Abstract

We demonstrate the generation of polarization-entangled photon pairs of degenerate frequency for the first time, to the best of our knowledge, in standard optical fiber using a novel dual-pump, counterpropagating configuration. Two-photon interference with >97% visibility is obtained. The purity of the photon source, as characterized by the ratio of coincidence to accidental-coincidence counts, is shown to be as high as 116 under suitable operating conditions.

© 2006 Optical Society of America

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  1. E. Knill, R. Laflamme, and G. J. Milburn, Nature 409, 46 (2001).
    [CrossRef] [PubMed]
  2. P. Kok, W. J. Munro, K. Nemoto, T. C. Ralph, J. P. Dowling, and G. J. Milburn, arXiv.org: http://arxiv.org/abs/quant-ph/0512071.
  3. C. K. Hong, Z. Y. Ou, and L. Mandel, Phys. Rev. Lett. 59, 2044 (1987).
    [CrossRef] [PubMed]
  4. D. Branning, W. Grice, R. Erdmann, and I. A. Wamsley, Phys. Rev. A 62, 013814 (2000).
    [CrossRef]
  5. J. Fan, A. Dogariu, and L. J. Wang, Opt. Lett. 30, 1530 (2005).
    [CrossRef] [PubMed]
  6. P. Kumar, M. Fiorentino, P. L. Voss, and J. E. Sharping, "All-fiber photon-pair for quantum communications," U.S. patent 6,897,434 (May 24, 2005).
  7. H. Takesue and K. Inoue, Phys. Rev. A 70, 031802 (2004).
    [CrossRef]
  8. K. F. Lee, J. Chen, C. Liang, X. Li, P. L. Voss, and P. Kumar, Opt. Lett. 31, 1905 (2006).
    [CrossRef] [PubMed]
  9. H. Takesue and K. Inoue, Opt. Express 13, 7832 (2005).
    [CrossRef] [PubMed]
  10. J. Chen, K. F. Lee, C. Liang, and P. Kumar, IEEE/LEOS Summer Topical Meetings 2006, paper TuB2.3.
  11. C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

2006 (1)

2005 (3)

C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

J. Fan, A. Dogariu, and L. J. Wang, Opt. Lett. 30, 1530 (2005).
[CrossRef] [PubMed]

H. Takesue and K. Inoue, Opt. Express 13, 7832 (2005).
[CrossRef] [PubMed]

2004 (1)

H. Takesue and K. Inoue, Phys. Rev. A 70, 031802 (2004).
[CrossRef]

2001 (1)

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

2000 (1)

D. Branning, W. Grice, R. Erdmann, and I. A. Wamsley, Phys. Rev. A 62, 013814 (2000).
[CrossRef]

1987 (1)

C. K. Hong, Z. Y. Ou, and L. Mandel, Phys. Rev. Lett. 59, 2044 (1987).
[CrossRef] [PubMed]

Branning, D.

D. Branning, W. Grice, R. Erdmann, and I. A. Wamsley, Phys. Rev. A 62, 013814 (2000).
[CrossRef]

Chen, J.

K. F. Lee, J. Chen, C. Liang, X. Li, P. L. Voss, and P. Kumar, Opt. Lett. 31, 1905 (2006).
[CrossRef] [PubMed]

C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

J. Chen, K. F. Lee, C. Liang, and P. Kumar, IEEE/LEOS Summer Topical Meetings 2006, paper TuB2.3.

Corndorf, E.

C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

Dogariu, A.

Dowling, J. P.

P. Kok, W. J. Munro, K. Nemoto, T. C. Ralph, J. P. Dowling, and G. J. Milburn, arXiv.org: http://arxiv.org/abs/quant-ph/0512071.

Erdmann, R.

D. Branning, W. Grice, R. Erdmann, and I. A. Wamsley, Phys. Rev. A 62, 013814 (2000).
[CrossRef]

Fan, J.

Fiorentino, M.

P. Kumar, M. Fiorentino, P. L. Voss, and J. E. Sharping, "All-fiber photon-pair for quantum communications," U.S. patent 6,897,434 (May 24, 2005).

Grice, W.

D. Branning, W. Grice, R. Erdmann, and I. A. Wamsley, Phys. Rev. A 62, 013814 (2000).
[CrossRef]

Hong, C. K.

C. K. Hong, Z. Y. Ou, and L. Mandel, Phys. Rev. Lett. 59, 2044 (1987).
[CrossRef] [PubMed]

Inoue, K.

H. Takesue and K. Inoue, Opt. Express 13, 7832 (2005).
[CrossRef] [PubMed]

H. Takesue and K. Inoue, Phys. Rev. A 70, 031802 (2004).
[CrossRef]

Kanter, G. S.

C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

Knill, E.

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

Kok, P.

P. Kok, W. J. Munro, K. Nemoto, T. C. Ralph, J. P. Dowling, and G. J. Milburn, arXiv.org: http://arxiv.org/abs/quant-ph/0512071.

Kumar, P.

K. F. Lee, J. Chen, C. Liang, X. Li, P. L. Voss, and P. Kumar, Opt. Lett. 31, 1905 (2006).
[CrossRef] [PubMed]

C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

J. Chen, K. F. Lee, C. Liang, and P. Kumar, IEEE/LEOS Summer Topical Meetings 2006, paper TuB2.3.

P. Kumar, M. Fiorentino, P. L. Voss, and J. E. Sharping, "All-fiber photon-pair for quantum communications," U.S. patent 6,897,434 (May 24, 2005).

Laflamme, R.

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

Lee, K. F.

K. F. Lee, J. Chen, C. Liang, X. Li, P. L. Voss, and P. Kumar, Opt. Lett. 31, 1905 (2006).
[CrossRef] [PubMed]

C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

J. Chen, K. F. Lee, C. Liang, and P. Kumar, IEEE/LEOS Summer Topical Meetings 2006, paper TuB2.3.

Li, X.

K. F. Lee, J. Chen, C. Liang, X. Li, P. L. Voss, and P. Kumar, Opt. Lett. 31, 1905 (2006).
[CrossRef] [PubMed]

C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

Liang, C.

K. F. Lee, J. Chen, C. Liang, X. Li, P. L. Voss, and P. Kumar, Opt. Lett. 31, 1905 (2006).
[CrossRef] [PubMed]

C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

J. Chen, K. F. Lee, C. Liang, and P. Kumar, IEEE/LEOS Summer Topical Meetings 2006, paper TuB2.3.

Mandel, L.

C. K. Hong, Z. Y. Ou, and L. Mandel, Phys. Rev. Lett. 59, 2044 (1987).
[CrossRef] [PubMed]

Milburn, G. J.

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

P. Kok, W. J. Munro, K. Nemoto, T. C. Ralph, J. P. Dowling, and G. J. Milburn, arXiv.org: http://arxiv.org/abs/quant-ph/0512071.

Munro, W. J.

P. Kok, W. J. Munro, K. Nemoto, T. C. Ralph, J. P. Dowling, and G. J. Milburn, arXiv.org: http://arxiv.org/abs/quant-ph/0512071.

Nemoto, K.

P. Kok, W. J. Munro, K. Nemoto, T. C. Ralph, J. P. Dowling, and G. J. Milburn, arXiv.org: http://arxiv.org/abs/quant-ph/0512071.

Ou, Z. Y.

C. K. Hong, Z. Y. Ou, and L. Mandel, Phys. Rev. Lett. 59, 2044 (1987).
[CrossRef] [PubMed]

Ralph, T. C.

P. Kok, W. J. Munro, K. Nemoto, T. C. Ralph, J. P. Dowling, and G. J. Milburn, arXiv.org: http://arxiv.org/abs/quant-ph/0512071.

Sharping, J. E.

P. Kumar, M. Fiorentino, P. L. Voss, and J. E. Sharping, "All-fiber photon-pair for quantum communications," U.S. patent 6,897,434 (May 24, 2005).

Takesue, H.

H. Takesue and K. Inoue, Opt. Express 13, 7832 (2005).
[CrossRef] [PubMed]

H. Takesue and K. Inoue, Phys. Rev. A 70, 031802 (2004).
[CrossRef]

Voss, P. L.

K. F. Lee, J. Chen, C. Liang, X. Li, P. L. Voss, and P. Kumar, Opt. Lett. 31, 1905 (2006).
[CrossRef] [PubMed]

C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

P. Kumar, M. Fiorentino, P. L. Voss, and J. E. Sharping, "All-fiber photon-pair for quantum communications," U.S. patent 6,897,434 (May 24, 2005).

Wamsley, I. A.

D. Branning, W. Grice, R. Erdmann, and I. A. Wamsley, Phys. Rev. A 62, 013814 (2000).
[CrossRef]

Wang, L. J.

Nature (1)

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

Opt. Express (1)

Opt. Lett. (2)

Phys. Rev. A (2)

D. Branning, W. Grice, R. Erdmann, and I. A. Wamsley, Phys. Rev. A 62, 013814 (2000).
[CrossRef]

H. Takesue and K. Inoue, Phys. Rev. A 70, 031802 (2004).
[CrossRef]

Phys. Rev. Lett. (1)

C. K. Hong, Z. Y. Ou, and L. Mandel, Phys. Rev. Lett. 59, 2044 (1987).
[CrossRef] [PubMed]

Proc. SPIE (1)

C. Liang, K. F. Lee, P. L. Voss, E. Corndorf, G. S. Kanter, J. Chen, X. Li, and P. Kumar, in Proc. SPIE 5893, 282 (2005).

Other (3)

J. Chen, K. F. Lee, C. Liang, and P. Kumar, IEEE/LEOS Summer Topical Meetings 2006, paper TuB2.3.

P. Kumar, M. Fiorentino, P. L. Voss, and J. E. Sharping, "All-fiber photon-pair for quantum communications," U.S. patent 6,897,434 (May 24, 2005).

P. Kok, W. J. Munro, K. Nemoto, T. C. Ralph, J. P. Dowling, and G. J. Milburn, arXiv.org: http://arxiv.org/abs/quant-ph/0512071.

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Figures (4)

Fig. 1
Fig. 1

Experimental layout. (a) Preparation of dual-frequency pump. DGF, double-grating filter; EDFA, erbium-doped fiber amplifier; FPC, fiber polarization controller; BS, beam splitter. (b) CPS schematic. HWP, half-wave plate; QWP, quarter-wave plate; LP, linear polarizer; PBS, polarization beam splitter; OBPF, optical bandpass filter; DSF, dispersion-shifted fiber; APD, avalanche photodiode.

Fig. 2
Fig. 2

CAR plotted as a function of single counts/pulse at two different temperatures [ 77 K (dots) and 300 K (squares)]. Inset, spectral shapes of the cascaded DGFs and OBPF.

Fig. 3
Fig. 3

TPI with visibility > 97 % is shown, while single counts in both channels exhibit no polarization dependence. Solid curve is a cosine fit to the data.

Fig. 4
Fig. 4

Single counts and coincidence count show no dependence on the HWP angle when only a single-frequency pump at (a) λ p 1 = 1545.95 nm , or at (b) λ p 2 = 1555.92 nm is used.

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