Publications
Below you can find a list of all our publications related to our Special Research Program. Click on the links to find the full papers!
2026
Publications 2026
- Cascaded multi-harmonic generation in a β-BBO crystal reaching 133 nm from a single 800 nm pump beam
J. Seres, E. Seres, T. Schumm
J. Opt. 28, 065501 - Simulating Cascaded Harmonics Generation up to the Sixth Order in β-BBO
J. Seres, E. Seres, T. Schumm
Photonics, 13(5), 436 (2026) - The R-index: A universal metric for evaluating OAM content and mode purity in optical fields
M. Bahl, G. M. Koutentakis, M. Maslov, T. Jungnickel, T. Gaßen, M. Lemeshko, O. H. Heckl
J.Phys. Photonics 8, 015071 - Electronic Bridge processes in 229Th-doped LiCAF and LiSAF
T. Kirschbaum, M. Pimon, A. Grüneis, T. Schumm, A. Pálffy
Phys. Rev. A 113, 023118 (2026) - Frequency reproducibility of solid-state thorium-229 nuclear clocks
T. Ooi, J. F. Doyle, C. Zhang, J.S. Higgins, J. Ye, K. Beeks, T. Sikorsky, T. Schumm
Nature 650, 72-78 (2026) - Density functional theory study of Th-doped LiCAF and LiSAF for nuclear clock applications
M.Pimon, T. Kirschbaum, T.Schumm, A. Pálffy, A. Grüneis
Phys. Rev. B 113, 014107 (2026) - X-ray induced quenching of the 229Th clock isomer in CaF2
M. Guan, M. Bartokos, K. Beeks, H. Fujimoto, Y. Fukunaga, H. Haba, T. Hiraki, Y. Kasamatsu, S. Kitao, A. Leitner, T. Masuda, N. Nagasawa, K. Okai, R. Ogake, M. Pimon, M. Pressler, N. Sasao, F. Schaden, T. Schumm, M. Seto, Y. Shigekawa, K. Shimizu, T. Sikorsky, K. Tamasaku, S. Takatori, T. Watanabe, A. Yamaguchi, Y. Yoda, A. Yoshimi, K. Yoshimura
Phys. Rev. Lett. 136, 013203 (2026)
2025
Publications 2025
- High-energy wavelength-tunable pulse bursts: on the commutability of spectral filtering and burst-mode amplification
V. Stummer, E. Kaksis, A. Pugžlys, A. Baltuška
J. Eur. Opt. Society-Rapid Publ. 21,53 (2025) - Nonlinear Transmission of Strong THz-Electric Fields Through Thin Gold Films
R. Jutas, J. Grumm, Y. U. Staechelin, A. Pugžlys, A. Baltuška, A. Knorr, H. Lange
Advanced Optical Materials 13, 35 (2025) - Fine-structure constant sensitivity of the Th-229 nuclear clock transition
K. Beeks, G. A. Kazakov, F. Schaden, I. Morawetz, L. Toscani De Col, T. Riebner, M. Bartokos, T. Sikorsky, T. Schumm, C. Zhang, T. Ooi, J. S. Higgins, J. F. Doyle, J. Ye, M. S. Safronova
Nature Communications 16, 9147 (2025) - Laser-Induced Quenching of the Th-229 Nuclear Clock Isomer in Calcium Fluoride
F. Schaden, T. Riebner, I. Morawetz, L. Toscani De Col, G.A. Kazakov, K. Beeks, T. Sikorsky, T. Schumm, K. Zhang, V. Lal, G. Zitzer, J. Tiedau, M.V. Okhapkin, E. Peik
Phys. Rev. Research 7, L022036 (2025) - Characterization of the thorium-229 defect structure in CaF2 crystals
S. Takatori, M. Pimon, S. Pollitt, M. Bartokos, K. Beeks A. Grüneis, T. Hiraki, T. Honma, N. Hosseini, A. Leitner, T. Masuda, I. Morawetz, K. Nitta, K. Okai, T. Riebner, F. Schaden, T. Schumm, O. Sekizawa, T. Sikorsky, Y. Takahashi, L. Toscani De Col, R. Yamamoto, T. Yomogida, A. Yoshimi, K. Yoshimura
New Journal of Physics 27, 043024 (2025) - Temperature sensitivity of a 229Thorium solid-state nuclear clock
J.S. Higgins, T. Ooi, J.F. Doyle, C. Zhang, J. Ye, K. Beeks, T. Sikorsky, T. Schumm
Phys. Rev Lett. 134, 113801 (2025) - An Embedding Cluster Approach for Accurate Electronic Structure Calculations of 229Th:CaF2
K. Nalikowski, V. Veryazov, K. Beeks, T. Schumm, M. Krosnicki
Phys. Rev. B 111, 115103 (2025)
2024
Publications 2024
- Photoexcitation of the 229Th nuclear clock transition using twisted light
T. Kirschbaum, T. Schumm, A. Pálffy
Phys. Rev. C 110, 064326 (2024) - Suppression of Kerr-induced satellites in multi-pulse CPA
V. Stummer, E. Kaksis, A. Pugžlys, A. Baltuška
Optics Express Vol. 32, 38594 (2024) - Theory of angular momentum transfer from light to molecules
M. Maslov, G. M. Koutentakis, M. Hrast, O. H. Heckl, M. Lemeshko
Phys. Rev. Research 6, 033277 (2024) - Frequency ratio of the 229mTh nuclear isomeric transition and the 87Sr atomic clock
C. Zhang, T. Ooi, J.S. Higgins, J.F. Doyle, L. von der Wense, K. Beeks, A. Leitner, G.A. Kazakov, P. Li, P.G. Thirolf, T. Schumm, J. Ye
Nature 633, 63–70 (2024) - Controlling 229Th isomeric state population in a VUV transparent crystal
T. Hiraki, K. Okai, M. Bartokos, K. Beeks, H. Fujimoto, Y. Fukunaga, H. Haba, Y. Kasamatsu, S. Kitao, A. Leitner, T. Masuda, M. Guan, N. Nagasawa, R. Ogake, M. Pimon, M. Pressler, N. Sasao, F. Schaden, T. Schumm, M. Seto, Y. Shigekawa, K. Shimizu, T. Sikorsky, K. Tamasaku, S. Takatori, T. Watanabe, A. Yamaguchi, Y. Yoda, A. Yoshimi, and K. Yoshimura
Nature Communications 15, 5536 (2024) - Laser Excitation of the Th-229 Nucleus
J. Tiedau, M. V. Okhapkin, K. Zhang, J. Thielking, G. Zitzer, E. Peik, F. Schaden, T. Pronebner, I. Morawetz, L. Toscani De Col, F. Schneider, A. Leitner, M. Pressler, G. A. Kazakov, K. Beeks, T. Sikorsky, and T. Schumm
Physical Review Letters Vol. 132, Iss. 18 (2024) - Frequency-mode-stable regenerative amplification at terahertz burst rates
V. Stummer,T. Flöry, M. Schneller, E. Kaksis, M. Zeiler, A. Pugžlys, A. Baltuška
APL Photonics 9, 036116 (2024)