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Piet Oliver Schmidt

https://orcid.org/0000-0003-0773-5889
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Publications

  1. 2025
  2. Published

    Finding the Ultranarrow P32→P30 Electric Quadrupole Transition in Ni12+ Ion for an Optical Clock

    Cheung, C., Porsev, S. G., Filin, D., Safronova, M. S., Wehrheim, M., Spieß, L. J., Chen, S., Wilzewski, A., López-Urrutia, J. R. C. & Schmidt, P. O., 28 Aug 2025, In: Physical review letters. 135, 9, p. 93002 1 p., 093002.

    Research output: Contribution to journal › Article › Research › peer review

  3. Published

    Excited-State Magnetic Properties of Carbon-like Ca^{14+}

    Spieß, L. J., Chen, S., Wilzewski, A., Wehrheim, M., Gilles, J., Surzhykov, A., Benkler, E., Filzinger, M., Steinel, M., Huntemann, N., Cheung, C., Porsev, S. G., Bondarev, A. I., Safronova, M. S., Crespo López-Urrutia, J. R. & Schmidt, P. O., 22 Jul 2025, In: Physical review letters. 135, 4, p. 43002 1 p., 043002.

    Research output: Contribution to journal › Article › Research › peer review

  4. Published

    Nonlinear Calcium King Plot Constrains New Bosons and Nuclear Properties

    Wilzewski, A., Spieß, L. J., Wehrheim, M., Chen, S., King, S. A., Micke, P., Filzinger, M., Steinel, M. R., Huntemann, N., Benkler, E., Schmidt, P. O., Huber, L. I., Flannery, J., Matt, R., Stadler, M., Oswald, R., Schmid, F., Kienzler, D., Home, J., Craik, D. P. L. A., Door, M., Eliseev, S., Filianin, P., Herkenhoff, J., Kromer, K., Blaum, K., Yerokhin, V. A., Valuev, I. A., Oreshkina, N. S., Lyu, C., Banerjee, S., Keitel, C. H., Harman, Z., Berengut, J. C., Viatkina, A., Gilles, J., Surzhykov, A., Rosner, M. K., Crespo López-Urrutia, J. R., Richter, J., Mariotti, A. & Fuchs, E., 10 Jun 2025, In: Physical review letters. 134, 23, 233002.

    Research output: Contribution to journal › Article › Research › peer review

  5. Published

    Quantum Logic Control of a Transition Metal Ion

    Rehmert, T., Zawierucha, M. J., Dietze, K., Schmidt, P. O. & Wolf, F., 18 Mar 2025, In: Physical review letters. 134, 11, 113201.

    Research output: Contribution to journal › Article › Research › peer review

  6. Published

    Ultra-stable transportable ultraviolet clock laser using cancellation between photo-thermal and photo-birefringence noise

    Kraus, B., Herbers, S., Nauk, C., Sterr, U., Lisdat, C. & Schmidt, P. O., 14 Jan 2025, In: Optics letters. 50, 2, p. 658-661 4 p.

    Research output: Contribution to journal › Article › Research › peer review

  7. 2024
  8. Published

    Quadratic Zeeman and electric quadrupole shifts in highly charged ions

    Gilles, J., Fritzsche, S., Spieß, L. J., Schmidt, P. O. & Surzhykov, A., 22 Nov 2024, In: Physical Review A. 110, 5, 12 p., 052812.

    Research output: Contribution to journal › Article › Research › peer review

  9. Published

    Identification of highly forbidden optical transitions in highly charged ions

    Chen, S., Spieß, L. J., Wilzewski, A., Wehrheim, M., Dietze, K., Vybornyi, I., Hammerer, K., López-Urrutia, J. R. C. & Schmidt, P. O., 21 Nov 2024, In: Physical review applied. 22, 5, 11 p., 054059.

    Research output: Contribution to journal › Article › Research › peer review

  10. Published

    GHZ protocols enhance frequency metrology despite spontaneous decay

    Kielinski, T., Schmidt, P. O. & Hammerer, K., Oct 2024, In: Science advances. 10, 43, 13 p., eadr1439.

    Research output: Contribution to journal › Article › Research › peer review

  11. Published

    Ultra-low frequency noise external cavity diode laser systems for quantum applications

    Kolodzie, N., Mirgorodskiy, I., Nölleke, C. & Schmidt, P. O., 12 Aug 2024, In: Optics Express. 32, 17, p. 29781-29794 14 p.

    Research output: Contribution to journal › Article › Research › peer review

  12. Published

    Multi-ion Frequency Reference Using Dynamical Decoupling

    Pelzer, L., Dietze, K., Martínez-Lahuerta, V. J., Krinner, L., Kramer, J., Dawel, F., Spethmann, N. C. H., Hammerer, K. & Schmidt, P. O., 19 Jul 2024, In: Physical review letters. 133, 3, 033203.

    Research output: Contribution to journal › Article › Research › peer review

  13. Published

    Deterministic preparation of a dual-species two-ion crystal

    Zawierucha, M. J., Rehmert, T., Keller, J., Mehlstäubler, T. E., Schmidt, P. O. & Wolf, F., 8 Jul 2024, In: Physical Review A. 110, 1, 013107.

    Research output: Contribution to journal › Article › Research › peer review

  14. Published

    Low phase noise cavity transmission self-injection locked diode laser system for atomic physics experiments

    Krinner, L., Dietze, K., Pelzer, L., Spethmann, N. & Schmidt, P. O., 16 Apr 2024, In: Optics express. 32, 9, p. 15912-15922 11 p.

    Research output: Contribution to journal › Article › Research › peer review

  15. Published

    Ultra-low frequency noise diode laser systems for optical atomic clocks

    Kolodzie, N., Mirgorodskiy, I., Nölleke, C. & Schmidt, P. O., 13 Mar 2024, Novel In-Plane Semiconductor Lasers XXIII. Belyanin, A. A. & Smowton, P. M. (eds.). SPIE, 129050C. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12905).

    Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review

  16. Published

    Coherent photo-thermal noise cancellation in a dual-wavelength optical cavity for narrow-linewidth laser frequency stabilisation

    Dawel, F., Wilzewski, A., Herbers, S., Pelzer, L., Kramer, J., Hild, M. B., Dietze, K., Krinner, L., Spethmann, N. C. H. & Schmidt, P. O., 14 Feb 2024, In: Optics express. 32, 5, p. 7276-7288 13 p.

    Research output: Contribution to journal › Article › Research › peer review

  17. Published

    Prospect for precision quantum logic spectroscopy of vibrational overtone transitions in molecular oxygen ions

    Wolf, F., Heip, J. C., Zawierucha, M. J., Shi, C., Ospelkaus, S. & Schmidt, P. O., 16 Jan 2024, In: New Journal of Physics. 26, 30 p., 013028.

    Research output: Contribution to journal › Article › Research › peer review

  18. Published

    Quadrupole transitions and quantum gates protected by continuous dynamic decoupling

    Martínez-Lahuerta, V. J., Pelzer, L., Dietze, K., Krinner, L., Schmidt, P. O. & Hammerer, K., Jan 2024, In: Quantum Science and Technology. 9, 1, 015013.

    Research output: Contribution to journal › Article › Research › peer review

  19. Published

    Highly charged ion optical clocks

    Schmidt, P. O., Spieß, L. J., Wilzewski, A., Wehrheim, M., Chen, S., King, S. A., Micke, P., Leopold, T., Khan, N. & Crespo López-Urrutia, J. R., 2024, In: Journal of Physics: Conference Series. 2889, 1, 23 p., 012051.

    Research output: Contribution to journal › Conference article › Research › peer review

  20. 2023
  21. Published

    Narrow and Ultranarrow Transitions in Highly Charged Xe Ions as Probes of Fifth Forces

    Rehbehn, N., Rosner, M. K., Berengut, J. C., Schmidt, P. O., Pfeifer, T., Gu, M. F. & López-Urrutia, J. R. C., 20 Oct 2023, In: Physical review letters. 131, 16, 161803 .

    Research output: Contribution to journal › Article › Research › peer review

  22. Published

    Sympathetically cooled highly charged ions in a radio-frequency trap with superconducting magnetic shielding

    Dijck, E. A., Warnecke, C., Wehrheim, M., Henninger, R. B., Eff, J., Georgiou, K., Graf, A., Kokh, S., Kozhiparambil Sajith, L. P., Mayo, C., Schäfer, V. M., Volk, C., Schmidt, P. O., Pfeifer, T. & Crespo López-Urrutia, J. R., Aug 2023, In: Review of scientific instruments. 94, 8, 083203.

    Research output: Contribution to journal › Article › Research › peer review

  23. Published

    Analysis of ultra-low frequency noise external cavity diode laser-systems for optical ion clocks

    Kolodzie, N., Mirgorodskiy, I., Nölleke, C. & Schmidt, P. O., 2023, 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference: CLEO/Europe-EQEC. Institute of Electrical and Electronics Engineers Inc., 1 p. (Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference).

    Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review

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