Experimental quantum optics, ultracold atoms, and nanoscience. In particular: many-body physics of Bose-Einstein condensates, atom chips, atom interferometry, quantum metrology, quantum interfaces of atoms and solid-state nanosystems, nanomechanical oscillators, optomechanics, quantum memories, quantum dot single photon sources, field imaging with atomic vapor cells.

See also the short biography on the department webpage and my profiles on Google scholar citations and ResearcherID

1. Y. Li, L. Joosten, Y. Baamara, P. Colciaghi, A. Sinatra, P. Treutlein, and T. Zibold
   Multiparameter estimation with an array of entangled atomic sensors,
   Science 391, 6783 374-378 (2026).
2. G.-L. Schmid, M. Bosch Aguilera, C. T. Ngai, M. Ernzer, L. C. C. P. Filho, D. Høj, U. L. Andersen, F. Goschin, and P. Treutlein
   Squeezing light with optomechanical and spin-light quantum interfaces,
   C. R. Phys. 26, 641-657 (2025).
3. Y. Shi, T. Ruster, M. Ho, S. Karlen, J. Haesler, and P. Treutlein
   Broad Instantaneous Bandwidth Microwave Spectrum Analyzer with a Microfabricated Atomic Vapor Cell,
   Phys. Rev. X 14, 041043 (2024)
4. M. Fadel, P. Treutlein, and A. Sinatra
   Effective Faraday interaction between light and nuclear spins of helium-3 in its ground state: a semiclassical study,
   New J. Phys. 26, 103037 (2024).
5. R. Mottola, G. Buser, and P. Treutlein
   Scalable optical memories in MEMS vapor cells for quantum networking,
   SPG Mitteilungen - Communications de la SSP 73, 29–33 (2024).
6. R. Mottola, G. Buser, and P. Treutlein
   Optical memory in a microfabricated rubidium vapor cell,
   Phys. Rev. Lett. 131, 260801 (2023).
7. R. Mottola, G. Buser, and P. Treutlein
   Electromagnetically induced transparency and optical pumping in the hyperfine Paschen-Back regime,
   Phys. Rev. A 108, 062820 (2023).
8. P. Colciaghi, Y. Li, P. Treutlein, and T. Zibold
   Einstein-Podolsky-Rosen experiment with two Bose-Einstein condensates,
   Phys. Rev. X 13, 021032 (2023).
9. M. Ernzer, M. Bosch Aguilera, M. Brunelli, G.-L. Schmid, T. M. Karg, C. Bruder, P. P. Potts, and P. Treutlein
   Optical coherent feedback control of a mechanical oscillator,
   Phys. Rev. X 13, 021023 (2023).
10. G. Buser, R. Mottola, B. Cotting, J. Wolters, and P. Treutlein
    Single-photon storage in a ground-state vapor cell quantum memory,
    PRX Quantum 3, 020349 (2022).
11. G.-L. Schmid, C. T. Ngai, M. Ernzer, M. Bosch Aguilera, T. M. Karg, and P. Treutlein
    Coherent feedback cooling of a nanomechanical membrane with atomic spins,
    Phys. Rev. X 12, 011020 (2022).
12. A. Serafin, M. Fadel, P. Treutlein, and A. Sinatra
    Nuclear Spin Squeezing in Helium-3 by Continuous Quantum Nondemolition Measurement,
    Phys. Rev. Lett. 127, 013601 (2021).
13. A. Serafin, Y. Castin, M. Fadel, P. Treutlein, and A. Sinatra,
    Nuclear spin squeezing by continuous quantum non-demolition measurement: a theoretical study,
    Comptes Rendus. Physique 22, 1 1-35 (2021)
     
14. B. Morris, B. Yadin, M. Fadel, T. Zibold, P. Treutlein, and G. Adesso
    Entanglement between Identical Particles Is a Useful and Consistent Resource,
    Phys. Rev. X 10, 041012 (2020).
     
15. L. Zhai, M. C. Löbl, J.-P. Jahn, Y. Hou, P. Treutlein, O. G. Schmidt, A. Rastelli, and R. J. Warburton
    Large-range frequency tuning of a narrow-linewidth quantum emitter,
    Appl. Phys. Lett. 117, 083106 (2020).
     
16. T. M. Karg, B. Gouraud, C. T. Ngai, G.-L. Schmid, K. Hammerer, and P. Treutlein
    Light-mediated strong coupling between a mechanical oscillator and atomic spins one meter apart,
    Science 369, 6500 174-179 (2020).
     
17. Y. Li, K. Pawłowski, B. Décamps, P. Colciaghi, M. Fadel, P. Treutlein, and T. Zibold
    Fundamental limit of phase coherence in two-component Bose-Einstein condensates,
    Phys. Rev. Lett. 125, 123402 (2020).
     
18. P. Treutlein
    Atom Optomechanics,
    in: Quantum Optomechanics and Nanomechanics, Lecture Notes of the Les Houches Summer School: Volume 105, August 2015, ed. by P.-F. Cohadon, J. Harris, F. Marquardt, and L. Cugliandolo (Oxford University Press, Oxford, United Kingdom, 2020), pp. 329-368.
     
19. R. Mottola, G. Buser, C. Müller, T. Kroh, A. Ahlrichs, S. Ramelow, O. Benson, P. Treutlein, and J. Wolters
    An efficient, tunable, and robust source of narrow-band photon pairs at the 87Rb D1 line,
    Opt. Express 28, 3 3159-3170 (2020).
     
20. T. M. Karg, B. Gouraud, P. Treutlein, and K. Hammerer
    Remote Hamiltonian interactions mediated by light,
    Phys. Rev. A 99, 063829 (2019).
     
21. F. Fröwis, M. Fadel, P. Treutlein, N. Gisin, and N. Brunner
    Does large quantum Fisher information imply Bell correlations?
    Phys. Rev. A 99, 040101(R) (2019).
     
22. A. Horsley, P. Appel, J. Wolters, J. Achard, A. Tallaire, P. Maletinsky, and P. Treutlein,
    Microwave device characterisation using a widefield diamond microscope,
    Phys. Rev. Appl. 10, 044039 (2018).
     
23. L. Pezzè, A. Smerzi, M. K. Oberthaler, R. Schmied, and P. Treutlein,
    Quantum metrology with nonclassical states of atomic ensembles 
    Rev. Mod. Phys. 90, 035005 (2018).
     
24. L. Béguin, J.-P. Jahn, J. Wolters, M. Reindl, R. Trotta, A. Rastelli, F. Ding, Y. Huo, O. G. Schmidt, P. Treutlein, and R. Warburton,
    On-demand semiconductor source of 780 nm single photons with controlled temporal wave packets,
    Phys. Rev. B 97, 205304 (2018).
     
25. M. Fadel, T. Zibold, B. Décamps, and P. Treutlein,
    Spatial entanglement patterns and Einstein-Podolsky-Rosen steering in Bose-Einstein condensates,
    Science, 360, 409-413 (2018).
     
26. A. Vochezer, T. Kampschulte, K. Hammerer, and P. Treutlein, 
    Light-Mediated Collective Atomic Motion in an Optical Lattice Coupled to a Membrane,
    Phys. Rev. Lett. 120, 073602 (2018).
     
27. S. Wagner, R. Schmied, M. Fadel, P. Treutlein, N. Sangourd, and J.-D. Bancal,
    Bell correlations in a many-body system with finite statistics,
    Phys. Rev. Lett. 119, 170403 (2017).
     
28. J. Wolters, G. Buser, A. Horsley, L. Béguin, A. Jöckel, J.-P. Jahn, R. J. Warburton, and P. Treutlein, 
    Simple atomic quantum memory suitable for semiconductor quantum dot single photons,
    Phys. Rev. Lett. 119, 060502 (2017).
     
29. K. Pawłowski, M. Fadel, P. Treutlein, Y. Castin, and A. Sinatra, 
    Mesoscopic quantum superpositions in bimodal Bose-Einstein condensates: Decoherence and strategies to counteract it,
    Phys. Rev. A 95, 063609 (2017).
     
30. E. Oudot, J.-D. Bancal, R. Schmied, P. Treutlein, and N. Sangouard
    Optimal entanglement witnesses in a split spin-squeezed Bose-Einstein condensate,
    Phys. Rev. A 95, 052347 (2017).
     
31. P. Treutlein,
    Photon qubit is made of two colors,
    Physics 9, 135 (2016).
     
32. A. Horsley and P. Treutlein,
    Frequency-tunable microwave field detection in an atomic vapor cell,
    Appl. Phys. Lett. 108, 211102 (2016).
     
33. R. Schmied, J.-D. Bancal, B. Allard, M. Fadel, V. Scarani, P. Treutlein, N. Sangouard,
    Bell correlations in a Bose-Einstein condensate,
    Science 352, 441 (2016).
     
34. B. Allard, M. Fadel, R. Schmied, and P. Treutlein,
    Sideband Rabi spectroscopy of finite-temperature trapped Bose gases,
    Phys. Rev. A 93, 043624 (2016).
     
35. J.-P. Jahn, M. Munsch, L. Béguin, A. V. Kuhlmann, M. Renggli, Y. Huo, F. Ding, R. Trotta, M. Reindl, O. G. Schmidt, A. Rastelli, P. Treutlein, and R. J. Warburton,
    An artificial Rb atom in a semiconductor with lifetime-limited linewidth,
    Phys. Rev. B 92, 245439 (2015).
     
36. A. Horsley, G.-X. Du, and P. Treutlein,
    Widefield Microwave Imaging in Alkali Vapor Cells with sub-100 um Resolution,
    New Journal of Physics 17, 112002 (2015), Fast Track Communication.
     
37. P. Treutlein,
    Nanomechanical answer to Einstein,
    Nature Nanotechnology 10, 832 (2015).
     
38. C. Affolderbach, G.-X. Du, T. Bandi, A. Horsley, P. Treutlein, and G. Mileti,
    Imaging Microwave and DC Magnetic Fields in a Vapor-Cell Rb Atomic Clock,
    IEEE Trans. Instrum. Meas. 64, 3629 (2015).
     
39. B. Vogell, T. Kampschulte, M. T. Rakher, A. Faber, P. Treutlein, K. Hammerer, and P. Zoller,
    Long distance coupling of a quantum mechanical oscillator to the internal states of an atomic ensemble,
    New J. Phys. 17, 043044 (2015).
     
40. A. Jöckel, A. Faber, T. Kampschulte, M. Korppi, M. T. Rakher, and P. Treutlein,
    Sympathetic cooling of a membrane oscillator in a hybrid mechanical-atomic system,
    Nature Nanotechnology 10, 55 (2015).
     
41. P. Treutlein, C. Genes, K. Hammerer, M. Poggio, and P. Rabl,
    Hybrid Mechanical Systems,
    in: "Cavity Optomechanics", ed. by M. Aspelmeyer, T. J. Kippenberg, and F. Marquardt (Springer, 2014) pp. 327-351.
     
42. P. Treutlein,
    Optomechanics: A strained couple,
    Nature Nanotechnology 9, 99 (2014).
     
43. A. V. Lebedev, P. Treutlein, and G. Blatter,
    Sequential quantum-enhanced measurement with an atomic ensemble,
    Phys. Rev. A 89, 012118 (2014).
     
44. A. Horsley, G.-X. Du, M. Pellaton, C. Affolderbach, G. Mileti, and P. Treutlein,
    Imaging of relaxation times and microwave field strength in a microfabricated vapor cell,
    Phys. Rev. A 88, 063407 (2013).
     
45. M. T. Rakher, R. J. Warburton, and P. Treutlein,
    Prospects for storage and retrieval of a quantum-dot single photon in an ultracold 87Rb ensemble,
    Phys. Rev. A 88, 053834 (2013).
     
46. H. Kurkjian, K. Pawlowski, A. Sinatra, and P. Treutlein,
    Spin squeezing and EPR entanglement of two bimodal condensates in state-dependent potentials,
    Phys. Rev. A 88, 043605 (2013).
     
47. C. F. Ockeloen, R. Schmied, M. F. Riedel, and P. Treutlein,
    Quantum metrology with a scanning probe atom interferometer,
    Phys. Rev. Lett. 111, 143001 (2013).
     
48. M. Korppi, A. Jöckel, Matthew T. Rakher, S. Camerer, D. Hunger, T. W. Hänsch, and P. Treutlein,
    Hybrid atom-membrane optomechanics,
    EPJ Web of Conferences 57, 03006 (2013).
     
49. A. Horsley, G.-X. Du, P. Treutlein, M. Pellaton, C. Affolderbach, and G. Mileti,
    Spatially resolved measurement of relaxation times in a microfabricated vapor cell,
    European Frequency and Time Forum & International Frequency Control Symposium (EFTF/IFC), Prague, 2013, pp. 575-578.
     
50. B. Vogell, K. Stannigel, P. Zoller, K. Hammerer, M. T. Rakher, M. Korppi, A. Jöckel, and P. Treutlein,
    Cavity-enhanced long-distance coupling of an atomic ensemble to a micromechanical membrane,
    Phys. Rev. A 87, 023816 (2013).
     
51. P. Böhi and P. Treutlein,
    Simple microwave field imaging technique using hot atomic vapor cells,
    Appl. Phys. Lett. 101, 181107 (2012).
     
52. P. Treutlein,
    A Single Spin Feels the Vibrations,
    Science 335, 1584 (2012).
     
53. S. Camerer, M. Korppi, A. Jöckel, D. Hunger, T. W. Hänsch, and P. Treutlein,
    Realization of an optomechanical interface between ultracold atoms and a membrane,
    Phys. Rev. Lett. 107, 223001 (2011).
     
54. A. Jöckel, M. T. Rakher, M. Korppi, S. Camerer, D. Hunger, M. Mader, and P. Treutlein,
    Spectroscopy of mechanical dissipation in micro-mechanical membranes,
    Appl. Phys. Lett. 99, 143109 (2011).
     
55. A. Negretti, P. Treutlein, and T. Calarco,
    Quantum computing implementations with neutral particles,
    Quantum Inf. Process. 10, 721 (2011).
     
56. D. Hunger, S. Camerer, M. Korppi, A. Jöckel, T. W. Hänsch, and P. Treutlein,
    Coupling ultracold atoms to mechanical oscillators,
    C. R. Physique 12, 871 (2011).
     
57. P. Treutlein, A. Negretti, and T. Calarco,
    Quantum Information Processing with Atom Chips,
    in: "Atom Chips", ed. by J. Reichel and V. Vuletic (Wiley-VCH, Weinheim, Germany, 2011), pp. 283-308.
     
58. R. Folman, P. Treutlein, and J. Schmiedmayer,
    Atom Chip Fabrication,
    in: "Atom Chips", ed. by J. Reichel and V. Vuletic (Wiley-VCH, Weinheim, Germany, 2011), pp. 61-117.
     
59. R. Schmied and P. Treutlein,
    Tomographic reconstruction of the Wigner function on the Bloch sphere,
    New J. Phys. 13, 065019 (2011).
     
60. P. Böhi, M. F. Riedel, and P. Treutlein,
    Cold atoms image microwave fields,
    SPS-Communications 33, 10 (2011).
     
61. P. Böhi, M. F. Riedel, T. W. Hänsch, and P. Treutlein,
    Imaging of microwave fields using ultracold atoms,
    Appl. Phys. Lett. 97, 051101 (2010).
     
62. K. Hammerer, K. Stannigel, C. Genes, and P. Zoller, 
    P. Treutlein, S. Camerer, D. Hunger, and T. W. Hänsch,
    Optical lattices with micromechanical mirrors,
    Phys. Rev. A 82, 021803 (2010).
     
63. K. Maussang, G. E. Marti, T. Schneider, P. Treutlein, Yun Li, A. Sinatra, R. Long, J. Esteve, and J. Reichel,
    Enhanced and Reduced Atom Number Fluctuations in a BEC Splitter,
    Phys. Rev. Lett. 105, 080403 (2010).
     
64. M. F. Riedel, P. Böhi, Yun Li, T. W. Hänsch, A. Sinatra, and P. Treutlein,
    Atom-chip-based generation of entanglement for quantum metrology,
    Nature 464, 1170 (2010).
     
65. D. Hunger, S. Camerer, T. W. Hänsch, D. König, J. P. Kotthaus, J. Reichel, and P. Treutlein,
    Resonant Coupling of a Bose-Einstein Condensate to a Micromechanical Oscillator,
    Phys. Rev. Lett. 104, 143002 (2010).
     
66. M. Wallquist, K. Hammerer, P. Zoller, C. Genes, M. Ludwig, F. Marquardt, P. Treutlein, J. Ye, and H. J. Kimble,
    Single-atom cavity QED and optomicromechanics,
    Phys. Rev. A 81, 023816 (2010).
     
67. K. Hammerer, M. Wallquist, C. Genes, M. Ludwig, F. Marquardt, P. Treutlein, P. Zoller, J. Ye, and H. J. Kimble,
    Strong coupling of a mechanical oscillator and a single atom, 
    Phys. Rev. Lett. 103, 063005 (2009).
     
68. P. Böhi, M. F. Riedel, J. Hoffrogge, J. Reichel, T. W. Hänsch, and P. Treutlein,
    Coherent manipulation of Bose-Einstein condensates with state-dependent microwave potentials on an atom chip,
    Nature Physics 5, 592 (2009).
     
69. Y. Li, P. Treutlein, J. Reichel, and A. Sinatra,
    Spin squeezing in a bimodal condensate: spatial dynamics and particle losses, 
    Eur. Phys. J. B 68, 365 (2009).
     
70. Philipp Treutlein,
    Coherent manipulation of ultracold atoms on atom chips,
    Dissertation, LMU München (2008).
     
71. P. Treutlein, D. Hunger, S. Camerer, T.W. Hänsch, and J. Reichel,
    Bose-Einstein condensate coupled to a nanomechanical resonator on an atom chip, 
    Phys. Rev. Lett. 99, 140403 (2007).
     
72. P. Treutlein, T. Steinmetz, Y. Colombe, B. Lev, P. Hommelhoff, J. Reichel, M. Greiner, O. Mandel, A. Widera, T. Rom, I. Bloch, and T.W. Hänsch,
    Quantum Information Processing in Optical Lattices and Magnetic Microtraps, 
    in: Elements of Quantum Information, ed. by W.P. Schleich and H. Walther (Wiley-VCH, Weinheim, Germany, 2007), pp. 121-144.
     
73. P. Treutlein, T.W. Hänsch, J. Reichel, A. Negretti, M.A. Cirone, and T. Calarco, 
    Microwave potentials and optimal control for robust quantum gates on an atom chip, 
    Phys. Rev. A 74, 022312 (2006).
     
74. P. Treutlein, T. Steinmetz, Y. Colombe, B. Lev, P. Hommelhoff, J. Reichel, M. Greiner, O. Mandel, A. Widera, T. Rom, I. Bloch, and T.W. Hänsch,
    Quantum information processing in optical lattices and magnetic microtraps, 
    Fortschr. Phys. 54, 702 (2006).
     
75. B. Eiermann, Th. Anker, M. Albiez, M. Taglieber, P. Treutlein, and M.K. Oberthaler, 
    Dispersion Management and Bright Gap Solitons for Atomic Matter Waves, 
    in: Laser Spectroscopy: Proceedings of the XVI International Conference (ICOLS 2003), ed. by P. Hannaford, A. Sidorov, H. Bachor, K. Baldwin (World Scientific, Singapore, 2004) pp. 184-186.
     
76. P. Treutlein, P. Hommelhoff, T.W. Hänsch, and J. Reichel, 
    Coherent Atomic States in Microtraps, 
    in: Laser Spectroscopy: Proceedings of the XVI International Conference (ICOLS 2003), ed. by P. Hannaford, A. Sidorov, H. Bachor, K. Baldwin (World Scientific, Singapore, 2004) pp. 231-236.
     
77. B. Eiermann, Th. Anker, M. Albiez, M. Taglieber, P. Treutlein, K.-P. Marzlin, and M.K. Oberthaler,
    Bright Bose-Einstein Gap Solitons of Atoms with Repulsive Interaction, 
    Phys. Rev. Lett. 92, 230401 (2004).
     
78. P. Treutlein, P. Hommelhoff, T. Steinmetz, T.W. Hänsch, and J. Reichel, 
    Coherence in Microchip Traps, 
    Phys. Rev. Lett. 92, 203005 (2004).
     
79. B. Eiermann, P. Treutlein, Th. Anker, M. Albiez, M. Taglieber, K.-P. Marzlin, and M.K. Oberthaler,
    Dispersion Management for Atomic Matter Waves, 
    Phys. Rev. Lett. 91, 060402 (2003).
     
80. P. Treutlein, K.Y. Chung, and S. Chu, 
    High-brightness atom source for atomic fountains,
    Phys. Rev. A 63, 051401 (2001).