Publications of Akira Ozawa

Amit, O.; Taray, D.; Wirthl, V.; Weis , V.; Syed , M. W.; Ozawa, A.; Weitenberg, J.; Karshenboim, S. G.; Walraven, J. T. M.; Maisenbacher, L. et al.; Pohl, R.; Burkley, Z.; Schmid, F.; Hänsch, T. W.; Yost, D. C.; Udem, T.: Towards trapping of hydrogen atoms for computable optical clock applications. Physical Review A 112, 033101 (2025)

Wissenberg, S. H.; Weitenberg, J.; Moreno, J.; Hartung, H.; Möslein, M.; Burkhardt, T.; Teschler, T.; Schmid, F.; Udem, T.; Hoffmann, H.-D. et al.; Thirolf, P. G.; Hänsch, T. W.; Ozawa, A.; Haefner, C. L.: Noncollinear enhancement resonator with intrinsic pulse synchronization and alignment employing wedge mirrors. Physical Review Research 7, 023071 (2025)

Bieringer , M.; Weitenberg, J.; Udem, T.; Ozawa, A.: Astigmatic thermal lensing due to surface bulging in Yb:KYW laser crystals. Optical Materials Express 14, pp. 2527 - 2541 (2024)

Schmid, F.; Moreno, J.; Weitenberg, J.; Russbüldt, P.; Hänsch, T. W.; Udem, T.; Ozawa, A.: An ultra-stable high-power optical frequency comb. APL Photonics 9, 026105 (2024)

Canella , F.; Weitenberg, J.; Thariq, M.; Schmid, F.; Dwivedi , P.; Galzerano, G.; Hänsch, T. W.; Udem, T.; Ozawa, A.: Low-repetition-rate optical frequency comb. Optica 11, pp. 1 - 9 (2024)

Moreno, J.; Schmid, F.; Weitenberg, J.; Karshenboim, S. G.; Hänsch, T. W.; Udem, T.; Ozawa, A.: Toward XUV frequency comb spectroscopy of the 1 S-2 S transition in He⁺. European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics 77, 67 (2023)

Schmid, F.; Weitenberg, J.; Moreno , J.; Hänsch, T. W.; Udem, T.; Ozawa, A.: Number-resolved detection of dark ions in Coulomb crystals. Physical Review A 106 (4), L041101 (2022)

Karshenboim, S. G.; Ozawa, A.; Shelyuto, V. A.; Korzinin, E. Y.; Szafron, R.; Ivanov, V. G.: The Complete α⁸m Contributions to the 1s Lamb Shift in Hydrogen. Physics of Particles and Nuclei 53, pp. 773 - 786 (2022)

Ozawa, A.; Udem, T.: Very large bandwidth lasers. Nature Photonics 15, pp. 247 - 249 (2021)

Karshenboim, S. G.; Ozawa, A.; Ivanov, V. G.: Higher-order logarithmic corrections and the two-loop self-energy of a 1s electron in hydrogen. Physical Review A 100 (3), 032515 (2019)

Schmid, F.; Weitenberg, J.; Hänsch, T. W.; Udem, T.; Ozawa, A.: Simple phase noise measurement scheme for cavity-stabilized laser systems. Optics Letters 44 (11), pp. 2709 - 2712 (2019)

Ann , B.-M.; Schmid, F.; Krause, J.; Hänsch, T. W.; Udem, T.; Ozawa, A.: Motional resonances of three-dimensional dual-species Coulomb crystals. Journal of Physics B: Atomic, Molecular and Optical Physics 52 (3), 035002 (2019)

Karshenboim, S. G.; Ozawa, A.; Shelyuto, V. A.; Szafron, R.; Ivanov, V. G.: The Lamb shift of the 1s state in hydrogen: Two-loop and three-loop contributions. Physics Letters B 795, pp. 432 - 437 (2019)

Ozawa, A.; Davila-Rodriguez, J.; Hänsch, T. W.; Udem, T.: Quantum Zeno Effect assisted Spectroscopy of a single trapped Ion. Scientific Reports 8, 10643 (2018)

Weitenberg, J.; Vernaleken, A.; Schulte, J.; Ozawa, A.; Sartorius, T.; Pervak, V.; Hoffmann, H.-D.; Udem, T.; Russbüldt, P.; Hänsch, T. W.: Multi-pass-cell-based nonlinear pulse compression to 115 fs at 7.5 µJ pulse energy and 300 W average power. Optics Express 25 (17), pp. 20502 - 20510 (2017)

Ozawa, A.; Davila-Rodriguez, J.; Bounds, J. R.; Schüssler, H. A.; Hänsch, T. W.; Udem, T.: Single ion fluorescence excited with a single mode of an UV frequency comb. Nature Communications 8, 44 (2017)

Udem, T.; Ozawa, A.: Mode locking based on the temporal Talbot effect. Applied Physics B: Lasers and Optics 123 (4), 100 (2017)

Ishida, Y.; Otsu, T.; Ozawa, A.; Yaji, K.; Tani, S.; Shin, S.; Kobayashi, Y.: High repetition pump-and-probe photoemission spectroscopy based on a compact fiber laser system. Review of Scientific Instruments 87 (12), 123902 (2016)

Davila-Rodriguez, J.; Ozawa, A.; Hänsch, T. W.; Udem, T.: Doppler Cooling Trapped Ions with a UV Frequency Comb. Physical Review Letters 116 (4), 043002 (2016)

Michelberger, P.; Krischek, R.; Wieczorek, W.; Ozawa, A.; Weinfurter, H.: Interferometric autocorrelation in the ultraviolet utilizing spontaneous parametric down-conversion inside an enhancement cavity. Optics Letters 37 (7), pp. 1223 - 1225 (2012)