Jan Westenkær Thomsen

Jan Westenkær Thomsen

Professor


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  1. Published

    Ultracold strontium clock: applications to the measurement of fundamental constant variations

    Ludlow, A. D., Blatt, S., Zelevinsky, T., Campbell, G. K., Martin, M. J., Thomsen, Jan Westenkær, Boyd, M. M. & Ye, J., 2008, In: European Physical Journal. Special topics. 163, 1, p. 9-18 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Ultracold group II atoms: Quantum metrology and information

    Campbell, G., Lodewyck, J. & Thomsen, Jan Westenkær, 2009, Maryland

    Research output: Other contribution › Research

  3. Published

    Two-photon cooling of magnesium atoms

    Malossi, N., Damkjær, S., Hansen, P. L., Jacobsen, L. B., Kindt, L., Sauge, S., Thomsen, Jan Westenkær, Cruz, F. C., Allegrini, M. & Arimondo, E., 2005, In: Physical Review A (Atomic, Molecular and Optical Physics). 72, p. 051403(R) 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Towards passive and active laser stabilization using cavity-enhanced atomic interaction

    Schäffer, Stefan Alaric, Christensen, B. T. R., Rathmann, S. M., Appel, Martin Hayhurst, Henriksen, M. R. & Thomsen, Jan Westenkær, 19 Jun 2017, In: Journal of Physics - Conference Series. 810, 1, 7 p., 012002.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Towards Molecular Clocks Using Large Waist Cavity Enhanced Spectroscopy: FACT workshop

    Adsersen, S. S., Henriksen, M. R., Schäffer, Stefan Alaric & Thomsen, Jan Westenkær, 1 Sep 2015

    Research output: Other contribution › Research

  6. Published

    Towards Actively Stabilized Micro Ring Resonator Based Frequency Combs

    Henriksen, M. R., Kamel, A. N., Pu, M., Yvind, K. & Thomsen, Jan Westenkær, 2017, 2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO). San Jose, USA: Optical Society of America, JTh2A.88. (Conference on Lasers and Electro-Optics).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  7. Published

    The absolute frequency of the 87Sr optical clock transition

    Campbell, G. K., Ludlow, A. D., Blatt, S., Thomsen, Jan Westenkær, Martin, M. J., de Miranda, M. H. G., Zelevinsky, T., Boyd, M. M., Ye, J., Diddams, S. A., Heavner, T. P., Parker, T. E. & Jefferts, S. R., 2008, In: Metrologia. 45, 5, p. 539-548 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Subnatural Linewidth Superradiant Lasing with Cold 88Sr Atoms

    Kristensen, Sofus Laguna, Bohr, Eliot, Robinson-Tait, Julian Curry, Zelevinsky, Tanya, Thomsen, Jan Westenkær & Müller, Jörg Helge, 2 Jun 2023, In: Physical Review Letters. 130, 22, 5 p., 223402.

    Research output: Contribution to journal › Letter › Research › peer-review

  9. Published

    State propensities in electron transfer processes from optically prepared states: H+ + Na(3s,3p) ¿ H(n=2,3) + Na+

    Salgado, J., Thomsen, Jan Westenkær, Andersen, Nils Overgaard, Dowek, D., Dubois, A., Houver, J. C., Nielsen, S. E., Reiser, I. & Svensson, Anders, 1997, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 30, 13, p. 3059-3075

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Spatial dependence of electron transfer from optically prepared states: Li+ + Na(3p) ¿: Li(2p) + Na+

    Thomsen, Jan Westenkær, Salgado, J., Andersen, Nils Overgaard, Dowek, D., Dubois, A., Houver, J. C., Nielsen, S. E. & Svensson, Anders, 1999, In: J. Phys. B: At. Mol. Opt. Phys.. 32, p. 5189-5204

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Spatial dependence of electron transfer from optically prepared states: Li+ +Na(3p) -> Li(2p) + Na+

    Andersen, N. & Thomsen, Jan Westenkær, 1999, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 32, p. 5189-5204

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Single Dark-Pulse Kerr Comb Supporting 1.84 Pbit/s Transmission over 37-Core Fiber

    Kong, D., Jorgensen, A. A., Henriksen, M. R., Klejs, F., Ye, Z., Helgason, O. B., Hansen, H. E., Hu, H., Yankov, M., Forchhammer, S., Andrekson, P., Larsson, A., Karlsson, M., Schroeder, J., Sasaki, Y., Aikawa, K., Thomsen, J. W., Morioka, T., Galili, M., Torres-Company, V. & 1 others, Oxenlowe, L. K., 10 May 2020, 2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO). San Jose, California, USA: IEEE, 2 p. JTh4A.7. (Conference on Lasers and Electro-Optics).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  13. Published

    SAGE: A proposal for a space atomic gravity explorer

    Tino, G. M., Bassi, A., Bianco, G., Bongs, K., Bouyer, P., Cacciapuoti, L., Capozziello, S., Chen, X., Chiofalo, M. L., Derevianko, A., Ertmer, W., Gaaloul, N., Gill, P., Graham, P. W., Hogan, J. M., Iess, L., Kasevich, M. A., Katori, H., Klempt, C., Lu, X. & 27 others, Ma, L., Mueller, H., Newbury, N. R., Oates, C. W., Peters, A., Poli, N., Rasel, E. M., Rosi, G., Roura, A., Salomon, C., Schiller, S., Schleich, W., Schlippert, D., Schreck, F., Schubert, C., Sorrentino, F., Sterr, U., Thomsen, Jan Westenkær, Vallone, G., Vetrano, F., Villoresi, P., von Klitzing, W., Wilkowski, D., Wolf, P., Ye, J., Yu, N. & Zhan, M., 1 Nov 2019, In: The European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics. 73, 11, 228.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Resonant energy transfer in Bose-Einstien condensates

    Nicolin, A., Jensen, Mogens Høgh, Thomsen, Jan Westenkær & Carretero-Gonxález, R., 2008, In: Physica D : Non-linear Phenomena. 237, 19, p. 2476-2481

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Rabi spectroscopy and excitation inhomogeneity in a one-dimensional optical lattice clock

    Blatt, S., Thomsen, Jan Westenkær, Campbell, G. K., Ludlow, A. D., Swallows, M. D., Martin, M. J., Boyd, M. M. & Ye, J., 2009, In: Physical Review A (Atomic, Molecular and Optical Physics). 80, 5, p. 052703

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Precision measurement of fermionic collisions using an 87Sr optical lattice clock with 1 × 10-16 inaccuracy

    Swallows....[et al.], M. D., Campbell, G. K., Boyd, M. M. & Thomsen, Jan Westenkær, 4 Mar 2010, In: IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control. 57, 3, p. 574-582 8 p.

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

  17. Published

    Polarisation effects in electron transfer reactions with laser excited Na (3p) at medium energies

    Richter, C., Andersen, N., Dowek, D., Houver, J. C., Salgado, J. & Thomsen, Jan Westenkær, 1994, In: Z.Physik D. 30, p. 211-215

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Photoionization of ultracold and Bose-Einstein condensed Rb atoms

    Campini, D., Anderlini, M., Muller, J. H., Fuso, F., Morsch, O., Thomsen, Jan Westenkær & Arimondo, E., 2002, In: Physical Review A (Atomic, Molecular and Optical Physics). 66, 6, p. 043409

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Photoassociation spectroscopy of cold He(23S) atoms

    Thomsen, Jan Westenkær, 2000, In: Physical Review Letters. 84, 9, p. 1874-1877 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Petabit-per-second data transmission using a chip-scale microcomb ring resonator source

    Jorgensen, A. A., Kong, D., Henriksen, M. R., Klejs, F., Ye, Z., Helgason, O. B., Hansen, H. E., Hu, H., Yankov, M., Forchhammer, S., Andrekson, P., Larsson, A., Karlsson, M., Schroder, J., Sasaki, Y., Aikawa, K., Thomsen, J. W., Morioka, T., Galili, M., Torres-Company, V. & 1 others, Oxenlowe, L. K., 20 Oct 2022, In: Nature Photonics. 16, p. 798-802 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    P-state-to-P-state transitions in optically prepared atomic collisions: III. A complete analysis of Li+ + Na(3p)¿Li(2p) + Na+ differential scattering

    Dowek, D., Reiser, I., Grego, S., Andersen, Nils Overgaard, Dubois, A., Houver, J. C., Nielsen, S. E., Richter, C., Salgado, J., Svensson, Anders & Thomsen, Jan Westenkær, 2002, In: Journal of Physics B. 35, 9, p. 2051-2068 17 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Orbital alignment dependence of electron transfer in H+ - Na(3p) collisions in the velocit matching region

    Thomsen, Jan Westenkær, Andersen, N., Holme, N. C. R., Kmit, M., Lauritsen, J. H. V., Meijer, H. A. J., Nielsen, S. E., Müller, U., Pedersen, J. O. P., Richter, C. & Sidky, E., 1994, In: Abstracts of Contributed Papers, ICAP-14. p. 2Q-3

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Orbital alignment dependence of electron transfer cross sections. IV: 1-15 keV Ne+, Ar+-Na(3p) collisions

    Thomsen, Jan Westenkær, Andersen, Nils Overgaard, Dowek, D., Houver, J. C., Lauritsen, J. H. V., Müller, U., Pedersen, J. O. P., Salgado, J. & Svensson, Anders, May 1996, In: Zeitschrift fur Physik D-Atoms Molecules and Clusters. 37, 2, p. 133-139 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Orbital alignment dependence of electron transfer cross sections IV. 1-15 keV Ne+, Ar+-Na(3p) collisions

    Thomsen, Jan Westenkær, Andersen, Nils Overgaard, Dowek, D., Houver, J., Lauritsen, J., Müller, U., Pedersen, J., Salgado, J. & Svensson, Anders, 1996, In: Zeitschrift für Physik D. 37, 2, p. 133-137

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Orbital alignment dependence of electron transfer cross sections II: 1-15 keV He+ - Na(3p) collisions

    Thomsen, Jan Westenkær, Andersen, N., Dowek, D., Houver, J. C., Larsson, M., Lauritsen, J. H. V., Müller, U., Pedersen, J. O. P., Salgado, J. & Svensson, A., 1995, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 28, p. L93-L99

    Research output: Contribution to journal › Journal article › Research › peer-review

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