Abstract

We report complete measurement of the spectral properties of photon pairs generated via spontaneous parametric downconversion. The measurements, which include not only single-photon spectra but also two-photon joint spectra, were performed for both cw and ultrafast-pumping configurations. In agreement with theoretical predictions, the spectra for the ultrafast-pumped case reveal asymmetries that are not present with cw pumping.

© 2005 Optical Society of America

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  1. D. N. Klyshko, Photons and Nonlinear Optics (Gordon & Breach, New York, 1988).
  2. P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, Phys. Rev. Lett. 75, 4337 (1995).
    [CrossRef] [PubMed]
  3. Y.-H. Kim, S. P. Kulik, M. V. Chekhova, W. P. Grice, and Y. Shih, Phys. Rev. A 67, 010301(R) (2003).
    [CrossRef]
  4. Y. H. Shih and C. O. Alley, Phys. Rev. Lett. 61, 2921 (1988).
    [CrossRef] [PubMed]
  5. N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, Rev. Mod. Phys. 74, 145 (2002).
    [CrossRef]
  6. C. H. Bennett, G. Brassard, C. Crepeau, R. Jozsa, A. Peres, and W. Wootters, Phys. Rev. Lett. 70, 1895 (1993).
    [CrossRef] [PubMed]
  7. Y.-H. Kim, S. P. Kulik, and Y. Shih, Phys. Rev. Lett. 86, 1370 (2001).
    [CrossRef] [PubMed]
  8. W. P. Grice and I. A. Walmsley, Phys. Rev. A 56, 1627 (1997).
    [CrossRef]
  9. Y.-H. Kim and W. P. Grice, J. Mod. Opt. 49, 2309 (2002).
    [CrossRef]
  10. W. P. Grice, R. Erdmann, I. A. Walmsley, and D. Branning, Phys. Rev. A 57, R2289 (1998).
    [CrossRef]
  11. Y.-H. Kim, V. Berardi, M. V. Chekhova, and Y. Shih, Phys. Rev. A 64, 011801(R) (2001).
    [CrossRef]
  12. Y.-H. Kim, S. P. Kulik, M. H. Rubin, and Y. Shih, Phys. Rev. Lett. 86, 4710 (2001).
    [CrossRef]
  13. S. Takeuchi, Opt. Lett. 26, 843 (2001).
    [CrossRef]
  14. Y.-H. Kim, Phys. Rev. A 68, 013804 (2003).
    [CrossRef]
  15. In this experiment a 0.25-m monochromator (CS260 from Oriel) with a 600-line?mmgrating (blaze wavelength at 400?nm) and a 0.5-m monochromator (DK480 from CVI) with a 1200-line?mm grating blazed at 750?nm were used. For focusing and collimating the photons into and out of monochromators CS260 and DK480, a set of lenses with f=25?mm and f=50?mm were used, respectively.
  16. W. P. Grice, A. B. U’Ren, and I. A. Walmsley, Phys. Rev. A 64, 063815 (2001).
    [CrossRef]

2003 (2)

Y.-H. Kim, S. P. Kulik, M. V. Chekhova, W. P. Grice, and Y. Shih, Phys. Rev. A 67, 010301(R) (2003).
[CrossRef]

Y.-H. Kim, Phys. Rev. A 68, 013804 (2003).
[CrossRef]

2002 (2)

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, Rev. Mod. Phys. 74, 145 (2002).
[CrossRef]

Y.-H. Kim and W. P. Grice, J. Mod. Opt. 49, 2309 (2002).
[CrossRef]

2001 (5)

Y.-H. Kim, S. P. Kulik, and Y. Shih, Phys. Rev. Lett. 86, 1370 (2001).
[CrossRef] [PubMed]

W. P. Grice, A. B. U’Ren, and I. A. Walmsley, Phys. Rev. A 64, 063815 (2001).
[CrossRef]

Y.-H. Kim, V. Berardi, M. V. Chekhova, and Y. Shih, Phys. Rev. A 64, 011801(R) (2001).
[CrossRef]

Y.-H. Kim, S. P. Kulik, M. H. Rubin, and Y. Shih, Phys. Rev. Lett. 86, 4710 (2001).
[CrossRef]

S. Takeuchi, Opt. Lett. 26, 843 (2001).
[CrossRef]

1998 (1)

W. P. Grice, R. Erdmann, I. A. Walmsley, and D. Branning, Phys. Rev. A 57, R2289 (1998).
[CrossRef]

1997 (1)

W. P. Grice and I. A. Walmsley, Phys. Rev. A 56, 1627 (1997).
[CrossRef]

1995 (1)

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, Phys. Rev. Lett. 75, 4337 (1995).
[CrossRef] [PubMed]

1993 (1)

C. H. Bennett, G. Brassard, C. Crepeau, R. Jozsa, A. Peres, and W. Wootters, Phys. Rev. Lett. 70, 1895 (1993).
[CrossRef] [PubMed]

1988 (1)

Y. H. Shih and C. O. Alley, Phys. Rev. Lett. 61, 2921 (1988).
[CrossRef] [PubMed]

Alley, C. O.

Y. H. Shih and C. O. Alley, Phys. Rev. Lett. 61, 2921 (1988).
[CrossRef] [PubMed]

Bennett, C. H.

C. H. Bennett, G. Brassard, C. Crepeau, R. Jozsa, A. Peres, and W. Wootters, Phys. Rev. Lett. 70, 1895 (1993).
[CrossRef] [PubMed]

Berardi, V.

Y.-H. Kim, V. Berardi, M. V. Chekhova, and Y. Shih, Phys. Rev. A 64, 011801(R) (2001).
[CrossRef]

Branning, D.

W. P. Grice, R. Erdmann, I. A. Walmsley, and D. Branning, Phys. Rev. A 57, R2289 (1998).
[CrossRef]

Brassard, G.

C. H. Bennett, G. Brassard, C. Crepeau, R. Jozsa, A. Peres, and W. Wootters, Phys. Rev. Lett. 70, 1895 (1993).
[CrossRef] [PubMed]

Chekhova, M. V.

Y.-H. Kim, S. P. Kulik, M. V. Chekhova, W. P. Grice, and Y. Shih, Phys. Rev. A 67, 010301(R) (2003).
[CrossRef]

Y.-H. Kim, V. Berardi, M. V. Chekhova, and Y. Shih, Phys. Rev. A 64, 011801(R) (2001).
[CrossRef]

Crepeau, C.

C. H. Bennett, G. Brassard, C. Crepeau, R. Jozsa, A. Peres, and W. Wootters, Phys. Rev. Lett. 70, 1895 (1993).
[CrossRef] [PubMed]

Erdmann, R.

W. P. Grice, R. Erdmann, I. A. Walmsley, and D. Branning, Phys. Rev. A 57, R2289 (1998).
[CrossRef]

Gisin, N.

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, Rev. Mod. Phys. 74, 145 (2002).
[CrossRef]

Grice, W. P.

Y.-H. Kim, S. P. Kulik, M. V. Chekhova, W. P. Grice, and Y. Shih, Phys. Rev. A 67, 010301(R) (2003).
[CrossRef]

Y.-H. Kim and W. P. Grice, J. Mod. Opt. 49, 2309 (2002).
[CrossRef]

W. P. Grice, A. B. U’Ren, and I. A. Walmsley, Phys. Rev. A 64, 063815 (2001).
[CrossRef]

W. P. Grice, R. Erdmann, I. A. Walmsley, and D. Branning, Phys. Rev. A 57, R2289 (1998).
[CrossRef]

W. P. Grice and I. A. Walmsley, Phys. Rev. A 56, 1627 (1997).
[CrossRef]

Jozsa, R.

C. H. Bennett, G. Brassard, C. Crepeau, R. Jozsa, A. Peres, and W. Wootters, Phys. Rev. Lett. 70, 1895 (1993).
[CrossRef] [PubMed]

Kim, Y.-H.

Y.-H. Kim, S. P. Kulik, M. V. Chekhova, W. P. Grice, and Y. Shih, Phys. Rev. A 67, 010301(R) (2003).
[CrossRef]

Y.-H. Kim, Phys. Rev. A 68, 013804 (2003).
[CrossRef]

Y.-H. Kim and W. P. Grice, J. Mod. Opt. 49, 2309 (2002).
[CrossRef]

Y.-H. Kim, S. P. Kulik, M. H. Rubin, and Y. Shih, Phys. Rev. Lett. 86, 4710 (2001).
[CrossRef]

Y.-H. Kim, S. P. Kulik, and Y. Shih, Phys. Rev. Lett. 86, 1370 (2001).
[CrossRef] [PubMed]

Y.-H. Kim, V. Berardi, M. V. Chekhova, and Y. Shih, Phys. Rev. A 64, 011801(R) (2001).
[CrossRef]

Klyshko, D. N.

D. N. Klyshko, Photons and Nonlinear Optics (Gordon & Breach, New York, 1988).

Kulik, S. P.

Y.-H. Kim, S. P. Kulik, M. V. Chekhova, W. P. Grice, and Y. Shih, Phys. Rev. A 67, 010301(R) (2003).
[CrossRef]

Y.-H. Kim, S. P. Kulik, and Y. Shih, Phys. Rev. Lett. 86, 1370 (2001).
[CrossRef] [PubMed]

Y.-H. Kim, S. P. Kulik, M. H. Rubin, and Y. Shih, Phys. Rev. Lett. 86, 4710 (2001).
[CrossRef]

Kwiat, P. G.

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, Phys. Rev. Lett. 75, 4337 (1995).
[CrossRef] [PubMed]

Mattle, K.

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, Phys. Rev. Lett. 75, 4337 (1995).
[CrossRef] [PubMed]

Peres, A.

C. H. Bennett, G. Brassard, C. Crepeau, R. Jozsa, A. Peres, and W. Wootters, Phys. Rev. Lett. 70, 1895 (1993).
[CrossRef] [PubMed]

Ribordy, G.

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, Rev. Mod. Phys. 74, 145 (2002).
[CrossRef]

Rubin, M. H.

Y.-H. Kim, S. P. Kulik, M. H. Rubin, and Y. Shih, Phys. Rev. Lett. 86, 4710 (2001).
[CrossRef]

Sergienko, A. V.

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, Phys. Rev. Lett. 75, 4337 (1995).
[CrossRef] [PubMed]

Shih, Y.

Y.-H. Kim, S. P. Kulik, M. V. Chekhova, W. P. Grice, and Y. Shih, Phys. Rev. A 67, 010301(R) (2003).
[CrossRef]

Y.-H. Kim, S. P. Kulik, and Y. Shih, Phys. Rev. Lett. 86, 1370 (2001).
[CrossRef] [PubMed]

Y.-H. Kim, V. Berardi, M. V. Chekhova, and Y. Shih, Phys. Rev. A 64, 011801(R) (2001).
[CrossRef]

Y.-H. Kim, S. P. Kulik, M. H. Rubin, and Y. Shih, Phys. Rev. Lett. 86, 4710 (2001).
[CrossRef]

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, Phys. Rev. Lett. 75, 4337 (1995).
[CrossRef] [PubMed]

Shih, Y. H.

Y. H. Shih and C. O. Alley, Phys. Rev. Lett. 61, 2921 (1988).
[CrossRef] [PubMed]

Takeuchi, S.

Tittel, W.

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, Rev. Mod. Phys. 74, 145 (2002).
[CrossRef]

U’Ren, A. B.

W. P. Grice, A. B. U’Ren, and I. A. Walmsley, Phys. Rev. A 64, 063815 (2001).
[CrossRef]

Walmsley, I. A.

W. P. Grice, A. B. U’Ren, and I. A. Walmsley, Phys. Rev. A 64, 063815 (2001).
[CrossRef]

W. P. Grice, R. Erdmann, I. A. Walmsley, and D. Branning, Phys. Rev. A 57, R2289 (1998).
[CrossRef]

W. P. Grice and I. A. Walmsley, Phys. Rev. A 56, 1627 (1997).
[CrossRef]

Weinfurter, H.

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, Phys. Rev. Lett. 75, 4337 (1995).
[CrossRef] [PubMed]

Wootters, W.

C. H. Bennett, G. Brassard, C. Crepeau, R. Jozsa, A. Peres, and W. Wootters, Phys. Rev. Lett. 70, 1895 (1993).
[CrossRef] [PubMed]

Zbinden, H.

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, Rev. Mod. Phys. 74, 145 (2002).
[CrossRef]

Zeilinger, A.

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, Phys. Rev. Lett. 75, 4337 (1995).
[CrossRef] [PubMed]

J. Mod. Opt. (1)

Y.-H. Kim and W. P. Grice, J. Mod. Opt. 49, 2309 (2002).
[CrossRef]

Opt. Lett. (1)

Phys. Rev. A (6)

Y.-H. Kim, Phys. Rev. A 68, 013804 (2003).
[CrossRef]

W. P. Grice and I. A. Walmsley, Phys. Rev. A 56, 1627 (1997).
[CrossRef]

W. P. Grice, A. B. U’Ren, and I. A. Walmsley, Phys. Rev. A 64, 063815 (2001).
[CrossRef]

W. P. Grice, R. Erdmann, I. A. Walmsley, and D. Branning, Phys. Rev. A 57, R2289 (1998).
[CrossRef]

Y.-H. Kim, V. Berardi, M. V. Chekhova, and Y. Shih, Phys. Rev. A 64, 011801(R) (2001).
[CrossRef]

Y.-H. Kim, S. P. Kulik, M. V. Chekhova, W. P. Grice, and Y. Shih, Phys. Rev. A 67, 010301(R) (2003).
[CrossRef]

Phys. Rev. Lett. (5)

Y. H. Shih and C. O. Alley, Phys. Rev. Lett. 61, 2921 (1988).
[CrossRef] [PubMed]

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, Phys. Rev. Lett. 75, 4337 (1995).
[CrossRef] [PubMed]

Y.-H. Kim, S. P. Kulik, M. H. Rubin, and Y. Shih, Phys. Rev. Lett. 86, 4710 (2001).
[CrossRef]

C. H. Bennett, G. Brassard, C. Crepeau, R. Jozsa, A. Peres, and W. Wootters, Phys. Rev. Lett. 70, 1895 (1993).
[CrossRef] [PubMed]

Y.-H. Kim, S. P. Kulik, and Y. Shih, Phys. Rev. Lett. 86, 1370 (2001).
[CrossRef] [PubMed]

Rev. Mod. Phys. (1)

N. Gisin, G. Ribordy, W. Tittel, and H. Zbinden, Rev. Mod. Phys. 74, 145 (2002).
[CrossRef]

Other (2)

D. N. Klyshko, Photons and Nonlinear Optics (Gordon & Breach, New York, 1988).

In this experiment a 0.25-m monochromator (CS260 from Oriel) with a 600-line?mmgrating (blaze wavelength at 400?nm) and a 0.5-m monochromator (DK480 from CVI) with a 1200-line?mm grating blazed at 750?nm were used. For focusing and collimating the photons into and out of monochromators CS260 and DK480, a set of lenses with f=25?mm and f=50?mm were used, respectively.

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Figures (4)

Fig. 1
Fig. 1

Calculated joint spectrum functions for type II SPDC: (a) cw UV pumping and (b) ultrafast UV pumping. Dashed lines represent lines with the signal wavelengths equal to the idler wavelengths. Note the asymmetry in (b).

Fig. 2
Fig. 2

Experimental setup: beamlike type II SPDC is used. λ 1 and λ 2 are monochromators.

Fig. 3
Fig. 3

Single-photon spectra of (a) cw UV pumped and (b) ultrafast UV pumped beamlike type II SPDC. Note that in (b) the single-photon bandwidths of the conjugate photons are noticeably different. Insets, full spectra of the SPDC. Entangled photons are found around the degenerate wavelengths, 702.2 or 780 nm . Secondary peaks at nondegenerate wavelengths, i.e., the e-ray peak at D 1 and the o-ray peak at D 2 , are due to the tails of the tuning curves of the e ray and the o ray, respectively (see Fig. 1 in Ref. [14]).

Fig. 4
Fig. 4

Joint spectrum of type II SPDC for (a) cw UV pumping and (b) ultrafast UV pumping. The data are in good agreement with the theory plots shown in Fig. 1.

Equations (1)

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ψ = C d ω e d ω o S ( ω e , ω o ) exp ( i Δ L 2 ) a e a o 0 ,

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