Abstract

We report on what is to our knowledge the first observation of the parametric fluorescence in bulk nonlinear crystals excited by commercial high-brightness incoherent blue LED.

© 2010 Optical Society of America

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  1. W. H. Louisell, A. Yariv, and A. E. Siegman, "Quantum fluctuations and noise in parametric processes," Phys. Rev. 124,1646-1654 (1961).
    [CrossRef]
  2. S. E. Harris, M. K. Oshman, and R. L. Byer, "Observation of tunable optical parametric fluorescence," Phys. Rev. Lett. 18,732-734 (1967).
    [CrossRef]
  3. J. G. Rarity, K. D. Ridley, and P. R. Tapster, "Absolute measurement of detector quantum efficiency using parametric down conversion," Appl. Opt. 26,4616-4619 (1987).
    [CrossRef] [PubMed]
  4. E. C. Cheung, K. Koch, G. T. Moore, and J. M. Liu, "Measurements of second-order nonlinear optical coefficients from the spectral brightness of parametric fluorescence," Opt. Lett. 19,168-170 (1994).
    [CrossRef] [PubMed]
  5. B. E. A. Saleh, B. M. Jost, H.-B. Fei, and M. C. Teich, "Entangled-photon virtual-state spectroscopy," Phys. Rev. Lett. 80,3483-3486 (1998).
    [CrossRef]
  6. T. Jennewein, C. Simon, G. Weihs, H. Weinfurter, and A. Zeilinger, "Quantum cryptography with entangled photons," Phys. Rev. Lett. 84, 4729-4732 (2000).
    [CrossRef] [PubMed]
  7. A. N. Boto, P. Kok, D. S. Abrams, S. L. Braunstein, C. P. Williams, and J. P. Dowling, "Quantum interferometric optical lithography: exploiting entanglement to beat the diffraction limit," Phys. Rev. Lett. 85,2733-2736 (2000).
    [CrossRef] [PubMed]
  8. K. C. Toussaint, G. Di Giuseppe, K. J. Bycenski, A. V. Sergienko, B. E. A. Saleh, and M. C. Teich, "Quantum ellipsometry using correlated-photon beams," Phys. Rev. A 70,023801 (2004).
    [CrossRef]
  9. R. Thew and N. Gisin, "Quantum communication," Nat. Photon. 1,165-171 (2007).
    [CrossRef]
  10. I. P. Degiovanni, M. Genovese, V. Schettini, M. Bondani, A. Andreoni, and M. G. A. Paris, "Monitoring the quantum-classical transition in thermally seeded parametric down-conversion by intensity measurements," Phys. Rev. A 79,063836 (2009).
    [CrossRef]
  11. D. N. Klyshko, Photons and Nonlinear Optics (Nauka, Moscow, 1980).
  12. S. A. Castelleto and R. E. Scholten, "Heralded single photon sources: a route towards quantum communication and photon standards," Eur. Phys. J. Appl. Phys. 41,181-194 (2008).
    [CrossRef]
  13. M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
    [CrossRef] [PubMed]
  14. J. Peřina, Jr., M. Centini, C. Sibilia, and M. Bertolotti, "Photon-pair generation in random nonlinear layered structures," Phys. Rev. A 80,033844 (2009).
    [CrossRef]
  15. F. A. Ponce and D. P. Bour, "Nitride-based semiconductors for blue and green light-emitting devices," Nature 386,351-359 (1997).
    [CrossRef]
  16. R. L. Byer and S. E. Harris, "Power and bandwidth of spontaneous parametric emission," Phys. Rev. 168,1064-1068 (1968).
    [CrossRef]
  17. A. Joobeur, B. E. A. Saleh, and M. C. Teich, "Spatiotemporal coherence properties of entangled light beams by parametric down-conversion," Phys. Rev. A 50,3349-3361 (1994).
    [CrossRef] [PubMed]
  18. D. N. Nikogosyan, Nonlinear Optical Crystals: A Complete Survey (Springer, New York, 2005).
  19. S. Cialdi, F. Castelli, and M. G. A. Paris, "Properties of entangled photon pairs generated by a CW laser with small coherence time: theory and experiment," J. Mod. Opt. 56,215-225 (2009).
    [CrossRef]
  20. P. S. K. Lee, M. P. van Exter, and J. P. Woerdman, "How focused pumping affects type-II spontaneous parametric down-conversion," Phys. Rev. A 72,033803 (2005).
    [CrossRef]
  21. P. Kumar, O. Aytür, and J. Huang, "Squeezed-light generation with an incoherent pump," Phys. Rev. Lett. 64,1015-1018 (1990).
    [CrossRef] [PubMed]
  22. J. Y. Joo, C. S. Kang, S. S. Park, and S.-K. Lee, "LED beam shaping lens based on the near-field illumination," Opt. Express 17,23449-23458 (2009), http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-17-26-23449.
    [CrossRef]

2009 (4)

I. P. Degiovanni, M. Genovese, V. Schettini, M. Bondani, A. Andreoni, and M. G. A. Paris, "Monitoring the quantum-classical transition in thermally seeded parametric down-conversion by intensity measurements," Phys. Rev. A 79,063836 (2009).
[CrossRef]

J. Peřina, Jr., M. Centini, C. Sibilia, and M. Bertolotti, "Photon-pair generation in random nonlinear layered structures," Phys. Rev. A 80,033844 (2009).
[CrossRef]

S. Cialdi, F. Castelli, and M. G. A. Paris, "Properties of entangled photon pairs generated by a CW laser with small coherence time: theory and experiment," J. Mod. Opt. 56,215-225 (2009).
[CrossRef]

J. Y. Joo, C. S. Kang, S. S. Park, and S.-K. Lee, "LED beam shaping lens based on the near-field illumination," Opt. Express 17,23449-23458 (2009), http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-17-26-23449.
[CrossRef]

2008 (2)

S. A. Castelleto and R. E. Scholten, "Heralded single photon sources: a route towards quantum communication and photon standards," Eur. Phys. J. Appl. Phys. 41,181-194 (2008).
[CrossRef]

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

2007 (1)

R. Thew and N. Gisin, "Quantum communication," Nat. Photon. 1,165-171 (2007).
[CrossRef]

2005 (1)

P. S. K. Lee, M. P. van Exter, and J. P. Woerdman, "How focused pumping affects type-II spontaneous parametric down-conversion," Phys. Rev. A 72,033803 (2005).
[CrossRef]

2004 (1)

K. C. Toussaint, G. Di Giuseppe, K. J. Bycenski, A. V. Sergienko, B. E. A. Saleh, and M. C. Teich, "Quantum ellipsometry using correlated-photon beams," Phys. Rev. A 70,023801 (2004).
[CrossRef]

2000 (2)

T. Jennewein, C. Simon, G. Weihs, H. Weinfurter, and A. Zeilinger, "Quantum cryptography with entangled photons," Phys. Rev. Lett. 84, 4729-4732 (2000).
[CrossRef] [PubMed]

A. N. Boto, P. Kok, D. S. Abrams, S. L. Braunstein, C. P. Williams, and J. P. Dowling, "Quantum interferometric optical lithography: exploiting entanglement to beat the diffraction limit," Phys. Rev. Lett. 85,2733-2736 (2000).
[CrossRef] [PubMed]

1998 (1)

B. E. A. Saleh, B. M. Jost, H.-B. Fei, and M. C. Teich, "Entangled-photon virtual-state spectroscopy," Phys. Rev. Lett. 80,3483-3486 (1998).
[CrossRef]

1997 (1)

F. A. Ponce and D. P. Bour, "Nitride-based semiconductors for blue and green light-emitting devices," Nature 386,351-359 (1997).
[CrossRef]

1994 (2)

A. Joobeur, B. E. A. Saleh, and M. C. Teich, "Spatiotemporal coherence properties of entangled light beams by parametric down-conversion," Phys. Rev. A 50,3349-3361 (1994).
[CrossRef] [PubMed]

E. C. Cheung, K. Koch, G. T. Moore, and J. M. Liu, "Measurements of second-order nonlinear optical coefficients from the spectral brightness of parametric fluorescence," Opt. Lett. 19,168-170 (1994).
[CrossRef] [PubMed]

1990 (1)

P. Kumar, O. Aytür, and J. Huang, "Squeezed-light generation with an incoherent pump," Phys. Rev. Lett. 64,1015-1018 (1990).
[CrossRef] [PubMed]

1987 (1)

1968 (1)

R. L. Byer and S. E. Harris, "Power and bandwidth of spontaneous parametric emission," Phys. Rev. 168,1064-1068 (1968).
[CrossRef]

1967 (1)

S. E. Harris, M. K. Oshman, and R. L. Byer, "Observation of tunable optical parametric fluorescence," Phys. Rev. Lett. 18,732-734 (1967).
[CrossRef]

1961 (1)

W. H. Louisell, A. Yariv, and A. E. Siegman, "Quantum fluctuations and noise in parametric processes," Phys. Rev. 124,1646-1654 (1961).
[CrossRef]

Abrams, D. S.

A. N. Boto, P. Kok, D. S. Abrams, S. L. Braunstein, C. P. Williams, and J. P. Dowling, "Quantum interferometric optical lithography: exploiting entanglement to beat the diffraction limit," Phys. Rev. Lett. 85,2733-2736 (2000).
[CrossRef] [PubMed]

Andreoni, A.

I. P. Degiovanni, M. Genovese, V. Schettini, M. Bondani, A. Andreoni, and M. G. A. Paris, "Monitoring the quantum-classical transition in thermally seeded parametric down-conversion by intensity measurements," Phys. Rev. A 79,063836 (2009).
[CrossRef]

Aytür, O.

P. Kumar, O. Aytür, and J. Huang, "Squeezed-light generation with an incoherent pump," Phys. Rev. Lett. 64,1015-1018 (1990).
[CrossRef] [PubMed]

Bertolotti, M.

J. Peřina, Jr., M. Centini, C. Sibilia, and M. Bertolotti, "Photon-pair generation in random nonlinear layered structures," Phys. Rev. A 80,033844 (2009).
[CrossRef]

Bondani, M.

I. P. Degiovanni, M. Genovese, V. Schettini, M. Bondani, A. Andreoni, and M. G. A. Paris, "Monitoring the quantum-classical transition in thermally seeded parametric down-conversion by intensity measurements," Phys. Rev. A 79,063836 (2009).
[CrossRef]

Boto, A. N.

A. N. Boto, P. Kok, D. S. Abrams, S. L. Braunstein, C. P. Williams, and J. P. Dowling, "Quantum interferometric optical lithography: exploiting entanglement to beat the diffraction limit," Phys. Rev. Lett. 85,2733-2736 (2000).
[CrossRef] [PubMed]

Bour, D. P.

F. A. Ponce and D. P. Bour, "Nitride-based semiconductors for blue and green light-emitting devices," Nature 386,351-359 (1997).
[CrossRef]

Braunstein, S. L.

A. N. Boto, P. Kok, D. S. Abrams, S. L. Braunstein, C. P. Williams, and J. P. Dowling, "Quantum interferometric optical lithography: exploiting entanglement to beat the diffraction limit," Phys. Rev. Lett. 85,2733-2736 (2000).
[CrossRef] [PubMed]

Bycenski, K. J.

K. C. Toussaint, G. Di Giuseppe, K. J. Bycenski, A. V. Sergienko, B. E. A. Saleh, and M. C. Teich, "Quantum ellipsometry using correlated-photon beams," Phys. Rev. A 70,023801 (2004).
[CrossRef]

Byer, R. L.

R. L. Byer and S. E. Harris, "Power and bandwidth of spontaneous parametric emission," Phys. Rev. 168,1064-1068 (1968).
[CrossRef]

S. E. Harris, M. K. Oshman, and R. L. Byer, "Observation of tunable optical parametric fluorescence," Phys. Rev. Lett. 18,732-734 (1967).
[CrossRef]

Carrasco, S.

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

Castelleto, S. A.

S. A. Castelleto and R. E. Scholten, "Heralded single photon sources: a route towards quantum communication and photon standards," Eur. Phys. J. Appl. Phys. 41,181-194 (2008).
[CrossRef]

Castelli, F.

S. Cialdi, F. Castelli, and M. G. A. Paris, "Properties of entangled photon pairs generated by a CW laser with small coherence time: theory and experiment," J. Mod. Opt. 56,215-225 (2009).
[CrossRef]

Centini, M.

J. Peřina, Jr., M. Centini, C. Sibilia, and M. Bertolotti, "Photon-pair generation in random nonlinear layered structures," Phys. Rev. A 80,033844 (2009).
[CrossRef]

Cheung, E. C.

Cialdi, S.

S. Cialdi, F. Castelli, and M. G. A. Paris, "Properties of entangled photon pairs generated by a CW laser with small coherence time: theory and experiment," J. Mod. Opt. 56,215-225 (2009).
[CrossRef]

Degiovanni, I. P.

I. P. Degiovanni, M. Genovese, V. Schettini, M. Bondani, A. Andreoni, and M. G. A. Paris, "Monitoring the quantum-classical transition in thermally seeded parametric down-conversion by intensity measurements," Phys. Rev. A 79,063836 (2009).
[CrossRef]

Di Giuseppe, G.

K. C. Toussaint, G. Di Giuseppe, K. J. Bycenski, A. V. Sergienko, B. E. A. Saleh, and M. C. Teich, "Quantum ellipsometry using correlated-photon beams," Phys. Rev. A 70,023801 (2004).
[CrossRef]

Dowling, J. P.

A. N. Boto, P. Kok, D. S. Abrams, S. L. Braunstein, C. P. Williams, and J. P. Dowling, "Quantum interferometric optical lithography: exploiting entanglement to beat the diffraction limit," Phys. Rev. Lett. 85,2733-2736 (2000).
[CrossRef] [PubMed]

Fei, H.-B.

B. E. A. Saleh, B. M. Jost, H.-B. Fei, and M. C. Teich, "Entangled-photon virtual-state spectroscopy," Phys. Rev. Lett. 80,3483-3486 (1998).
[CrossRef]

Fejer, M. M.

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

Genovese, M.

I. P. Degiovanni, M. Genovese, V. Schettini, M. Bondani, A. Andreoni, and M. G. A. Paris, "Monitoring the quantum-classical transition in thermally seeded parametric down-conversion by intensity measurements," Phys. Rev. A 79,063836 (2009).
[CrossRef]

Gisin, N.

R. Thew and N. Gisin, "Quantum communication," Nat. Photon. 1,165-171 (2007).
[CrossRef]

Harris, S. E.

R. L. Byer and S. E. Harris, "Power and bandwidth of spontaneous parametric emission," Phys. Rev. 168,1064-1068 (1968).
[CrossRef]

S. E. Harris, M. K. Oshman, and R. L. Byer, "Observation of tunable optical parametric fluorescence," Phys. Rev. Lett. 18,732-734 (1967).
[CrossRef]

Huang, J.

P. Kumar, O. Aytür, and J. Huang, "Squeezed-light generation with an incoherent pump," Phys. Rev. Lett. 64,1015-1018 (1990).
[CrossRef] [PubMed]

Hum, D. S.

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

Jennewein, T.

T. Jennewein, C. Simon, G. Weihs, H. Weinfurter, and A. Zeilinger, "Quantum cryptography with entangled photons," Phys. Rev. Lett. 84, 4729-4732 (2000).
[CrossRef] [PubMed]

Joo, J. Y.

Joobeur, A.

A. Joobeur, B. E. A. Saleh, and M. C. Teich, "Spatiotemporal coherence properties of entangled light beams by parametric down-conversion," Phys. Rev. A 50,3349-3361 (1994).
[CrossRef] [PubMed]

Jost, B. M.

B. E. A. Saleh, B. M. Jost, H.-B. Fei, and M. C. Teich, "Entangled-photon virtual-state spectroscopy," Phys. Rev. Lett. 80,3483-3486 (1998).
[CrossRef]

Kang, C. S.

Koch, K.

Kok, P.

A. N. Boto, P. Kok, D. S. Abrams, S. L. Braunstein, C. P. Williams, and J. P. Dowling, "Quantum interferometric optical lithography: exploiting entanglement to beat the diffraction limit," Phys. Rev. Lett. 85,2733-2736 (2000).
[CrossRef] [PubMed]

Kumar, P.

P. Kumar, O. Aytür, and J. Huang, "Squeezed-light generation with an incoherent pump," Phys. Rev. Lett. 64,1015-1018 (1990).
[CrossRef] [PubMed]

Lee, P. S. K.

P. S. K. Lee, M. P. van Exter, and J. P. Woerdman, "How focused pumping affects type-II spontaneous parametric down-conversion," Phys. Rev. A 72,033803 (2005).
[CrossRef]

Lee, S.-K.

Liu, J. M.

Louisell, W. H.

W. H. Louisell, A. Yariv, and A. E. Siegman, "Quantum fluctuations and noise in parametric processes," Phys. Rev. 124,1646-1654 (1961).
[CrossRef]

Moore, G. T.

Nasr, M. B.

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

Oshman, M. K.

S. E. Harris, M. K. Oshman, and R. L. Byer, "Observation of tunable optical parametric fluorescence," Phys. Rev. Lett. 18,732-734 (1967).
[CrossRef]

Paris, M. G. A.

I. P. Degiovanni, M. Genovese, V. Schettini, M. Bondani, A. Andreoni, and M. G. A. Paris, "Monitoring the quantum-classical transition in thermally seeded parametric down-conversion by intensity measurements," Phys. Rev. A 79,063836 (2009).
[CrossRef]

S. Cialdi, F. Castelli, and M. G. A. Paris, "Properties of entangled photon pairs generated by a CW laser with small coherence time: theory and experiment," J. Mod. Opt. 56,215-225 (2009).
[CrossRef]

Park, S. S.

Perina, J.

J. Peřina, Jr., M. Centini, C. Sibilia, and M. Bertolotti, "Photon-pair generation in random nonlinear layered structures," Phys. Rev. A 80,033844 (2009).
[CrossRef]

Ponce, F. A.

F. A. Ponce and D. P. Bour, "Nitride-based semiconductors for blue and green light-emitting devices," Nature 386,351-359 (1997).
[CrossRef]

Rarity, J. G.

Ridley, K. D.

Saleh, B. E. A.

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

K. C. Toussaint, G. Di Giuseppe, K. J. Bycenski, A. V. Sergienko, B. E. A. Saleh, and M. C. Teich, "Quantum ellipsometry using correlated-photon beams," Phys. Rev. A 70,023801 (2004).
[CrossRef]

B. E. A. Saleh, B. M. Jost, H.-B. Fei, and M. C. Teich, "Entangled-photon virtual-state spectroscopy," Phys. Rev. Lett. 80,3483-3486 (1998).
[CrossRef]

A. Joobeur, B. E. A. Saleh, and M. C. Teich, "Spatiotemporal coherence properties of entangled light beams by parametric down-conversion," Phys. Rev. A 50,3349-3361 (1994).
[CrossRef] [PubMed]

Schettini, V.

I. P. Degiovanni, M. Genovese, V. Schettini, M. Bondani, A. Andreoni, and M. G. A. Paris, "Monitoring the quantum-classical transition in thermally seeded parametric down-conversion by intensity measurements," Phys. Rev. A 79,063836 (2009).
[CrossRef]

Scholten, R. E.

S. A. Castelleto and R. E. Scholten, "Heralded single photon sources: a route towards quantum communication and photon standards," Eur. Phys. J. Appl. Phys. 41,181-194 (2008).
[CrossRef]

Sergienko, A. V.

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

K. C. Toussaint, G. Di Giuseppe, K. J. Bycenski, A. V. Sergienko, B. E. A. Saleh, and M. C. Teich, "Quantum ellipsometry using correlated-photon beams," Phys. Rev. A 70,023801 (2004).
[CrossRef]

Sibilia, C.

J. Peřina, Jr., M. Centini, C. Sibilia, and M. Bertolotti, "Photon-pair generation in random nonlinear layered structures," Phys. Rev. A 80,033844 (2009).
[CrossRef]

Siegman, A. E.

W. H. Louisell, A. Yariv, and A. E. Siegman, "Quantum fluctuations and noise in parametric processes," Phys. Rev. 124,1646-1654 (1961).
[CrossRef]

Simon, C.

T. Jennewein, C. Simon, G. Weihs, H. Weinfurter, and A. Zeilinger, "Quantum cryptography with entangled photons," Phys. Rev. Lett. 84, 4729-4732 (2000).
[CrossRef] [PubMed]

Tapster, P. R.

Teich, M. C.

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

K. C. Toussaint, G. Di Giuseppe, K. J. Bycenski, A. V. Sergienko, B. E. A. Saleh, and M. C. Teich, "Quantum ellipsometry using correlated-photon beams," Phys. Rev. A 70,023801 (2004).
[CrossRef]

B. E. A. Saleh, B. M. Jost, H.-B. Fei, and M. C. Teich, "Entangled-photon virtual-state spectroscopy," Phys. Rev. Lett. 80,3483-3486 (1998).
[CrossRef]

A. Joobeur, B. E. A. Saleh, and M. C. Teich, "Spatiotemporal coherence properties of entangled light beams by parametric down-conversion," Phys. Rev. A 50,3349-3361 (1994).
[CrossRef] [PubMed]

Thew, R.

R. Thew and N. Gisin, "Quantum communication," Nat. Photon. 1,165-171 (2007).
[CrossRef]

Torner, L.

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

Torres, J. P.

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

Toussaint, K. C.

K. C. Toussaint, G. Di Giuseppe, K. J. Bycenski, A. V. Sergienko, B. E. A. Saleh, and M. C. Teich, "Quantum ellipsometry using correlated-photon beams," Phys. Rev. A 70,023801 (2004).
[CrossRef]

van Exter, M. P.

P. S. K. Lee, M. P. van Exter, and J. P. Woerdman, "How focused pumping affects type-II spontaneous parametric down-conversion," Phys. Rev. A 72,033803 (2005).
[CrossRef]

Weihs, G.

T. Jennewein, C. Simon, G. Weihs, H. Weinfurter, and A. Zeilinger, "Quantum cryptography with entangled photons," Phys. Rev. Lett. 84, 4729-4732 (2000).
[CrossRef] [PubMed]

Weinfurter, H.

T. Jennewein, C. Simon, G. Weihs, H. Weinfurter, and A. Zeilinger, "Quantum cryptography with entangled photons," Phys. Rev. Lett. 84, 4729-4732 (2000).
[CrossRef] [PubMed]

Williams, C. P.

A. N. Boto, P. Kok, D. S. Abrams, S. L. Braunstein, C. P. Williams, and J. P. Dowling, "Quantum interferometric optical lithography: exploiting entanglement to beat the diffraction limit," Phys. Rev. Lett. 85,2733-2736 (2000).
[CrossRef] [PubMed]

Woerdman, J. P.

P. S. K. Lee, M. P. van Exter, and J. P. Woerdman, "How focused pumping affects type-II spontaneous parametric down-conversion," Phys. Rev. A 72,033803 (2005).
[CrossRef]

Yariv, A.

W. H. Louisell, A. Yariv, and A. E. Siegman, "Quantum fluctuations and noise in parametric processes," Phys. Rev. 124,1646-1654 (1961).
[CrossRef]

Zeilinger, A.

T. Jennewein, C. Simon, G. Weihs, H. Weinfurter, and A. Zeilinger, "Quantum cryptography with entangled photons," Phys. Rev. Lett. 84, 4729-4732 (2000).
[CrossRef] [PubMed]

Appl. Opt. (1)

Eur. Phys. J. Appl. Phys. (1)

S. A. Castelleto and R. E. Scholten, "Heralded single photon sources: a route towards quantum communication and photon standards," Eur. Phys. J. Appl. Phys. 41,181-194 (2008).
[CrossRef]

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S. Cialdi, F. Castelli, and M. G. A. Paris, "Properties of entangled photon pairs generated by a CW laser with small coherence time: theory and experiment," J. Mod. Opt. 56,215-225 (2009).
[CrossRef]

Nat. Photon. (1)

R. Thew and N. Gisin, "Quantum communication," Nat. Photon. 1,165-171 (2007).
[CrossRef]

Nature (1)

F. A. Ponce and D. P. Bour, "Nitride-based semiconductors for blue and green light-emitting devices," Nature 386,351-359 (1997).
[CrossRef]

Opt. Express (1)

Opt. Lett. (1)

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R. L. Byer and S. E. Harris, "Power and bandwidth of spontaneous parametric emission," Phys. Rev. 168,1064-1068 (1968).
[CrossRef]

W. H. Louisell, A. Yariv, and A. E. Siegman, "Quantum fluctuations and noise in parametric processes," Phys. Rev. 124,1646-1654 (1961).
[CrossRef]

Phys. Rev. A (5)

P. S. K. Lee, M. P. van Exter, and J. P. Woerdman, "How focused pumping affects type-II spontaneous parametric down-conversion," Phys. Rev. A 72,033803 (2005).
[CrossRef]

A. Joobeur, B. E. A. Saleh, and M. C. Teich, "Spatiotemporal coherence properties of entangled light beams by parametric down-conversion," Phys. Rev. A 50,3349-3361 (1994).
[CrossRef] [PubMed]

I. P. Degiovanni, M. Genovese, V. Schettini, M. Bondani, A. Andreoni, and M. G. A. Paris, "Monitoring the quantum-classical transition in thermally seeded parametric down-conversion by intensity measurements," Phys. Rev. A 79,063836 (2009).
[CrossRef]

K. C. Toussaint, G. Di Giuseppe, K. J. Bycenski, A. V. Sergienko, B. E. A. Saleh, and M. C. Teich, "Quantum ellipsometry using correlated-photon beams," Phys. Rev. A 70,023801 (2004).
[CrossRef]

J. Peřina, Jr., M. Centini, C. Sibilia, and M. Bertolotti, "Photon-pair generation in random nonlinear layered structures," Phys. Rev. A 80,033844 (2009).
[CrossRef]

Phys. Rev. Lett. (6)

M. B. Nasr, S. Carrasco, B. E. A. Saleh, A. V. Sergienko, M. C. Teich, J. P. Torres, L. Torner, D. S. Hum, and M. M. Fejer, "Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down conversion," Phys. Rev. Lett. 100,183601 (2008).
[CrossRef] [PubMed]

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[CrossRef]

T. Jennewein, C. Simon, G. Weihs, H. Weinfurter, and A. Zeilinger, "Quantum cryptography with entangled photons," Phys. Rev. Lett. 84, 4729-4732 (2000).
[CrossRef] [PubMed]

A. N. Boto, P. Kok, D. S. Abrams, S. L. Braunstein, C. P. Williams, and J. P. Dowling, "Quantum interferometric optical lithography: exploiting entanglement to beat the diffraction limit," Phys. Rev. Lett. 85,2733-2736 (2000).
[CrossRef] [PubMed]

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D. N. Nikogosyan, Nonlinear Optical Crystals: A Complete Survey (Springer, New York, 2005).

D. N. Klyshko, Photons and Nonlinear Optics (Nauka, Moscow, 1980).

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Figures (4)

Fig. 1.
Fig. 1.

(a) Experimental setup. Lenses L1, L2 and apertures D1, D2 serve for LED beam shaping, F1 and F2 are the color filters, GP is the Glan prism for polarization control, L3 is the imaging lens, FP is the film polarizer. (b) Emission spectrum of the LED and spectral detection range of the detection system in terms of quantum efficiency.

Fig. 2.
Fig. 2.

Angular distributions of the parametric fluorescence excited (a)–(c) in LiIO3, (d)–(f) in KDP, (g)–(i) in BBO crystals, recorded at different crystal offset Δθ from the scalar phase matching angle.

Fig. 3.
Fig. 3.

Number of detected photons and spectral flux of the parametric fluorescence in LiIO3 and KDP crystals of 20 mm thickness, measured at equal crystal offset Δθ = +0.5°. Solid lines show the linear fit, dashed lines represent the results of numerical simulation.

Fig. 4.
Fig. 4.

Effect of the pump coherence on the angular properties of the parametric fluorescence. Central cross-sections of the parametric fluorescence cones excited (a) in LiIO3 crystal with different spectral bandwidth and (b) in KDP crystal with different divergence of the pump. Points show the experimental data, lines represent the results of numerical simulation.

Equations (4)

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P s = L 2 0 π / 2 π / 2 π / 2 π / 2 P ω p ϕ θ βq ( ω s ) sinc 2 ( Δ kL 2 ) d ϕ d θ d ω s ,
β = ω s 4 ω i d eff h ̅ n s 4 π 3 ε 0 c 5 n i n p ,
Δ k = k p k s k i + k s k p 2 k i ( ϕ 2 + θ 2 ) ,
P ω p ϕ θ = S ( ω p ) S ϕ θ P 0 ,

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