Publications
Papers & Research Work of the Quantum Science Group
2026
Valibouse, Y., Cladera-Rosselló, M., Antesberger, M., Spencer-Wood, H., Simonov, K., Walther, P., & Rozema, L. A. (2026). Experimental Realisation of Indefinite Causal Ordered QKD within a Quantum Switch. In Quantum 2.0 - Proceedings Quantum 2.0 Conference and Exhibition Article QW2A.5 Optical Society of America. https://opg.optica.org/abstract.cfm?uri=QUANTUM-2026-QW2A.5
Silvestri, R., & Walther, P. (2026). The GFROG experiment: A Giant Fiber Ring Optical Gyroscope for testing General Relativity with two-photon entanglement. In Quantum 2.0 - Proceedings Quantum 2.0 Conference and Exhibition Article QTh4B.2 Optical Society of America. https://opg.optica.org/abstract.cfm?uri=QUANTUM-2026-QTh4B.2
Shultzman, A., Juffmann, T., & Kaminer, I. (2026). Quantum sensing in closed-loop interferometry. In CLEO 2026 Article FTH1D.4 Optical Society of America. https://doi.org/10.1364/CLEO_FS.2026.FTH1D.4
Honz, F., Pezelj, V., Strobl, T., Kutschera, F., Saggio, V., Walther, P., Hübel, H., & Schrenk, B. (2026). Implementing QKD over Multi-Fiber Ribbon Cables: How Dark is the “Dark Fiber”? In 2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 - Proceedings Article W3K.1 Institute of Electrical and Electronics Engineers Inc.. https://ieeexplore.ieee.org/document/11524806
Honz, F., Pezelj, V., Saggio, V., Boxleitner, W., Hentschel, M., Walther, P., Hübel, H., & Schrenk, B. (2026). Programmable Quantum Key Distribution Network for Dynamic and Multi-Granular Key Allocation. In 2026 Optical Fiber Communications Conference and Exhibition, OFC 2026 - Proceedings Institute of Electrical and Electronics Engineers Inc.. https://ieeexplore.ieee.org/document/11524984
Buhrman, H., Gharibian, S., Landau, Z., Le Gall, F., Schuch, N., & Tamaki, S. (2026). A Simpler Exponential-Time Approximation Algorithm for MAX-k-SAT. In S. Assadi, & E. Rotenberg (Eds.), Proceedings - 2026 SIAM Symposium on Simplicity in Algorithms, SOSA 2026 (pp. 247-253). Society for Industrial and Applied Mathematics Publications. https://doi.org/10.1137/1.9781611978964.18
Braun, B., Bajo, J., Trovatello, C., Walther, P., & Rozema, L. A. (2026). Tunable high-fidelity entanglement generation in quasi-phase-matched layered semiconductors. In Quantum 2.0 - Proceedings Quantum 2.0 Conference and Exhibition Article QM3C.4 Optical Society of America. https://opg.optica.org/abstract.cfm?uri=QUANTUM-2026-QM3C.4
Horvat, S., & Toader, I. D. (2026). Carnap on Quantum Mechanics. In C. Damböck, & G. Schiemer (Eds.), Carnap-Handbuch: Leben – Werk – Wirkung (1 ed., pp. 141-146). J. B. Metzler. https://doi.org/10.1007/978-3-662-72937-3_22
Campbell, S., Ciampini, M. A., & D’Amico, I. (2026). Focus on thermodynamics in quantum coherent platforms. Quantum Science and Technology, 11(2), Article 020201. https://doi.org/10.1088/2058-9565/ae51bb
Quantthermo, Dago, S., & Kiesel, N. (2026). Roadmap on quantum thermodynamics. Quantum Science and Technology, 11(1), Article 012501. https://doi.org/10.48550/arXiv.2504.20145, https://doi.org/10.1088/2058-9565/ae1e27
Yu, H., Macri, D., Morling, T., Polini, E., Mieling, T., Barrow, P., Kabagöz, B., Yin, X., Chruściel, P. T., Hilweg, C., Oelker, E., Mavalvala, N., & Walther, P. (2026). 50-km Fiber Interferometer for Testing Gravitational Signatures in Quantum Interference. Physical Review Letters, 136(11), Article 110803. https://doi.org/10.1103/yvlk-t1j9
Winter, L., Brighi, P., & Nunnenkamp, A. (2026). Restoring thermalization in long-range quantum magnets with staggered magnetic fields. Physical Review Research, 8, Article 023112. https://doi.org/10.48550/arXiv.2503.03801, https://doi.org/10.1103/8nqf-xjnh
Sutter, T. C., Popp, C., & Hiesmayr, B. C. (2026). Group-theoretic perspective on the positive-partial-transpose and realignment criteria in the magic simplex for bipartite qutrits. Physical Review A, 113(3), Article 032440. https://doi.org/10.1103/z7jn-4try
Sutter, T. C., Popp, C., & Hiesmayr, B. C. (2026). Noise-robust one-copy distillation protocol for all distillable Bell-diagonal qutrits. Physical Review A, 114(3), Article 032430. https://doi.org/10.1103/BGDW-3BLN
Sutter, T. C., Popp, C., & Hiesmayr, B. C. (2026). The impact of architecture and cost function on dissipative quantum neural networks. Quantum Machine Intelligence, 8(2), Article 115. https://doi.org/10.48550/arXiv.2502.09526, https://doi.org/10.1007/s42484-026-00432-2
Strauss, M., Hua, Y., Pfeffer, M., Di Silvestro, A., Geyer, P., Mayor, M., Arndt, M., & Köhler, V. (2026). UV photo-uncaging of Ru(ii)-polypyridyl bioconjugates in high vacuum. Physical Chemistry Chemical Physics, 28(27), 16929-16936. https://doi.org/10.1039/d6cp00849f
Seong, J., Bera, A., Hiesmayr, B. C., Chruściński, D., & Bae, J. (2026). Mirrored entanglement witnesses for multipartite and high-dimensional quantum systems. Quantum Science and Technology, 11(1), Article 015037. https://doi.org/10.48550/arXiv.2510.06863, https://doi.org/10.1088/2058-9565/ae30a3
Selimović, M., Agresti, I., Siemaszko, M., Morris, J., Dakić, B., Albiero, R., Crespi, A., Ceccarelli, F., Osellame, R., Stobińska-Moretto, M., & Walther, P. (2026). Experimental Neuromorphic Computing Based on Quantum Memristor. PRX Quantum, 7(3), Article 11. https://doi.org/10.48550/arXiv.2504.18694, https://doi.org/10.1103/jknv-3tx7
Schlegel, S., Dakić, B., & Del Santo, F. (2026). Entanglement without quantum mechanics: Operational constraints on the quantum signature. Physical Review Research, 8(3), 33313. https://doi.org/10.48550/arXiv.2512.14834, https://doi.org/10.1103/xdz9-x3zj
Rubino, G., Brukner, Č., & Manzano, G. (2026). Coarse-grained quantum thermodynamics: Observation-dependent quantities, observation-independent laws. Physical Review Research, 8, Article 023284. https://doi.org/10.48550/arXiv.2507.15918, https://doi.org/10.1103/gcyn-18tv
Richter, C. M. D., Antesberger, M., Cao, H., Walther, P., & Rozema, L. A. (2026). Toward an Experimental Device-Independent Verification of Indefinite Causal Order. PRX Quantum, 7, Article 010354. https://doi.org/10.48550/arXiv.2506.16949, https://doi.org/10.1103/5t2y-ddmt
Reinmoser, C., Xu, M., Kendrick, L. H., Kale, A., Gang, Y., Lebrat, M., Greiner, M., Grusdt, F., & Bohrdt, A. (2026). Optimized Gutzwiller projected states for doped antiferromagnets in Fermi-Hubbard simulators. Physical Review B, 114(6), Article 065131. https://doi.org/10.48550/arXiv.2506.11227, https://doi.org/10.1103/ck1r-724l
Rai, K. S., Kull, I., Emonts, P., Tura, J., Schuch, N., & Baccari, F. (2026). A Hierarchy of Spectral Gap Certificates for Frustration-Free Spin Systems. Quantum, 10, Article 2065. https://doi.org/10.48550/arXiv.2411.03680, https://doi.org/10.22331/q-2026-04-13-2065
Popp, C., Sutter, T. C., & Hiesmayr, B. C. (2026). Computation of the smooth max-mutual information via semidefinite programming. Quantum Information Processing, 25(3), Article 86. https://doi.org/10.48550/arXiv.2509.07743, https://doi.org/10.1007/s11128-026-05101-8
Popp, C., Sutter, T. C., & Hiesmayr, B. C. (2026). Resource state distillation via stabilizer channels. Physical Review A, 114(1), Article 012421. https://doi.org/10.48550/arXiv.2603.03925, https://doi.org/10.1103/78nk-n9sm
Pescoller, E., Beltrán-Romero, S., Egginger, S., Jungwirth, N., Zanetti, M., Hornof, D., Seifner, M. S., Březinová, I., Haslinger, P., Juffmann, T., Kofler, J., & Rätzel, D. (2026). Coupling Free Electrons to a Trapped-Ion Quantum Computer. Physical review letters, 137(15), Article 150804. https://doi.org/10.48550/arXiv.2601.11446, https://doi.org/10.1103/w6t7-9txs
Pedalino, S., Ferstl, R., Ramírez-Galindo, B. E., Sindelar, S., Gerlich, S., & Arndt, M. (2026). de Broglie and moiré metrology: From atoms to massive metal clusters. AVS Quantum Science, 8(1), Article 013201. https://doi.org/10.1116/5.0301389
Pedalino, S., Ramírez-Galindo, B. E., Ferstl, R., Hornberger, K., Arndt, M., & Gerlich, S. (2026). Probing quantum mechanics with nanoparticle matter-wave interferometry. Nature, 649(8098), 866-870. https://doi.org/10.1038/s41586-025-09917-9
Otto, F., Mansuroglu, R., Schuch, N., Gühne, O., & Sahlmann, H. (2026). Hyperinvariant spin network states — an AdS/CFT model from first principles. Journal of High Energy Physics, 2026(6), Article 145. https://doi.org/10.48550/arXiv.2510.06602, https://doi.org/10.1007/JHEP06(2026)145
Muthali, A. L., Sund, P. I., Faurby, C. F. D., Ekici, Ç., Adcock, J. C., Glindemann, J., Zanfardino, G., Leuzzi, L., Santagati, R., Illuminati, F., Ruocco, G., Leonetti, M., Paesani, S., & Ding, Y. (2026). Photonic simulation of disordered spin systems on a silicon chip. Advanced Photonics Nexus, 5(2), Article 025001. https://doi.org/10.1117/1.APN.5.2.025001
Molnár, A., Ruiz de Alarcón, A., Garre Rubio, J., Schuch, N., Cirac, J. I., & Perez-Garcia, D. (2026). Matrix product operator algebras I: representations of weak Hopf algebras and projected entangled pair states. Communications in Mathematical Physics, 407, 1-87. Article 203. https://doi.org/10.1007/s00220-026-05670-w
Mauser, M. F. X., Four, S., Predl, L. M., Albiero, R., Ceccarelli, F., Osellame, R., Petersen, P., Dakić, B., Agresti, I., & Walther, P. (2026). Experimental data reuploading with provable enhanced learning capabilities. Science Advances, 12(15), Article eaeb1397. https://doi.org/10.48550/arXiv.2507.05120, https://doi.org/10.1126/SCIADV.AEB1397
Marchand, R., Ortkrass, H., Aziz, D., Pfanner, F., Abbas, E., Rizzoli, S. O., Hübner, W., Bowman, A. J., Huser, T., & Juffmann, T. (2026). Super-resolution structured illumination microscopy of cellular dynamics with fluorescence lifetime contrast. Optica, 13(6), 1065-1074. https://doi.org/10.1364/OPTICA.589837
Mansuroglu, R., & Schuch, N. (2026). Preparation circuits for matrix product states by classical variational disentanglement. Physical Review A, 113(4), Article 042430. https://doi.org/10.48550/arXiv.2504.21298, https://doi.org/10.1103/7x2g-twkl
Maliborski, M., & Sutter, T. C. (2026). Looking through the Kerr disk. Physical Review D, 113(6), Article 064002. https://doi.org/10.48550/arXiv.2511.18502, https://doi.org/10.1103/s8ps-3zs5
Kun, D., Strömberg, T., Dakić, B., Walther, P., & Rozema, L. A. (2026). Testing single-photon entanglement using self-referential measurements. Optica, 13(4), 745-751. https://doi.org/10.48550/arXiv.2511.21819, https://doi.org/10.1364/OPTICA.586172
Krzemien, W., Bala, M., Dulski, K., Zdeb, W., Coussat, A., Hiesmayr, B. C., Klimaszewski, K., Obara, M., Raczyński, L., & Shopa, R. Y. (2026). A Monte Carlo positronium decay source model with multiple annihilation channels in GATE. Physics in Medicine and Biology, 71(17), Article 175026. https://doi.org/10.48550/arXiv.2605.14987, https://doi.org/10.1088/1361-6560/ae9c83
Klimesch, J., Arlt, S., Ruiz-Gonzalez, C., Rodríguez, C., Gu, X., Haslinger, P., Vischia, P., Haack, C., Drori, Y., Adhikari, R., Arndt, M., Kagan, M., Heinrich, L., & Krenn, M. (2026). Designing physics experiments with artificial intelligence. Nature, 657(8130), 47-58. https://doi.org/10.1038/s41586-026-10898-6
Jiang, X., Hochrainer, A., Kysela, J., Erhard, M., Gu, X., Yu, Y., & Zeilinger, A. (2026). Subjective nature of path information in quantum mechanics. Nature Communications, 17(1), Article 2433. https://doi.org/10.48550/arXiv.2505.05930, https://doi.org/10.1038/s41467-026-69034-7
Jenke, P. K., Abdullah, S., Weber, A. P., Rodríguez Echarri, Á., Iyikanat, F., Mkhitaryan, V., Schiller, F., Ortega, J. E., Walther, P., García de Abajo, F. J., & Rozema, L. A. (2026). Few-atom-thick silver films for enhanced nanoscale nonlinear optics. Nature Communications, 17(1), Article 8214. https://doi.org/10.48550/arXiv.2508.15417, https://doi.org/10.1038/s41467-026-74804-4
Jehle, L., Hansen, L. M., Sund, P. I., Sandø, T. W., Joos, R., Jetter, M., Portalupi, S. L., Bozzio, M., Michler, P., & Walther, P. (2026). Asymmetric two-photon response of an incoherently driven quantum emitter. Nature Communications, 17(1), Article 6400. https://doi.org/10.48550/arXiv.2507.07082, https://doi.org/10.1038/s41467-026-72706-z
Honz, F., Boxleitner, W., Ferreira-Ramos, M., Hentschel, M., Walther, P., Hübel, H., & Schrenk, B. (2026). Monolithic Multi-Channel SiGe Quantum Key Distribution Transmitter Chip. Journal of Lightwave Technology, 44(3), 1151-1158. https://doi.org/10.1109/JLT.2025.3627153
Hitzelhammer, F., Stowasser, J., Hanschke, L., Boos, K., Sutter, T. C., Haider, M., Jirauschek, C., Müller, K., Slavcheva, G., & Hohenester, U. (2026). Bridging quantum noise and classical electrodynamics with stochastic methods. Nature Communications, 17(1), Article 6618. https://doi.org/10.48550/arXiv.2509.22312, https://doi.org/10.1038/s41467-026-73066-4
Hitzelhammer, F., Dong, J., Hohenester, U., & Juffmann, T. (2026). When higher resolution reduces precision: quantum limits of off-axis interferometric scattering microscopy. JPhys Photonics, 8(2), Article 025008. https://doi.org/10.48550/arXiv.2510.03034, https://doi.org/10.1088/2515-7647/ae5c49
Hansen, J. J., Minniberger, S., Ilk, D., Asenbaum, P., Higgins, G., Povey, R. G., Schmidt, P., Hofer, J., Claessen, R., Aspelmeyer, M., & Trupke, M. (2026). Optical interferometric readout of a magnetically levitated superconducting microsphere. Physical Review Applied, 25(4), Article 044080 . https://doi.org/10.48550/arXiv.2508.11731, https://doi.org/10.1103/ljxp-3f66
Hansen, K., Kresin, V., Alhyder, R., Lemeshko, M., Fárník, M., Fedor, J., Ferrari, P., Worutowicz, L. X., Louwerse, R. J., Kiawi, D., Waters, L. B. F. M., Lang, S. M., Bakker, J. M., von Issendorff, B., Kong, W., Mehmel, J., Schäfer, R., Pedalino, S., Ramírez-Galindo, B. E., ... Wang, L.-S. (2026). Reflections on future problems in cluster science. European Physical Journal D, 80(5), Article 50. https://doi.org/10.48550/arXiv.2605.03402, https://doi.org/10.1140/epjd/s10053-026-01126-x
Eckstein, T., Mansuroglu, R., Wolf, S., Nützel, L., Tasler, S., Kliesch, M., & Hartmann, M. J. (2026). Shot-Noise Reduction for Lattice Hamiltonians. PRX Quantum, 7(2), Article 20303. https://doi.org/10.48550/arXiv.2410.21251, https://doi.org/10.1103/xy36-drb3
Di Biagio, A., Howl, R., Brukner, Č., Rovelli, C., & Christodoulou, M. (2026). Circuit locality from relativistic locality in scalar field mediated entanglement. Quantum, 10, 1-17. Article 2046. https://doi.org/10.48550/arXiv.2305.05645, https://doi.org/10.22331/q-2026-03-24-2046
Choi, Y., Ha, H., Kim, D., Kusuki, Y., Oyama, S., & Ryu, S. (2026). Higher structures on boundary conformal manifolds: Higher Berry phase and boundary conformal field theory. Physical Review D, 113(10), Article 106005. https://doi.org/10.48550/arXiv.2507.12525, https://doi.org/10.1103/z8pw-8ckx
Chen, J.-Y., Huang, B., Zhou, D. L., Schuch, N., Cao, C., & Yang, M. (2026). Tangent Space Excitation Ansatz for Quantum Circuits. Physical Review Letters, 136(15), Article 150601. https://doi.org/10.48550/arXiv.2507.07646, https://doi.org/10.1103/k2lc-v1hn