Optical coherent state discrimination using a closed-loop quantum measurement

Nature

Volumn 446, Issue 7137, 2007, Pages 774-777

  Cook, Robert L ^a   Martin, Paul J ^a   Geremia, J M ^a  

^a UNIVERSITY OF NEW MEXICO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

MEASUREMENT METHOD; OPTICAL METHOD; PREDICTION; QUANTUM MECHANICS; THEORY;

ARTICLE; DISCRIMINANT ANALYSIS; FEEDBACK SYSTEM; MATHEMATICAL ANALYSIS; MEASUREMENT; OPTICAL DENSITY; PREDICTION; PRIORITY JOURNAL; QUANTUM MECHANICS; STATISTICS;

EID: 34147203566     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature05655     Document Type: Article

References (19)

1. von Neumann, J. Mathematical Foundations of Quantum Mechanics (Princeton Univ. Press, Princeton, 1955).
2. Kraus, K. Lecture Notes in Physics Vol. 190, States, Effects, and Operations: Fundamental Notions of Quantum Theory (Springer, Berlin, 1983).
3. Peres, A. & Wooters, W. K. Optimal detection of quantum information. Phys. Rev. Lett. 66, 1119-1122 (1991).
4. Fuchs, C. A. & Peres, A. Quantum-state disturbance versus information gain: Uncertainty relations for quantum information. Phys. Rev. A 53, 2038-2045 (1996).
5. Nielsen, M. & Chuang, I. Quantum Computation and Quantum Information Science (Cambridge Univ. Press, Cambridge, UK, 2000).
6. Peres, A. Neumark's theorem and quantum inseparability. Found. Phys. 20, 1441-1453 (1990).
7. Leibfried, D. et al. Toward Heisenberg-limited spectroscopy with multiparticle entangled states. Science 304, 1476-1478 (2004).
8. Wiseman, H. M. & Milburn, G. J. All-optical versus electro-optical quantum-limited feedback. Phys. Rev. A 49, 4110-4125 (1994).
9. Doherty, A. C., Habib, S., Jacobs, K., Mabuchi, H. & Tan, S. M. Quantum feedback control and classical control theory. Phys. Rev. A 62, 012105-012117 (2000).
10. Geremia, J., Stockton, J. K. & Mabuchi, H. Real-time quantum feedback control of atomic spin-squeezing. Science 304, 270-273 (2004).
11. Helstrom, C. W. Detection theory and quantum mechanics. Inform. Control 10, 254-291 (1967).
12. Sasaki-Usuda, T. & Hirota, O. in Quantum Communication and Measurement (eds Belavkin, V. P., Hirota, O. & Hudson, L.) 419-428 (Plenum, New York, 1995).
13. Dolinar, S. Quarterly Progress Report (Tech. Rep. 111, Research Laboratory of Electronics, MIT, 1973).
14. Armen, M. A., Au, J. K., Stockton, J. K., Doherty, A. C. & Mabuchi, H. Adaptive homodyne measurement of optical phase. Phys. Rev. Lett. 89, 133602-133605 (2002).
15. Helstrom, C. W. Mathematics in Science and Engineering Vol. 123, Quantum Detection and Estimation Theory (Academic, New York, 1976).
16. Fuchs, C. A. Distinguishability and Accessible Information in Quantum Theory. Ph.D. thesis, Univ. New Mexico (1996); 〈http://arxiv.org/quant- ph/9601020〉 (1996).
17. Geremia, J. Distinguishing between optical coherent states with imperfect detection. Phys. Rev. A 70, 062303-062311 (2004).
18. Sasaki, M. & Hirota, O. Quantum decision scheme with a unitary control process for binary quantum-state signals. Phys. Rev. A 54, 2728-2736 (1996).
19. Wiseman, H. M. Adaptive phase measurements of optical modes: Going beyond the marginal Q distribution. Phys. Rev. Lett. 75, 4587-4590 (1995).