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Optics Letters

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  • Vol. 20, Iss. 9 — May. 1, 1995
  • pp: 1059–1061

Phase-conjugate quantum communication with optical heterodyne detection

Jeffrey H. Shapiro  »View Author Affiliations


Optics Letters, Vol. 20, Issue 9, pp. 1059-1061 (1995)
http://dx.doi.org/10.1364/OL.20.001059


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Abstract

A quantum heterodyne-detection system is described that affords K-ary phase-based digital communication at zero error probability at an average photon number of approximately K 3 / 2 . In phase-based precision measurement—at the same average photon number—this system can measure an arbitrary c-number phase shift to within ±π/K rad with probability one.

© 1995 Optical Society of America

History
Original Manuscript: November 21, 1994
Published: May 1, 1995

Citation
Jeffrey H. Shapiro, "Phase-conjugate quantum communication with optical heterodyne detection," Opt. Lett. 20, 1059-1061 (1995)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-9-1059


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References

  1. W. P. Schleich, S. M. Barnett, eds., special issue on quantum phase and phase dependent measurements, Phys. Scr. T48, 5–142 (1993).
  2. A. Luks, V. Perinová, Quantum Opt. 6, 125 (1994). [CrossRef]
  3. J. H. Shapiro, Phys. Scr. T 48, 105 (1993). [CrossRef]
  4. J. H. Shapiro, S. S. Wagner, IEEE J. Quantum Electron. QE-20, 803 (1984). [CrossRef]
  5. This guaranteed phase precision is accomplished through the use of a two-mode entangled state. Interestingly, C. H. Bennett and S. J. Wiesner have recently proposed entanglement for another error-free quantum communication purpose [Phys. Rev. Lett. 69, 2881 (1992)]. Their motivation is quantum cryptography, however, not quantum phase measurement. [PubMed]
  6. C. M. Caves, Phys. Rev. D 23, 1693 (1981). [CrossRef]
  7. J. H. Shapiro, G. Saplakoglu, S.-T. Ho, P. Kumar, B. E. A. Saleh, M. C. Teich, J. Opt. Soc. Am. B 4, 1604 (1987). [CrossRef]
  8. G. Saplakoglu, “Photodetection feedback systems,” Ph.D. dissertation (Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Mass., July1988).

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