Abstract
Nonlocal character of entangled photon pairs generated in spontaneous parametric downconversion is demonstrated. One photon from a pair propagates through a Mach-Zehnder interferometer and is detected in coincidence-count measurement with its twin. Width of the coincidence-count interference pattern (measured for various values of path difference in the Mach-Zehnder interferometer) depends on spectral width of the twin as a result of entanglement of photons in a pair. The experimental setup is analyzed for a Gaussian spectral filter and a Fabry-Perot resonator. It is shown that nonlocal interference is much stronger for cw pumping in comparison with femtosecond pulsed pumping for values of parameters commonly used in spontaneous parametric downconversion experiments.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
J. Peřina, Z. Hradil, and B. Jurčo: Quantum Optics and Fundamentals of Physics, Kluwer, Dordrecht, 1994.
D. Bouwmeester, A. Ekert, and A. Zeilinger, ed.: The Physics of Quantum Information, Springer, Berlin, 2000.
A. Ekert: Phys. Rev. Lett. 67 (1991) 661.
N. Gisin, G. Ribordy, W. Tittel, and K. Zbynden: Rev. Mod. Phys. 74 (2002) 145.
N. Lütkenhaus and D. Bruß: in Applicable Algebra in Engineering, Communication and Computing, Vol. 10, Springer, Berlin, 2000, p. 383.
K. Mattle, H. Weinfurter, P.G. Kwiat, and A. Zeilinger: Phys. Rev. Lett. 76 (1996) 4656.
D. Bouwmeester, J.-W. Pan, K. Mattle, M. Eibl, H. Weinfurter, and A. Zeilinger: Nature 390 (1997) 575.
D.M. Greenberger, M.A. Horne, and A. Zeilinger: Phys. Today 8 (1993) 22.
D.M. Greenberger, M.A. Horne, A. Shimony, and A. Zeilinger: Am. J. Phys. 58 (1998) 1131.
D. Bouwmeester, J.-W. Pan, M. Daniell, H. Weinfurter, and A. Zeilinger: Phys. Rev. Lett. 82 (1999) 1345.
J.G. Rarity and P.R. Tapster: Phys. Rev. A 59 (1999) R35.
L. Mandel and E. Wolf: Optical Coherence and Quantum Optics, Cambridge Univ. Press, Cambridge, 1995.
J. Peřina, Jr., A.V. Sergienko, B.M. Jost, B.E.A. Saleh, and M.C. Teich: Phys. Rev. A 59 (1999) 2359.
J. Peřina, Jr.: Eur. Phys. J. D 7 (1999) 235.
M. Dušek: Czech. J. Phys. 46 (1996) 921.
H. Rauch: Phys. Lett. A 173 (1993) 240.
X. Y. Zou, T. P. Grayson, and L. Mandel: Phys. Rev. Lett. 69 (1992) 3041.
T.B. Pittman, D.V. Strekalov, A. Migdall, M.H. Rubin, A.V. Sergienko, and Y.H. Shih: Phys. Rev. Lett. 77 (1996) 1917.
J.-D. Diels and W. Rudolph: Ultrashort Laser Pulse Phenomena, Academic Press, San Diego, 1996.
V.G. Dmitriev, G.G. Gurzadyan, and D.N. Nikogosyan: Handbook of Nonlinear Optical Crystals, Springer, Berlin, 1997.
W.P. Grice and I.A. Walmsley: Phys. Rev. A 56 (1997) 1627.
B.E.A. Saleh and M.C. Teich: Fundamentals of Photonics, J. Wiley, NewYork, 1991. Czech. J. Phys. 53 (2003) 349
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Trojek, P., Peřina, J. Quantum Nonlocality of Photon Pairs in Interference in a Mach-Zehnder Interferometer. Czechoslovak Journal of Physics 53, 335–349 (2003). https://doi.org/10.1023/A:1023496511155
Issue Date:
DOI: https://doi.org/10.1023/A:1023496511155