Interaction-based quantum metrology showing scaling beyond the Heisenberg limit

Nature

Volumn 471, Issue 7339, 2011, Pages 486-489

  Napolitano, M ^a   Koschorreck, M ^a   Dubost, B ^a,b   Behbood, N ^a   Sewell, R J ^a   Mitchell, M W ^a  

^a ICFO INSTITUT DE CIENCIES FOTONIQUES   (Spain)

^b UNIVERSITÉ PARIS DIDEROT   (France)

Author keywords

[No Author keywords available]

Indexed keywords

MAGNETIZATION; NONLINEARITY; QUANTUM MECHANICS; THEORETICAL STUDY;

ARTICLE; MATHEMATICAL ANALYSIS; MEASUREMENT; NONLINEAR SYSTEM; PHOTON; PRIORITY JOURNAL; QUANTUM THEORY;

EID: 79953059606     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature09778     Document Type: Article

References (24)

1. Giovannetti, V., Lloyd, S. &Maccone, L. Quantum metrology. Phys. Rev. Lett. 96, 010401 (2006).
2. Mitchell, M. W., Lundeen, J. S. &Steinberg, A. M. Super-resolving phase measurements with a multiphoton entangled state. Nature 429, 161-164 (2004). (Pubitemid 38656187)
3. Lee, H., Kok, P. &Dowling, J. P. A quantumRosetta stone for interferometry. J. Mod. Opt. 49, 2325-2338 (2002).
4. Boixo, S., Flammia, S. T., Caves, C. M. &Geremia, J. Generalized limits for singleparameter quantum estimation. Phys. Rev. Lett. 98, 090401 (2007).
5. Choi, S. &Sundaram, B. Bose-Einstein condensate as a nonlinear Ramsey interferometer operating beyond the Heisenberg limit. Phys. Rev. A 77, 053613 (2008).
6. Roy, S. M. &Braunstein, S. L. Exponentially enhanced quantum metrology. Phys. Rev. Lett. 100, 220501 (2008).
7. Boixo,S. et al. Quantummetrology: dynamics versus entanglement. Phys. Rev. Lett. 101, 040403 (2008).
8. Koschorreck, M., Napolitano, M., Dubost, B. &Mitchell, M. W. Sub-projection-noise sensitivity in broadband atomic magnetometry. Phys. Rev. Lett. 104, 093602 (2010).
9. Koschorreck, M., Napolitano, M., Dubost, B. &Mitchell, M. W. Quantum nondemolition measurement of large-spin ensembles by dynamical decoupling. Phys. Rev. Lett. 105, 093602 (2010).
10. Kominis, I., Kornack, T., Allred, J. &Romalis, M. A subfemtotesla multichannel atomic magnetometer. Nature 422, 596-599 (2003). (Pubitemid 36460408)
11. Budker, D. &Romalis, M. Optical magnetometry. Nature Phys. 3, 227-234 (2007).
12. Hammerer, K., Sørensen, A. S. &Polzik, E. S. Quantum interface between light and atomic ensembles. Rev. Mod. Phys. 82, 1041-1093 (2010).
13. Napolitano, M. &Mitchell, M. W. Nonlinear metrology with a quantum interface. N. J. Phys. 12, 093016 (2010).
14. Fleischhauer, M., Matsko, A. B. &Scully, M. O. Quantum limit of optical magnetometry in the presence of ac Stark shifts. Phys. Rev. A 62, 013808 (2000).
15. Scully, M. O., Englert, B. G.&Walther, H.Quantumoptical tests of complementarity. Nature 351, 111-116 (1991).
16. Wasilewski, W. et al. Quantum noise limited and entanglement-assisted magnetometry. Phys. Rev. Lett. 104, 133601 (2010).
17. Wolfgramm, F. et al. Squeezed-light optical magnetometry. Phys. Rev. Lett. 105, 053601 (2010).
18. Beltrán, J. &Luis, A. Breaking the Heisenberg limit with inefficient detectors. Phys. Rev. A 72, 045801 (2005).
19. Woolley, M. J., Milburn, G. J. &Caves, C. M. Nonlinear quantum metrology using coupled nanomechanical resonators. N. J. Phys. 10, 125018 (2008).
20. Chase, B. A., Baragiola, B. Q., Partner, H. L., Black, B. D. &Geremia, J. M. Magnetometry via a double-pass continuous quantum measurement of atomic spin. Phys. Rev. A 79, 062107 (2009).
21. Negretti, A., Henkel, C.&Mølmer, K. Quantum-limited position measurements of a dark matter-wave soliton. Phys. Rev. A 77, 043606 (2008).
22. Boixo, S. et al. Quantum-limited metrology and Bose-Einstein condensates. Phys. Rev. A 80, 032103 (2009).
23. Kubasik, M. et al. Polarization-based light-atom quantum interface with an alloptical trap. Phys. Rev. A 79, 043815 (2009).
24. Braginski V. B. &Vorontsov, Y. I. Quantum-mechanical limitations inmacroscopic experiments and modern experimental technique. Sov. Phys. Usp. 17, 644 (1975).