Squeezing and over-squeezing of triphotons

Nature

Volumn 457, Issue 7225, 2009, Pages 67-70

  Shalm, L K ^a   Adamson, R B A ^a   Steinberg, A M ^a  

^a UNIVERSITY OF TORONTO   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

GLASS FIBER;

FUNDAMENTAL PARTICLE; MEASUREMENT METHOD; UNCERTAINTY ANALYSIS;

ACCURACY; ANALYTIC METHOD; ARTICLE; GRAVITY; INFORMATION PROCESSING; MEASUREMENT; PHOTON; POLARIZATION; PRIORITY JOURNAL; PROBABILITY; QUANTUM MECHANICS; SENSITIVITY ANALYSIS; VISUAL SYSTEM;

EID: 58149267901     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature07624     Document Type: Article

References (30)

1. Goda, K. et al. A quantum-enhanced prototype gravitational-wave detector. Nature Phys. 4, 472-476 (2008).
2. Ye, J., Kimble, H. & Katori, H. Quantum state engineering and precision metrology using state-insensitive light traps. Science 320, 1734-1738 (2008).
3. Furusawa, A. et al. Unconditional quantum teleportation. Science 282, 706-709 (1998).
4. Hald, J., Sørensen, J. & Polzik, E. Spin squeezed atoms: A macroscopic entangled ensemble created by light. Phys. Rev. Lett. 83, 1319-1322 (1999).
5. Bowen, W., Schnabel, R., Bachor, H.-A. & Lam, P. Polarization squeezing of continuous variable Stokes parameters. Phys. Rev. Lett. 88, 093601 (2002).
6. Heersink, J. et al. Polarization squeezing of intense pulses with a fiber-optic Sagnac interferometer. Phys. Rev. A 68, 013815 (2003).
7. Marquardt, C. et al. Quantum reconstruction of an intense polarization squeezed optical state. Phys. Rev. Lett. 99, 220401 (2007).
8. Chaudhury, G. et al. Quantum control of the hyperfine spin of a Cs atom ensemble. Phys. Rev. Lett. 99, 163002 (2007).
9. Ghose, S. S., Stock, R., Jessen, P. S., Lal, R. & Silberfarb, A. Chaos, entanglement and decoherence in the quantum kicked top. Phys. Rev. A 78, 042318 (2008).
10. Agarwal, G. Relation between atomic coherent-state representation, state multipoles, and generalized phase-space distributions. Phys. Rev. A 24, 2889-2896 (1981).
11. Dowling, J., Agarwal, G. & Schleich, W. Wigner distribution of a general angular-momentum state: Applications to a collection of two-level atoms. Phys. Rev. A 49, 4101-4109 (1994).
12. Stratonovich, R. L. Gauge invariant generalization of Wigner distributions. Dokl. Akad. Nauk SSSR 109, 72-75 (1956).
13. Luis, A. Quantum polarization distributions via marginals of quadrature distributions. Phys. Rev. A 71, 053801 (2005).
14. Luis, A. Nonclassical polarization states. Phys. Rev. A 73, 063806 (2006).
15. Arecchi, F., Courtens, E., Gilmore, R. & Thomas, H. Atomic coherent states in quantum optics. Phys. Rev. A 6, 2211-2273 (1972).
16. Mitchell, M. W., Lundeen, J. S. & Steinberg, A. M. Super-resolving phase measurements with a multiphoton entangled state. Nature 429, 161-164 (2004).
17. Lee, H., Kok, P., Cerf, N. J. & Dowling, J. P. Linear optics and projective measurements alone suffice to create large photon-number path entanglement. Phys. Rev. A 65, 030101 (2002).
18. Fiurášek, J. Conditional generation of n-photon entangled states of light. Phys. Rev. A 65, 053818 (2002).
19. Adamson, R. B. A., Shalm, L. K., Mitchell, M. W. & Steinberg, A. M. Multiparticle state tomography: hidden differences. Phys. Rev. Lett. 98, 043601 (2007).
20. Adamson, R. B. A., Turner, P. S., Mitchell, M. W. & Steinberg, A. M. Detecting hidden differences via permutation symmetries. Phys. Rev. A 78, 033832 (2008).
21. Durkin, G. A. & Dowling, J. P. Local and global distinguishability in quantum interferometry. Phys. Rev. Lett. 99, 070801 (2007).
22. Dowling, J. Correlated input-port, matter-wave interferometer: Quantum-noise limits to the atom-laser gyroscope. Phys. Rev. A 57, 4736-4746 (1998).
23. Walther, P. et al. De Broglie wavelength of a non-local four-photon state. Nature 429, 158-161 (2004).
24. Nagata, T., Okamoto, R., O'Brien, J., Sasaki, K. & Takeuchi, S. Beating the standard quantum limit with four-entangled photons. Science 316, 726-729 (2007).
25. Ou, Z. Fundamental quantum limit in precision phase measurement. Phys. Rev. A 55, 2598-2609 (1997).
26. Resch, K. J. et al. Time-reversal and super-resolving phase measurements. Phys. Rev. Lett. 98, 223601 (2007).
27. Miranowicz, A. & Grudka, A. A comparative study of relative entropy of entanglement, concurrence and negativity. J. Opt. B 6, 542-548 (2004).
28. Peres, A. Separability criterion for density matrices. Phys. Rev. Lett. 77, 1413-1415 (1996).
29. Horodecki, M. Separability of mixed states: necessary and sufficient conditions. Phys. Lett. A 223, 1-8 (1996).
30. Takeuchi, S. Beamlike twin-photon generation by use of type II parametric downconversion. Opt. Lett. 26, 843-845 (2001).