribution to journal › Article › Peer Reviewed
Decoherence and Brownian motion of a polarizable particle near a medium
Jakubec, C., Jarzynski, C. & Sinha, K., Oct 2025, In: Physical Review A. 112, 4, 18 p., 042225.Publications: Contribution to journal › Article › Peer Reviewed
Demonstration of hardware efficient photonic variational quantum algorithm
Agresti, I., Paul, K., Schiansky, P., Steiner, S., Yin, Z., Pentangelo, C., Piacentini, S., Crespi, A., Ban, Y., Ceccarelli, F., Osellame, R., Chen, X. (Corresponding author) & Walther, P. (Corresponding author), Oct 2025, In: Physical Review Research. 7, 4, 8 p., 043021.Publications: Contribution to journal › Article › Peer Reviewed
Disentangling tensor product structures
Soulas, A. (Corresponding author), Oct 2025, In: International Journal of Quantum Information. 23, 7, 2550027.Publications: Contribution to journal › Article › Peer Reviewed
Finite steady-state current defies non-Hermitian many-body localization
Brighi, P., Ljubotina, M., Roccati, F. & Balducci, F., Oct 2025, In: Physical Review Research. 7, 4, 7 p., L042014.Publications: Contribution to journal › Article › Peer Reviewed
Local Invariance of Divergence-Based Quantum Information Measures
Popp, C. (Corresponding author), Sutter, T. C. & Hiesmayr, B. C., Oct 2025, In: Entropy. 27, 10, 11 p., 1051.Publications: Contribution to journal › Article › Peer Reviewed
Performance of Practical Quantum Oblivious Key Distribution
Lemus, M. (Corresponding author), Schiansky, P., Goulão, M., Bozzio, M., Elkouss, D., Paunković, N., Mateus, P. & Walther, P., Oct 2025, In: PRX Quantum. 6, 4, 36 p., 040308.Publications: Contribution to journal › Article › Peer Reviewed
Probing arbitrary polarized photon pairs undergoing double Compton scatterings by a dedicated MC simulator validated with experimental data
Bała, M., Krzemień, W. (Corresponding author), Hiesmayr, B. C., Baran, J., Dulski, K., Klimaszewski, K., Raczyński, L., Shopa, R. Y. & Wiślicki, W., Oct 2025, In: European Physical Journal C. 85, 10, 20 p., 1115.Publications: Contribution to journal › Article › Peer Reviewed
Quantum cryptography beyond key distribution: Theory and experiment
Bozzio, M., Crépeau, C., Wallden, P. & Walther, P., Oct 2025, In: Reviews of Modern Physics. 97, 4, 53 p., 045006.Publications: Contribution to journal › Review › Peer Reviewed
Multi wavefunction overlap and multientropy for topological ground states in (2+1) dimensions
Liu, B., Zhang, J., Oyama, S., Kusuki, Y. & Ryu, S., 25 Sept 2025, In: Physical Review B. 112, 12, 16 p., 125160.Publications: Contribution to journal › Article › Peer Reviewed
Quantum cryptography integrating an optical quantum memory
Mamann, H., Nieddu, T., Hoffet, F., Bozzio, M., de Loubresse, F. G., Kerenidis, I., Diamanti, E., Urvoy, A. & Laurat, J. (Corresponding author), 19 Sept 2025, In: Science Advances. 11, 38, 6 p., eadx3223.Publications: Contribution to journal › Article › Peer Reviewed
Linking edge modes and geometrical clocks in linearized gravity
Giesel, K., Kabel, V. & Wieland, W., 15 Sept 2025, In: Physical Review D. 112, 6, 30 p., 064063.Publications: Contribution to journal › Article › Peer Reviewed
Experimental determination of partial charges with electron diffraction
Mahmoudi, S., Gruene, T. (Corresponding author), Schröder, C. (Corresponding author), Ferjaoui, K. D., Fröjdh, E., Mozzanica, A., Takaba, K., Volkov, A., Maisriml, J., Paunović, V., van Bokhoven, J. A. & Keppler, B. K., 4 Sept 2025, In: Nature. 645, p. 88-94 7 p.Publications: Contribution to journal › Article › Peer Reviewed
Gauging quantum phases: A matrix product state approach
Blanik, D., Garre Rubio, J. & Schuch, N., 3 Sept 2025, In: Physical Review B. 112, 11, 22 p., 115110.Publications: Contribution to journal › Article › Peer Reviewed
Distribution of GHz Sequential Time-Bin Entanglement in a Metropolitan Fiber Network
Achleitner, M. (Corresponding author), Trenti, A., Walther, P. & Huebel, H., Sept 2025, In: IEEE Journal of Selected Topics in Quantum Electronics. 31, 5, 8 p., 6400108.Publications: Contribution to journal › Article › Peer Reviewed
Experimental quantum-enhanced kernel-based machine learning on a photonic processor
Yin, Z. (Corresponding author), Agresti, I. (Corresponding author), de Felice, G., Brown, D., Toumi, A., Pentangelo, C., Piacentini, S., Crespi, A., Ceccarelli, F., Osellame, R., Coecke, B. & Walther, P. (Corresponding author), Sept 2025, In: Nature Photonics. 19, 9, p. 1020–1027 8 p.Publications: Contribution to journal › Article › Peer Reviewed
Low-fidelity entanglement distillation with FIMAX
Popp, C. (Corresponding author), Sutter, T. C. & Hiesmayr, B. C., Sept 2025, In: International Journal of Quantum Information. 23, 6, 16 p., 2550017.Publications: Contribution to journal › Article › Peer Reviewed
Wigner’s friend scenarios: On what to condition and how to verify the predictions
Del Santo, F. (Corresponding author), Manzano, G. & Brukner, Č., Sept 2025, In: Physical Review Research. 7, 3, 11 p., 033279.Publications: Contribution to journal › Article › Peer Reviewed
Roadmap for Photonics with 2D Materials
2D Mat, 20 Aug 2025, In: ACS Photonics. 12, 8, p. 3961-4095 135 p.Publications: Contribution to journal › Article › Peer Reviewed
A mirrored pair of optimal non-decomposable entanglement witnesses for two qudits does exist
Chruściński, D., Bera, A., Bae, J. & Hiesmayr, B. C. (Corresponding author), 2 Aug 2025, In: Scientific Reports. 15, 1, 12 p., 28205.Publications: Contribution to journal › Article › Peer Reviewed
Solar-Blind Free-Space QKD Using Large-Core Fibers for Alignment-Tolerant Link Operation
Honz, F. (Corresponding author), Boxleitner, W., Hentschel, M., Walther, P., Hübel, H. & Schrenk, B., 1 Aug 2025, In: Journal of Lightwave Technology. 43, 15, p. 7155-7162 8 p.Publications: Contribution to journal › Article › Peer Reviewed
Violation of Bell inequality with unentangled photons
Wang, K., Hou, Z., Qian, K., Chen, L., Krenn, M. (Corresponding author), Aspelmeyer, M. (Corresponding author), Zeilinger, A. (Corresponding author), Zhu, S. (Corresponding author) & Ma, X. S. (Corresponding author), 1 Aug 2025, In: Science Advances. 11, 31, 6 p., eadr1794.Publications: Contribution to journal › Article › Peer Reviewed
Bipartite bound entanglement
Hiesmayr, B. C. (Corresponding author), Popp, C. & Sutter, T. C., Aug 2025, In: International Journal of Quantum Information. 23, 5, 2530003.Publications: Contribution to journal › Review › Peer Reviewed
Multi-photon emission from a resonantly pumped quantum dot
Giorgino, F. (Corresponding author), Zahálka, P., Jehle, L., Carosini, L., Hansen, L. M., Loredo, J. C. & Walther, P., Aug 2025, In: Optica Quantum. 3, 4, p. 402-407 6 p.Publications: Contribution to journal › Article › Peer Reviewed
Quantum theory at the macroscopic scale
Gallego, M. & Dakić, B. (Corresponding author), Aug 2025, In: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 481, 2319, 12 p., 20240837.Publications: Contribution to journal › Article › Peer Reviewed
Cavity-enhanced continuous-wave microscopy with potentially unstable cavity length
Lueghamer, O., Nimmrichter, S., Conrad-Billroth, C., Juffmann, T. & Prüfer, M. (Corresponding author), 29 Jul 2025, In: Scientific Reports. 15, 1, 9 p., 27676.Publications: Contribution to journal › Article › Peer Reviewed
Beating the Natural Grover Bound for Low-Energy Estimation and State Preparation
Buhrman, H., Gharibian, S., Landau, Z., Gall, F. L., Schuch, N. & Tamaki, S., 15 Jul 2025, In: Physical Review Letters. 135, 3, 7 p., 030601.Publications: Contribution to journal › Article › Peer Reviewed
Sum of Entanglement and Subsystem Coherence Is Invariant under Quantum Reference Frame Transformations
Cepollaro, C. (Corresponding author), Akil, A. (Corresponding author), Cieśliński, P., de la Hamette, A.-C. & Brukner, Č., 2 Jul 2025, In: Physical Review Letters. 135, 1, 7 p., 010201.Publications: Contribution to journal › Article › Peer Reviewed
Micro-Ring Resonators as Quantum State Analyzers for DPS-QKD in the Shortwave and Telecom Bands
Honz, F., Müllner, P., Hentschel, M., Nevlacsil, S., Jessenig, S., Kraft, J., Sagmeister, M., Walther, P., Hainberger, R., Hübel, H. & Schrenk, B., 1 Jul 2025, In: Journal of Lightwave Technology. 43, 13, p. 6231-6237 7 p.Publications: Contribution to journal › Article › Peer Reviewed
Photon Number Coherence in Quantum Dot-Cavity Systems can be Enhanced by Phonons
Hagen, P. C. A. (Corresponding author), Bozzio, M., Cygorek, M., Reiter, D. E. & Axt, V. M., Jul 2025, In: Advanced Quantum Technologies. 8, 7, 13 p., 2400455.Publications: Contribution to journal › Article › Peer Reviewed
The axiom of choice and the no-signalling principle
Baumeler, Ä., Dakić, B. & Del Santo, F. (Corresponding author), Jul 2025, In: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 481, 2318, 9 p., 20240601.Publications: Contribution to journal › Article › Peer Reviewed
Positive bias makes tensor-network contraction tractable
Jiang, J. (Corresponding author), Chen, J. (Corresponding author), Schuch, N. (Corresponding author) & Hangleiter, D. (Corresponding author), 15 Jun 2025, STOC 2025 - Proceedings of the 57th Annual ACM Symposium on Theory of Computing. Koucky, M. & Bansal, N. (eds.). nicht ermittelbar: Association for Computing Machinery, Inc, p. 471-482 12 p.Publications: Contribution to book › Contribution to proceedings › Peer Reviewed
Probing the many-body localized spin-glass phase through quench dynamics
Brighi, P., Ljubotina, M. & Serbyn, M., 1 Jun 2025, In: Physical Review B. 111, 22, 6 p., L220202.Publications: Contribution to journal › Article › Peer Reviewed