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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 2 — Jan. 17, 2011
  • pp: 1360–1366

Transporting continuous quantum variables of individual light pulses

Yujiro Eto, Yun Zhang, and Takuya Hirano  »View Author Affiliations


Optics Express, Vol. 19, Issue 2, pp. 1360-1366 (2011)
http://dx.doi.org/10.1364/OE.19.001360


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Abstract

We experimentally demonstrate transporting continuous quantum variables of individual light pulses at telecommunication wavelengths by using continuous-variable Bell measurements and post-processing displacement techniques. Time-domain pulsed homodyne detectors are used in the Bell measurements and the quantum variables of input light are transported pulse-by-pulse. Fidelity of F = 0.57 ± 0.03 is experimentally achieved with the aid of entanglement, which is higher than the bound (Fc = 0.5) of the classical case in the absence of entanglement.

© 2011 Optical Society of America

OCIS Codes
(270.6570) Quantum optics : Squeezed states
(270.5565) Quantum optics : Quantum communications

ToC Category:
Quantum Optics

History
Original Manuscript: October 15, 2010
Revised Manuscript: December 19, 2010
Manuscript Accepted: January 11, 2011
Published: January 12, 2011

Citation
Yujiro Eto, Yun Zhang, and Takuya Hirano, "Transporting continuous quantum variables of individual light pulses," Opt. Express 19, 1360-1366 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-2-1360


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References

  1. L. Vaidman, "Teleportation of quantum states," Phys. Rev. A 49, 1473-1476 (1994). [CrossRef] [PubMed]
  2. S. L. Braunstein, and H. J. Kimble, "Teleportation of Continuous Quantum Variables," Phys. Rev. Lett. 80, 869-872 (1998). [CrossRef]
  3. C. H. Bennett, and S. J. Wiesner, "Communication via one- and two-particle operators on Einstein-Podolsky-Rosen states," Phys. Rev. Lett. 69, 2881-2884 (1992). [CrossRef] [PubMed]
  4. S. L. Braunstein, and H. J. Kimble, "Dense coding for continuous variables," Phys. Rev. A 61, 042302 (2000). [CrossRef]
  5. A. K. Ekert, "Quantum cryptography based on Bell’s theorem," Phys. Rev. Lett. 67, 661-663 (1991). [CrossRef] [PubMed]
  6. A. Furusawa, J. L. Sørensen, S. L. Braunstein, C. A. Fuchs, H. J. Kimble, and E. S. Polzik, "Unconditional Quantum Teleportation," Science 282, 706-709 (1998). [CrossRef] [PubMed]
  7. W. P. Bowen, N. Treps, B. C. Buchler, R. Schnabel, T. C. Ralph, H.-A. Bachor, T. Symul, and P. K. Lam, "Experimental investigation of continuous-variable quantum teleportation," Phys. Rev. A 67, 032302 (2003). [CrossRef]
  8. T. C. Zhang, K. W. Goh, C. W. Chou, P. Lodahl, and H. J. Kimble, "Quantum teleportation of light beams," Phys. Rev. A 67, 033802 (2003). [CrossRef]
  9. X. Li, Q. Pan, J. Jing, J. Zhang, C. Xie, and K. Peng, "Quantum Dense Coding Exploiting a Bright Einstein-Podolsky-Rosen Beam," Phys. Rev. Lett. 88, 047904 (2002). [CrossRef] [PubMed]
  10. J. Mizuno, K. Wakui, A. Furusawa, and M. Sasaki, "Experimental demonstration of entanglement-assisted coding using a two-mode squeezed vacuum state," Phys. Rev. A 71, 012304 (2005). [CrossRef]
  11. H. Hansen, T. Aichele, C. Hettich, P. Lodahl, A. I. Lvovsky, J. Mlynek, and S. Schiller, "Ultrasensitive pulsed, balanced homodyne detector: application to time-domain quantum measurements," Opt. Lett. 26, 1714-1716 (2001). [CrossRef]
  12. R. Okubo, M. Hirano, Y. Zhang, and T. Hirano, "Pulse-resolved measurement of quadrature phase amplitudes of squeezed pulse trains at a repetition rate of 76 MHz," Opt. Lett. 33, 1458-1460 (2008). [CrossRef] [PubMed]
  13. Y. Eto, A. Nonaka, Y. Zhang, and T. Hirano, "Stable generation of quadrature entanglement using a ring interferometer," Phys. Rev. A 79, 050302 (2009). [CrossRef]
  14. D. T. Smithey, M. Beck, and M. G. Raymer, "Measurement of the Wigner distribution and the density matrix of a light mode using optical homodyne tomography: Application to squeezed states and the vacuum," Phys. Rev. Lett. 70, 1244-1247 (1993). [CrossRef] [PubMed]
  15. P. van Loock, S. L. Braunstein, and H. J. Kimble, "Broadband teleportation," Phys. Rev. A 62, 022309 (2000). [CrossRef]
  16. D. Bouwmeester, J.-W. Pan, K. Mattle, M. Eibl, H. Weinfurter, and A. Zeilinger, "Experimental Quantum Teleportation," Nature 390, 575-579 (1997). [CrossRef]
  17. Ch. Silberhorn, N. Korolkova, and G. Leuchs, "Quantum Key Distribution with Bright Entangled Beams," Phys. Rev. Lett. 88, 167902 (2002). [CrossRef] [PubMed]
  18. Y. Eto, T. Tajima, Y. Zhang, and T. Hirano, "Pulsed Homodyne Detection of Squeezed Light at Telecommunication Wavelength," Jpn. J. Appl. Phys. 45(Part 2), L821-L823 (2006). [CrossRef]
  19. Y. Eto, T. Tajima, Y. Zhang, and T. Hirano, "Observation of squeezed light at 1.535 μm using a pulsed homodyne detector," Opt. Lett. 32, 1698-1700 (2007). [CrossRef] [PubMed]
  20. L.-M. Duan, G. Giedke, J. I. Cirac, and P. Zoller, "Inseparability Criterion for Continuous Variable Systems," Phys. Rev. Lett. 84, 2722-2725 (2000). [CrossRef] [PubMed]
  21. R. Simon, "Peres-Horodecki Separability Criterion for Continuous Variable Systems," Phys. Rev. Lett. 84, 2726-2729 (2000). [CrossRef] [PubMed]
  22. S. Suzuki, H. Yonezawa, F. Kannari, M. Sasaki, and A. Furusawa, "7 dB quadrature squeezing at 860 nm with periodically poled KTiOPO4," Appl. Phys. Lett. 89, 061116 (2006). [CrossRef]

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