Publications
2025
- Perspective: Quantum gases in bubble traps Romain Dubessy and Hélène Perrin AVS Quantum Sci. 7, 010501 (2025). Paper / preprint
2024
- Self-diffusion in a strongly coupled non-neutral plasma Marco Baldovin, Grégoire Vallet, Gaetan Hagel, Emmanuel Trizac and Caroline Champenois Phys. Rev. A 109, 043116 (2024). Paper / Preprint
2023
- Thermal bistability in laser-cooled trapped ions A. Poindron, J. Pedregosa-Gutierrez and C. Champenois Phys. Rev. A 108, 013109 (2023). Paper / Preprint
2021
- Non-destructive detection of large molecules without mass limitation A. Poindron, J. Pedregosa-Gutierrez, C. Jouvet, M. Knoop, and C. Champenois J. Chem. Phys. 154, 184203 (2021). Paper / Preprint
- An analytical approach to symmetry breaking in multipole RF-traps M. Marchenay, J. Pedregosa-Gutierrez, M. Knoop, M. Houssin and C. Champenois Quantum Science and Technology special issue 6, 024016 (2021). Paper / Preprint
2019
- Experimental Demonstration of Three-Photon Coherent Population Trapping in an Ion Cloud M. Collombon, C. Chatou, G. Hagel, J. Pedregosa-Gutierrez, M. Houssin, M. Knoop, and C. Champenois Phys. Rev. Applied 12, 034035 (2019). Paper / Preprint
- Phase transfer between three visible lasers for coherent population trapping M. Collombon, G. Hagel, C. Chatou, D. Guyomarc'h, D. Ferrand, M. Houssin, C. Champenois and M. Knoop Optics Letters 44 859 (2019). Paper / Preprint
2018
- Correcting symmetry imperfections in linear multipole traps J. Pedregosa-Gutierrez, C. Champenois, M. Houssin, M. R. Kamsap, and M. Knoop Review of Scientific Instruments 89, 123101 (2018). Paper / Preprint
- Conditions for anti-Zeno-effect observation in free-space atomic radiative decay E. Lassalle, C. Champenois, B. Stout, V. Debierre, and T. Durt Phys. Rev. A 97, 062122 (2018). Paper / Preprint
2017
- Symmetry breaking in linear multipole traps J. Pedregosa-Gutierrez, C. Champenois, M. R. Kamsap, G. Hagel, M. Houssin and M. Knoop Journal of Modern Optics 65, 529 (2017). Paper / Preprint
- Noise characterization of an Optical Frequency Comb using Offline Cross-Correlation R. Khayatzadeh, M. Collombon, D. Guyomarc’h, D. Ferrand, G. Hagel, M. Houssin, O. Morizot, C. Champenois and M. Knoop IEEE Photonics Technology Letters 29 322 (2017). Paper / Preprint
- Experimental demonstration of an efficient number diagnostic for long ion chains M. R. Kamsap, C. Champenois, J. Pedregosa-Gutierrez, S. Mahler, M. Houssin, and M. Knoop Phys. Rev. A 95 013413 (2017). Paper / Preprint
2015
- Laser, atomes, horloges M. Knoop and C. Champenois Marseille, La revue culturelle de la Ville de Marseille 249, 23 (2015).
- Fast and efficient transport of large ion clouds M. R. Kamsap, J. Pedregosa-Gutierrez, C. Champenois, D. Guyomarc'h, M. Houssin and M. Knoop Phys. Rev. A 92 043416 (2015). Paper / Preprint
- Fast accumulation of ions in a dual trap M. R. Kamsap, C. Champenois, J. Pedregosa-Gutierrez, M. Houssin and M. Knoop European Physics Letters 110, 63002 (2015). Paper / Preprint
- Ion transport in macroscopic RF linear traps J. Pedregosa-Gutierrez, C. Champenois, M. R. Kamsap and M. Knoop Int. J. Mass Spectr. 381, 33 (2015). Paper / Preprint
2013
- Coherent internal state transfer by three-photon STIRAP-like scheme for many-atom samples M. R. Kamsap, T. B. Ekogo, J. Pedregosa-Gutierrez, G. Hagel, M. Houssin, O. Morizot, M. Knoop and C. Champenois J. Phys. B, At. Mol. Opt. Phys. 46, 145502 (2013). 145502. Paper / Preprint
- A double ion trap for large Coulomb crystals C. Champenois, J. Pedregosa-Guttierez, M. Marciante, D. Guyomarc'h, M. Houssin and M. Knoop AIP Conf. Proc. 1521, 210 (2013). Paper / Preprint
2012
- Structural phase transitions in multipole traps M. Marciante, C. Champenois, A. Calisti and M. Knoop Appl Phys B 107, 1117–1123 (2012). Paper / Preprint
2011
- Parallel ion strings in linear multipole traps M. Marciante, C. Champenois, J. Pedregosa-Guttierez, A. Calisti and M. Knoop Phys. Rev. A 83, 021404 (2011). Paper / Preprint
- Quest for the time operator with a single trapped ion C. Champenois and T. Durt Int. J. Quantum Information 9, 189 (2011). Paper
2010
- Ion dynamics in a linear radio-frequency trap with a single cooling laser M. Marciante, C. Champenois, A. Calisti, J. Pedregosa-Guttierez and M. Knoop Phys. Rev. A. 82, 033406 (2010). Paper / Preprint
- Ion ring in a linear multipole trap for optical frequency metrology C. Champenois, M. Marciante, M. Kajita, J. Pedregosa-Gutteriez, M. Houssin and M. Knoop Phys. Rev. A. 81, 043410 (2010). Paper / Preprint
- Anharmonic contributions in real RF linear quadrupole traps J. Pedregosa, C. Champenois, M. Houssin and M. Knoop International Journal of Mass Spectrometry 290, 100–105 (2010). Paper / Preprint
2009
- Crystallization and thermodynamics of ion clouds in octupolar traps: structural transitions, core melting, and scaling laws F. Calvo, C. Champenois and E. Yurtsever Phys. Rev. A. 80, 063401 (2009). Paper / Preprint
- Tutorial: About the dynamics and thermodynamics of trapped ions C. Champenois J. Phys. B 42, 154002 (2009). Paper / Preprint
2008
- Index of refraction of gases for matter waves: Effect of the motion of the gas particles on the calculation of the index C. Champenois, M. Jacquey, S. Lepoutre, M. Büchner, G. Trénec and J. Vigué Phys. Rev. A. 77, 013621 (2008). Paper / Preprint
- Two-step Doppler cooling of a three-level ladder system with an intermediate metastable level C. Champenois, G. Hagel, M. Knoop, M. Houssin, C. Zumsteg, F. Vedel and M. Drewsen Phys. Rev. A. 77, 033411 (2008). Paper / Preprint
- Doppler cooling of calcium ions using a dipole-forbidden transition Richard J. Hendricks, Jens L. Sørensen, Caroline Champenois, Martina Knoop and Michael Drewsen Phys. Rev. A 77, 021401 (2008). Paper / Preprint
2007
- Terahertz Frequency Standard Based on Three-Photon Coherent Population Trapping C. Champenois, G. Hagel, M. Houssin, M. Knoop, C. Zumsteg and F. Vedel Phys. Rev. Lett. 99, 013001 (2007). Paper / Preprint
2006
- Quantum coherence and population trapping in three-photon processes C. Champenois, G. Morigi and J. Eschner Phys. Rev. A 74, 053404 (2006). Paper / Preprint
2005
- Long-term stabilization of the length of an optical reference cavity G. Hagel, M. Houssin, M. Knoop, C. Champenois, M. Vedel and F. Vedel Review of Scientific Instruments 76, 123101 (2005). Paper / Preprint
- Dark resonances as a probe for the motional state of a single ion C. Lisowski, M. Knoop, C. Champenois, G. Hagel, M. Vedel and F. Vedel Appl. Phys. B 81, 5-12 (2005). Paper / Preprint
2004
- Evaluation of the ultimate performances of a Ca+ single-ion frequency standard C. Champenois, M. Houssin, C. Lisowski, G. Hagel, M. Knoop, M. Vedel and F. Vedel Phys. Lett. A 331, 298 (2004). Paper / Preprint
- Metastable level lifetimes from electron-shelving measurements in ion clouds and single ions M. Knoop, C. Champenois, G. Hagel, M. Houssin, C. Lisowski, M. Vedel and F. Vedel Eur. Phys. J. D 29, 163 (2004). Paper / Preprint
2003
- Linewidth reduction by 6 orders of magnitude of a broad-area 729 nm diode laser M. Houssin, P. Courteille, C. Champenois, M. Herbane, M. Knoop, M. Vedel and F. Vedel Applied Optics 42, 4871 (2003). Paper / Preprint
- Diffraction phases in atom interferometers M. Büchner, R. Delhuille, A. Miffre, C. Robilliard, J. Vigué and C. Champenois Phys. Rev. A 68, 013607 (2003). Paper / Preprint
2002
- High-contrast Mach-Zehnder lithium-atom interferometer in the Bragg regime R. Delhuille, C. Champenois, M. Büchner, L. Jozefowski, C. Rizzo, G. Trénec and J. Vigué Appl. Phys. B 74, 489 (2002). Paper / Preprint
2001
PhD thesis
- PhD 2022, Adrien Gilles Poindron Detection of a giant molecule with a trapped ion cloud. Full text (English)
- PhD 2020, Marylise Marchenay Intérêt d'un piège multipolaire pour améliorer la stabilité en fréquence d'une horloge micro-ondes à ions confinés. Full text (English)
- PhD 2019, Matthieu Collombon Three photon dark resonance in a confined cloud of calcium ions. Full text (French)
- PhD 2015, Marius Romuald Kamsap Microwave ion clock : analysis and transport of an ion cloud in a trap with several zones. Full text (French)
- PhD 2011, Mathieu Marciante Dynamique d'ions en pièges radiofréquences. Full text (French)
- PhD 2010, Cédric Zumsteg Ultra high resolution spectroscopy of a single calcium ion. Full text (French)