Abstract

We experimentally demonstrate a bright pulsed source of correlated photon pairs at the 1550nm telecom band by pumping 300m dispersion-shifted fiber with a 4ps pulse train. We investigate the coherence property of the source by measuring the second-order intensity correlation function g(2) of individual signal (idler) photons. A preliminary Hong–Ou–Mandel-type two-photon interference experiment with two such sources confirms the high temporal and spatial coherence of the source. The source is suitable for multiphoton quantum interference of independent sources, which is required in quantum information processing.

© 2008 Optical Society of America

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References

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2008

2007

J. Fulconis, O. Alibart, J. L. O'Brien, W. J. Wadsworth, and J. G. Rarity, Phys. Rev. Lett. 99, 120501 (2007).
[CrossRef] [PubMed]

H. Takesue, Appl. Phys. Lett. 90, 204101 (2007).
[CrossRef]

2006

2005

2004

H. de Riedmatten, V. Scarani, I. Marcikic, A. Acin, W. Tittel, H. Zbinden, and N. Gisin, J. Mod. Opt. 51, 1637 (2004).

2001

E. Knill, R. Laflamme, and G. J. Milburn, Nature 409, 46 (2001).
[CrossRef] [PubMed]

1999

Z. Y. Ou, J. K. Rhee, and L. J. Wang, Phys. Rev. A 60, 593 (1999).
[CrossRef]

1998

P. R. Tapster and J. G. Rarity, J. Mod. Opt. 45, 595 (1998).
[CrossRef]

1995

M. Zukowski, A. Zeilinger, and H. Weinfurter, Ann. N.Y. Acad. Sci. 755, 91 (1995).
[CrossRef]

Ann. N.Y. Acad. Sci.

M. Zukowski, A. Zeilinger, and H. Weinfurter, Ann. N.Y. Acad. Sci. 755, 91 (1995).
[CrossRef]

Appl. Phys. Lett.

H. Takesue, Appl. Phys. Lett. 90, 204101 (2007).
[CrossRef]

J. Mod. Opt.

P. R. Tapster and J. G. Rarity, J. Mod. Opt. 45, 595 (1998).
[CrossRef]

H. de Riedmatten, V. Scarani, I. Marcikic, A. Acin, W. Tittel, H. Zbinden, and N. Gisin, J. Mod. Opt. 51, 1637 (2004).

Nature

E. Knill, R. Laflamme, and G. J. Milburn, Nature 409, 46 (2001).
[CrossRef] [PubMed]

Opt. Express

Opt. Lett.

Phys. Rev. A

Z. Y. Ou, J. K. Rhee, and L. J. Wang, Phys. Rev. A 60, 593 (1999).
[CrossRef]

Phys. Rev. Lett.

J. Fulconis, O. Alibart, J. L. O'Brien, W. J. Wadsworth, and J. G. Rarity, Phys. Rev. Lett. 99, 120501 (2007).
[CrossRef] [PubMed]

X. Li, P. L. Voss, J. E. Sharping, and P. Kumar, Phys. Rev. Lett. 94, 053601 (2005).
[CrossRef] [PubMed]

Other

P. J. Mosley, J. S. Lundeen, B. J. Smith, P. Wasylczyk, A. B. U'Ren, C. Silberhorn, and I. A. Walmsley, arXiv.org e-Print archive, arXiv:quant-ph/0711.1054v1 (2007).

D. Bouwmeester, A. K. Ekert, and A. Zeilinger, The Physics of Quantum Information (Springer-Verlag, 2000).

Z. Y. Ou, Multi-Photon Quantum Interference (Springer, 2007).

J. G. Rarity, P. R. Tapster, and R. Loudon, arXiv.org e-Print archive, arXiv:quant-ph/9702032v2 (1997).

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Figures (4)

Fig. 1
Fig. 1

Schematic for characterizing our fiber-based source.

Fig. 2
Fig. 2

(a) Number of scattered photons per pump pulse detected in the signal band N s versus pump power. (b) Accidental-coincidence rate R a c as a function of the pump power. The solid curves are fit to corresponding polynomials.

Fig. 3
Fig. 3

Second correlation function g ( 2 ) versus the ratio between the bandwidth of the signal (idler) photons and that of the pump photons. The FWHM of signal and pump photons is denoted by Δ λ s and Δ λ p , respectively.

Fig. 4
Fig. 4

(a) Two-photon HOM interferometer with signal photons originating from two independent DSF-based sources. (b) Twofold coincidences measured as a function of the position of the translation stage. The error bar of the data is about the same as the size of the data points. The solid curves are the theoretical fits.

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