Anne Amy-Klein

UNIVERSITY PROFESSOR

Bureau: D015, Campus Villetaneuse

Research group website
Laboratory website

My research background:

I am a physics professor at the Laboratoire de Physique des Lasers, and director of this laboratory since 2019. I did a thesis on resonant wave mixing in gaseous atomic media, then became an associate professor and studied spectroscopy of atoms in the vicinity of dielectric surfaces. I then joined the LPL’s Metrology, Molecules and Fundamental Tests team, which focuses on precision measurements, in particular ultra-high resolution spectroscopy of molecules. The aim is to discover new physical effects beyond current theories, by comparing ultra-precise measurements with the values expected by the various existing physical models.

I’m currently working on the dissemination of ultra-stable frequency signals via optical fibers and the development of the REFIMEVE national research infrastructure. This opens up a wide range of applications, including clock comparisons, fundamental physics tests, and quantum communications.

Courses taught:

  • Physique Quantique 2 : Formalisme de la physique quantique

Research themes:

  • Molecular spectroscopy
  • Dissemination of ultrastable time and frequency signals
Tuning of the position of a crystal in an optical setup for sum-frequency generation.

A few selected articles

  • M. Schioppo, J. Kronjäger, A. Silva, R. Ilieva, J. W. Paterson, C. F. A. Baynham, W. Bowden, I. R. Hill, R. Hobson, A. Vianello, M. Dovale-Álvarez, R. A. Williams, G. Marra, H. S. Margolis, A. Amy-Klein, O. Lopez, E. Cantin, H. Álvarez-Martínez, R. Le Targat, P. E. Pottie, N. Quintin, T. Legero, S. Häfner, U. Sterr, R. Schwarz, S. Dörscher, C. Lisdat, S. Koke, A. Kuhl, T. Waterholter, E. Benkler, and G. Grosche, «Comparison of ultrastable lasers at 7×10-17 fractional frequency instability through a 2,220 km long optical fibre link network», Nat. Comm. 13, 212 (2022).
    DOI: 10.1038/s41467-021-27884-3
  • E. Cantin, M. Tønnes, R. Le Targat, A. Amy-Klein, O. Lopez, P.-E. Pottie, «An accurate and robust metrological network for coherent optical frequency dissemination», New J. Phys. 23, 053027 (2021).
    DOI: 10.1088/1367-2630/abe79e
  • B. Argence, B. Chanteau, O. Lopez, D. Nicolodi, M. Abgrall, C. Chardonnet, C. Daussy, B. Darquié, Y. Le Coq and A. Amy-Klein, «Quantum cascade laser frequency stabilization at the sub-Hz-level», Nature Photon 9, 456 (2015).
    DOI: 10.1038/nphoton.2015.93
69 documents

  • Sebastian Koke, Alexander Kuhl, Thomas Waterholter, Sebastian M.F. Raupach, Olivier Lopez, et al.. Combining fiber Brillouin amplification with a repeater laser station for fiber-based optical frequency dissemination over 1400 km. New Journal of Physics, 2019, 21 (12), pp.123017. ⟨10.1088/1367-2630/ab5d95⟩. ⟨hal-02417069⟩
  • D.B.A. Tran, R. Santagata, O. Lopez, S. Tokunaga, Michel Abgrall, et al.. High-Precision Mid-IR Molecular Spectroscopy with Traceability to Primary Standards. 2018 Conference on Precision Electromagnetic Measurements (CPEM 2018), Jul 2018, Paris, France. pp.1-2, ⟨10.1109/CPEM.2018.8501188⟩. ⟨hal-02410557⟩
  • Dan Xu, Won-Kyu Lee, Fabio Stefani, Olivier Lopez, Anne Amy-Klein, et al.. Studying fundamental limit of optical fiber links to 10 −21 level. Optics Express, 2018, 26, pp.9515-9527. ⟨hal-01801770⟩
  • Dan Xu, Won-Kyu Lee, Fabio Stefani, Olivier Lopez, Anne Amy-Klein, et al.. Studying fundamental limit of optical fiber links to $10^{-21}$ level. Optics Express, 2018, 26 (8), pp.9515-9527. ⟨10.1364/OE.26.009515⟩. ⟨hal-02283571⟩
  • F Guillou-Camargo, V Ménoret, E. Cantin, O. Lopez, N Quintin, et al.. First industrial-grade coherent fiber link for optical frequency standard dissemination. Applied optics, 2018, ⟨10.1364/AO.57.007203⟩. ⟨hal-01860814⟩
  • P. Delva, J. Lodewyck, S. Bilicki, E. Bookjans, Guy Vallet, et al.. Test of Special Relativity Using a Fiber Network of Optical Clocks. Physical Review Letters, 2017, 118 (22), ⟨10.1103/PhysRevLett.118.221102⟩. ⟨hal-02270618v2⟩
  • J Guéna, S Weyers, Michel Abgrall, C Grebing, V Gerginov, et al.. First international comparison of fountain primary frequency standards via a long distance optical fiber link. Metrologia, 2017, ⟨10.1088/1681-7575/aa65fe⟩. ⟨hal-01487651⟩
  • Won-Kyu Lee, Fabio Stefani, Anthony Bercy, Olivier Lopez, A. Amy-Klein, et al.. Hybrid fiber links for accurate optical frequency comparison. Applied Physics B - Laser and Optics, 2017, 123 (5), pp.348 - 354. ⟨10.1007/s00340-017-6736-5⟩. ⟨hal-01789189⟩
  • Won-Kyu Lee, Fabio Stefani, Anthony Bercy, Olivier Lopez, Anne Amy-Klein, et al.. Hybrid fiber links for accurate optical frequency comparisons. 2017. ⟨hal-01455766⟩
  • C. Lisdat, G. Grosche, N. Quintin, C. Shi, M. Raupach, et al.. A clock network for geodesy and fundamental science. Nature Communications, 2016, 7, ⟨10.1038/ncomms12443⟩. ⟨hal-01789204⟩

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