Abstract

We demonstrate that collective atomic interferences can be investigated by measuring the superfluorescence (SF) time delay. A pair of broadband (20nm), ultrashort (80fs), collinear pulses with a variable delay coherently excites rubidium (Rb) atoms. The generated superfluorescent pulses at 420 nm on the cascade transition are recorded by a picosecond streak camera. Both intensity and SF time delay of the 420 nm pulse are altered as the delay between input pulses varies. In particular, the SF time delay of the normalized 420 nm pulse exhibits oscillations with different periods. This can be understood in terms of atomic and quantum interferences due to two possible two-photon excitation pathways through the intermediate levels (Rb D-lines).

© 2012 Optical Society of America

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    [CrossRef]
  2. N. E. Rehler and J. H. Eberly, Phys. Rev. A 3, 1735 (1971).
    [CrossRef]
  3. R. Bonifacio and L. Lugiato, Phys. Rev. A 11, 1507 (1975).
    [CrossRef]
  4. Q. H. F. Vrehen, H. M. J. Hikspoors, and H. M. Gibbs, Phys. Rev. Lett. 38, 764 (1977).
    [CrossRef]
  5. J. H. Brownell, X. Lu, and S. R. Hartmann, Phys. Rev. Lett. 75, 3265 (1995).
    [CrossRef]
  6. A. I. Lvovsky, S. R. Hartmann, and F. Moshary, Phys. Rev. Lett. 82, 4420 (1999).
    [CrossRef]
  7. E. Paradis, B. Barrett, A. Kumarakrishnan, R. Zhang, and G. Raithel, Phys. Rev. A 77, 043419 (2008).
    [CrossRef]
  8. G. O. Ariunbold, M. M. Kash, V. A. Sautenkov, H. Li, Yu. V. Rostovtsev, G. R. Welch, and M. O. Scully, Phys. Rev. A 82, 043421 (2010).
    [CrossRef]
  9. G. O. Ariunbold, V. A. Sautenkov, and M. O. Scully, Phys. Lett. A 376, 335 (2012).
    [CrossRef]
  10. G. O. Ariunbold, “Ultrafast cooperative phenomena in coherently prepared media: from superfluorescence to coherent Raman scattering and applications,” Ph.D. thesis (Texas A&M University, 2011).
  11. D. Meshulach and Y. Silberberg, Nature 396, 239 (1998).
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  12. V. Blanchet, C. Nicole, M.-A. Bouchene, and B. Gigard, Phys. Rev. Lett. 78, 2716 (1997).
    [CrossRef]
  13. M. Bellini, A. Bartoli, and T. W. Hänsch, Opt. Lett. 22, 540 (1997).
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  14. D. Felinto, L. H. Acioli, and S. S. Vianna, Opt. Lett. 25, 917 (2000).
    [CrossRef]
  15. H. G. Barros, J. Ferraz, W. B. Lozano, L. H. Acioli, and S. S. Vianna, Phys. Rev. A 74, 055402 (2006).
    [CrossRef]
  16. C.-J. Zhu, Y. Xiao, A. A. Senin, J. Gao, J. G. Eden, T. S. Varzhapetyan, and D. H. Sarkisyan, Phys. Rev. A 75, 053405 (2007).
    [CrossRef]
  17. G. O. Ariunbold, V. A. Sautenkov, and M. O. Scully, J. Opt. Soc. Am. B 28, 462 (2011).
    [CrossRef]
  18. N. Dudovich, B. Dayan, S. M. Gallagher-Faeder, and Y. Silberberg, Phys. Rev. Lett. 86, 47 (2001).
    [CrossRef]
  19. U. C. Hölscher, S. D. Clow, and T. Weinacht, Phys. Rev. A 80, 011812(R) (2009).
    [CrossRef]
  20. R. B. López-Martens, T. W. Schmidt, and G. Roberts, Phys. Rev. A 62, 013414 (2000), and references therein.
    [CrossRef]
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    [CrossRef]
  22. L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
    [CrossRef]

2012 (1)

G. O. Ariunbold, V. A. Sautenkov, and M. O. Scully, Phys. Lett. A 376, 335 (2012).
[CrossRef]

2011 (1)

2010 (2)

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

G. O. Ariunbold, M. M. Kash, V. A. Sautenkov, H. Li, Yu. V. Rostovtsev, G. R. Welch, and M. O. Scully, Phys. Rev. A 82, 043421 (2010).
[CrossRef]

2009 (1)

U. C. Hölscher, S. D. Clow, and T. Weinacht, Phys. Rev. A 80, 011812(R) (2009).
[CrossRef]

2008 (1)

E. Paradis, B. Barrett, A. Kumarakrishnan, R. Zhang, and G. Raithel, Phys. Rev. A 77, 043419 (2008).
[CrossRef]

2007 (1)

C.-J. Zhu, Y. Xiao, A. A. Senin, J. Gao, J. G. Eden, T. S. Varzhapetyan, and D. H. Sarkisyan, Phys. Rev. A 75, 053405 (2007).
[CrossRef]

2006 (2)

H. G. Barros, J. Ferraz, W. B. Lozano, L. H. Acioli, and S. S. Vianna, Phys. Rev. A 74, 055402 (2006).
[CrossRef]

C. Trallero-Herrero, M. Spanner, and T. Weinacht, Phys. Rev. A 74, 051403(R) (2006).
[CrossRef]

2001 (1)

N. Dudovich, B. Dayan, S. M. Gallagher-Faeder, and Y. Silberberg, Phys. Rev. Lett. 86, 47 (2001).
[CrossRef]

2000 (2)

R. B. López-Martens, T. W. Schmidt, and G. Roberts, Phys. Rev. A 62, 013414 (2000), and references therein.
[CrossRef]

D. Felinto, L. H. Acioli, and S. S. Vianna, Opt. Lett. 25, 917 (2000).
[CrossRef]

1999 (1)

A. I. Lvovsky, S. R. Hartmann, and F. Moshary, Phys. Rev. Lett. 82, 4420 (1999).
[CrossRef]

1998 (1)

D. Meshulach and Y. Silberberg, Nature 396, 239 (1998).
[CrossRef]

1997 (2)

V. Blanchet, C. Nicole, M.-A. Bouchene, and B. Gigard, Phys. Rev. Lett. 78, 2716 (1997).
[CrossRef]

M. Bellini, A. Bartoli, and T. W. Hänsch, Opt. Lett. 22, 540 (1997).
[CrossRef]

1995 (1)

J. H. Brownell, X. Lu, and S. R. Hartmann, Phys. Rev. Lett. 75, 3265 (1995).
[CrossRef]

1977 (1)

Q. H. F. Vrehen, H. M. J. Hikspoors, and H. M. Gibbs, Phys. Rev. Lett. 38, 764 (1977).
[CrossRef]

1975 (1)

R. Bonifacio and L. Lugiato, Phys. Rev. A 11, 1507 (1975).
[CrossRef]

1971 (1)

N. E. Rehler and J. H. Eberly, Phys. Rev. A 3, 1735 (1971).
[CrossRef]

1954 (1)

R. H. Dicke, Phys. Rev. 93, 99 (1954).
[CrossRef]

Acioli, L. H.

H. G. Barros, J. Ferraz, W. B. Lozano, L. H. Acioli, and S. S. Vianna, Phys. Rev. A 74, 055402 (2006).
[CrossRef]

D. Felinto, L. H. Acioli, and S. S. Vianna, Opt. Lett. 25, 917 (2000).
[CrossRef]

Ariunbold, G. O.

G. O. Ariunbold, V. A. Sautenkov, and M. O. Scully, Phys. Lett. A 376, 335 (2012).
[CrossRef]

G. O. Ariunbold, V. A. Sautenkov, and M. O. Scully, J. Opt. Soc. Am. B 28, 462 (2011).
[CrossRef]

G. O. Ariunbold, M. M. Kash, V. A. Sautenkov, H. Li, Yu. V. Rostovtsev, G. R. Welch, and M. O. Scully, Phys. Rev. A 82, 043421 (2010).
[CrossRef]

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

G. O. Ariunbold, “Ultrafast cooperative phenomena in coherently prepared media: from superfluorescence to coherent Raman scattering and applications,” Ph.D. thesis (Texas A&M University, 2011).

Barrett, B.

E. Paradis, B. Barrett, A. Kumarakrishnan, R. Zhang, and G. Raithel, Phys. Rev. A 77, 043419 (2008).
[CrossRef]

Barros, H. G.

H. G. Barros, J. Ferraz, W. B. Lozano, L. H. Acioli, and S. S. Vianna, Phys. Rev. A 74, 055402 (2006).
[CrossRef]

Bartoli, A.

Bellini, M.

Blanchet, V.

V. Blanchet, C. Nicole, M.-A. Bouchene, and B. Gigard, Phys. Rev. Lett. 78, 2716 (1997).
[CrossRef]

Bonifacio, R.

R. Bonifacio and L. Lugiato, Phys. Rev. A 11, 1507 (1975).
[CrossRef]

Bouchene, M.-A.

V. Blanchet, C. Nicole, M.-A. Bouchene, and B. Gigard, Phys. Rev. Lett. 78, 2716 (1997).
[CrossRef]

Brownell, J. H.

J. H. Brownell, X. Lu, and S. R. Hartmann, Phys. Rev. Lett. 75, 3265 (1995).
[CrossRef]

Clow, S. D.

U. C. Hölscher, S. D. Clow, and T. Weinacht, Phys. Rev. A 80, 011812(R) (2009).
[CrossRef]

Dayan, B.

N. Dudovich, B. Dayan, S. M. Gallagher-Faeder, and Y. Silberberg, Phys. Rev. Lett. 86, 47 (2001).
[CrossRef]

Dicke, R. H.

R. H. Dicke, Phys. Rev. 93, 99 (1954).
[CrossRef]

Dudovich, N.

N. Dudovich, B. Dayan, S. M. Gallagher-Faeder, and Y. Silberberg, Phys. Rev. Lett. 86, 47 (2001).
[CrossRef]

Eberly, J. H.

N. E. Rehler and J. H. Eberly, Phys. Rev. A 3, 1735 (1971).
[CrossRef]

Eden, J. G.

C.-J. Zhu, Y. Xiao, A. A. Senin, J. Gao, J. G. Eden, T. S. Varzhapetyan, and D. H. Sarkisyan, Phys. Rev. A 75, 053405 (2007).
[CrossRef]

Felinto, D.

Ferraz, J.

H. G. Barros, J. Ferraz, W. B. Lozano, L. H. Acioli, and S. S. Vianna, Phys. Rev. A 74, 055402 (2006).
[CrossRef]

Gallagher-Faeder, S. M.

N. Dudovich, B. Dayan, S. M. Gallagher-Faeder, and Y. Silberberg, Phys. Rev. Lett. 86, 47 (2001).
[CrossRef]

Gao, J.

C.-J. Zhu, Y. Xiao, A. A. Senin, J. Gao, J. G. Eden, T. S. Varzhapetyan, and D. H. Sarkisyan, Phys. Rev. A 75, 053405 (2007).
[CrossRef]

Gibbs, H. M.

Q. H. F. Vrehen, H. M. J. Hikspoors, and H. M. Gibbs, Phys. Rev. Lett. 38, 764 (1977).
[CrossRef]

Gigard, B.

V. Blanchet, C. Nicole, M.-A. Bouchene, and B. Gigard, Phys. Rev. Lett. 78, 2716 (1997).
[CrossRef]

Hänsch, T. W.

Hartmann, S. R.

A. I. Lvovsky, S. R. Hartmann, and F. Moshary, Phys. Rev. Lett. 82, 4420 (1999).
[CrossRef]

J. H. Brownell, X. Lu, and S. R. Hartmann, Phys. Rev. Lett. 75, 3265 (1995).
[CrossRef]

Hikspoors, H. M. J.

Q. H. F. Vrehen, H. M. J. Hikspoors, and H. M. Gibbs, Phys. Rev. Lett. 38, 764 (1977).
[CrossRef]

Hölscher, U. C.

U. C. Hölscher, S. D. Clow, and T. Weinacht, Phys. Rev. A 80, 011812(R) (2009).
[CrossRef]

Kash, M. M.

G. O. Ariunbold, M. M. Kash, V. A. Sautenkov, H. Li, Yu. V. Rostovtsev, G. R. Welch, and M. O. Scully, Phys. Rev. A 82, 043421 (2010).
[CrossRef]

Kumarakrishnan, A.

E. Paradis, B. Barrett, A. Kumarakrishnan, R. Zhang, and G. Raithel, Phys. Rev. A 77, 043419 (2008).
[CrossRef]

Li, H.

G. O. Ariunbold, M. M. Kash, V. A. Sautenkov, H. Li, Yu. V. Rostovtsev, G. R. Welch, and M. O. Scully, Phys. Rev. A 82, 043421 (2010).
[CrossRef]

López-Martens, R. B.

R. B. López-Martens, T. W. Schmidt, and G. Roberts, Phys. Rev. A 62, 013414 (2000), and references therein.
[CrossRef]

Lozano, W. B.

H. G. Barros, J. Ferraz, W. B. Lozano, L. H. Acioli, and S. S. Vianna, Phys. Rev. A 74, 055402 (2006).
[CrossRef]

Lu, X.

J. H. Brownell, X. Lu, and S. R. Hartmann, Phys. Rev. Lett. 75, 3265 (1995).
[CrossRef]

Lugiato, L.

R. Bonifacio and L. Lugiato, Phys. Rev. A 11, 1507 (1975).
[CrossRef]

Lvovsky, A. I.

A. I. Lvovsky, S. R. Hartmann, and F. Moshary, Phys. Rev. Lett. 82, 4420 (1999).
[CrossRef]

Meshulach, D.

D. Meshulach and Y. Silberberg, Nature 396, 239 (1998).
[CrossRef]

Moshary, F.

A. I. Lvovsky, S. R. Hartmann, and F. Moshary, Phys. Rev. Lett. 82, 4420 (1999).
[CrossRef]

Murawski, R. K.

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

Nicole, C.

V. Blanchet, C. Nicole, M.-A. Bouchene, and B. Gigard, Phys. Rev. Lett. 78, 2716 (1997).
[CrossRef]

Paradis, E.

E. Paradis, B. Barrett, A. Kumarakrishnan, R. Zhang, and G. Raithel, Phys. Rev. A 77, 043419 (2008).
[CrossRef]

Patnaik, A. K.

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

Pestov, D.

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

Raithel, G.

E. Paradis, B. Barrett, A. Kumarakrishnan, R. Zhang, and G. Raithel, Phys. Rev. A 77, 043419 (2008).
[CrossRef]

Rehler, N. E.

N. E. Rehler and J. H. Eberly, Phys. Rev. A 3, 1735 (1971).
[CrossRef]

Roberts, G.

R. B. López-Martens, T. W. Schmidt, and G. Roberts, Phys. Rev. A 62, 013414 (2000), and references therein.
[CrossRef]

Rostovtsev, Yu. V.

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

G. O. Ariunbold, M. M. Kash, V. A. Sautenkov, H. Li, Yu. V. Rostovtsev, G. R. Welch, and M. O. Scully, Phys. Rev. A 82, 043421 (2010).
[CrossRef]

Sarkisyan, D. H.

C.-J. Zhu, Y. Xiao, A. A. Senin, J. Gao, J. G. Eden, T. S. Varzhapetyan, and D. H. Sarkisyan, Phys. Rev. A 75, 053405 (2007).
[CrossRef]

Sautenkov, V. A.

G. O. Ariunbold, V. A. Sautenkov, and M. O. Scully, Phys. Lett. A 376, 335 (2012).
[CrossRef]

G. O. Ariunbold, V. A. Sautenkov, and M. O. Scully, J. Opt. Soc. Am. B 28, 462 (2011).
[CrossRef]

G. O. Ariunbold, M. M. Kash, V. A. Sautenkov, H. Li, Yu. V. Rostovtsev, G. R. Welch, and M. O. Scully, Phys. Rev. A 82, 043421 (2010).
[CrossRef]

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

Schmidt, T. W.

R. B. López-Martens, T. W. Schmidt, and G. Roberts, Phys. Rev. A 62, 013414 (2000), and references therein.
[CrossRef]

Scully, M. O.

G. O. Ariunbold, V. A. Sautenkov, and M. O. Scully, Phys. Lett. A 376, 335 (2012).
[CrossRef]

G. O. Ariunbold, V. A. Sautenkov, and M. O. Scully, J. Opt. Soc. Am. B 28, 462 (2011).
[CrossRef]

G. O. Ariunbold, M. M. Kash, V. A. Sautenkov, H. Li, Yu. V. Rostovtsev, G. R. Welch, and M. O. Scully, Phys. Rev. A 82, 043421 (2010).
[CrossRef]

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

Senin, A. A.

C.-J. Zhu, Y. Xiao, A. A. Senin, J. Gao, J. G. Eden, T. S. Varzhapetyan, and D. H. Sarkisyan, Phys. Rev. A 75, 053405 (2007).
[CrossRef]

Silberberg, Y.

N. Dudovich, B. Dayan, S. M. Gallagher-Faeder, and Y. Silberberg, Phys. Rev. Lett. 86, 47 (2001).
[CrossRef]

D. Meshulach and Y. Silberberg, Nature 396, 239 (1998).
[CrossRef]

Sokolov, A. V.

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

Spanner, M.

C. Trallero-Herrero, M. Spanner, and T. Weinacht, Phys. Rev. A 74, 051403(R) (2006).
[CrossRef]

Trallero-Herrero, C.

C. Trallero-Herrero, M. Spanner, and T. Weinacht, Phys. Rev. A 74, 051403(R) (2006).
[CrossRef]

Varzhapetyan, T. S.

C.-J. Zhu, Y. Xiao, A. A. Senin, J. Gao, J. G. Eden, T. S. Varzhapetyan, and D. H. Sarkisyan, Phys. Rev. A 75, 053405 (2007).
[CrossRef]

Vianna, S. S.

H. G. Barros, J. Ferraz, W. B. Lozano, L. H. Acioli, and S. S. Vianna, Phys. Rev. A 74, 055402 (2006).
[CrossRef]

D. Felinto, L. H. Acioli, and S. S. Vianna, Opt. Lett. 25, 917 (2000).
[CrossRef]

Vrehen, Q. H. F.

Q. H. F. Vrehen, H. M. J. Hikspoors, and H. M. Gibbs, Phys. Rev. Lett. 38, 764 (1977).
[CrossRef]

Wang, X.

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

Weinacht, T.

U. C. Hölscher, S. D. Clow, and T. Weinacht, Phys. Rev. A 80, 011812(R) (2009).
[CrossRef]

C. Trallero-Herrero, M. Spanner, and T. Weinacht, Phys. Rev. A 74, 051403(R) (2006).
[CrossRef]

Welch, G. R.

G. O. Ariunbold, M. M. Kash, V. A. Sautenkov, H. Li, Yu. V. Rostovtsev, G. R. Welch, and M. O. Scully, Phys. Rev. A 82, 043421 (2010).
[CrossRef]

Xiao, Y.

C.-J. Zhu, Y. Xiao, A. A. Senin, J. Gao, J. G. Eden, T. S. Varzhapetyan, and D. H. Sarkisyan, Phys. Rev. A 75, 053405 (2007).
[CrossRef]

Yuan, L.

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

Zhang, R.

E. Paradis, B. Barrett, A. Kumarakrishnan, R. Zhang, and G. Raithel, Phys. Rev. A 77, 043419 (2008).
[CrossRef]

Zhu, C.-J.

C.-J. Zhu, Y. Xiao, A. A. Senin, J. Gao, J. G. Eden, T. S. Varzhapetyan, and D. H. Sarkisyan, Phys. Rev. A 75, 053405 (2007).
[CrossRef]

J. Opt. Soc. Am. B (1)

Nature (1)

D. Meshulach and Y. Silberberg, Nature 396, 239 (1998).
[CrossRef]

Opt. Lett. (2)

Phys. Lett. A (1)

G. O. Ariunbold, V. A. Sautenkov, and M. O. Scully, Phys. Lett. A 376, 335 (2012).
[CrossRef]

Phys. Rev. (1)

R. H. Dicke, Phys. Rev. 93, 99 (1954).
[CrossRef]

Phys. Rev. A (10)

N. E. Rehler and J. H. Eberly, Phys. Rev. A 3, 1735 (1971).
[CrossRef]

R. Bonifacio and L. Lugiato, Phys. Rev. A 11, 1507 (1975).
[CrossRef]

E. Paradis, B. Barrett, A. Kumarakrishnan, R. Zhang, and G. Raithel, Phys. Rev. A 77, 043419 (2008).
[CrossRef]

G. O. Ariunbold, M. M. Kash, V. A. Sautenkov, H. Li, Yu. V. Rostovtsev, G. R. Welch, and M. O. Scully, Phys. Rev. A 82, 043421 (2010).
[CrossRef]

U. C. Hölscher, S. D. Clow, and T. Weinacht, Phys. Rev. A 80, 011812(R) (2009).
[CrossRef]

R. B. López-Martens, T. W. Schmidt, and G. Roberts, Phys. Rev. A 62, 013414 (2000), and references therein.
[CrossRef]

C. Trallero-Herrero, M. Spanner, and T. Weinacht, Phys. Rev. A 74, 051403(R) (2006).
[CrossRef]

L. Yuan, G. O. Ariunbold, R. K. Murawski, D. Pestov, X. Wang, A. K. Patnaik, V. A. Sautenkov, A. V. Sokolov, Yu. V. Rostovtsev, and M. O. Scully, Phys. Rev. A 81, 053405 (2010).
[CrossRef]

H. G. Barros, J. Ferraz, W. B. Lozano, L. H. Acioli, and S. S. Vianna, Phys. Rev. A 74, 055402 (2006).
[CrossRef]

C.-J. Zhu, Y. Xiao, A. A. Senin, J. Gao, J. G. Eden, T. S. Varzhapetyan, and D. H. Sarkisyan, Phys. Rev. A 75, 053405 (2007).
[CrossRef]

Phys. Rev. Lett. (5)

V. Blanchet, C. Nicole, M.-A. Bouchene, and B. Gigard, Phys. Rev. Lett. 78, 2716 (1997).
[CrossRef]

N. Dudovich, B. Dayan, S. M. Gallagher-Faeder, and Y. Silberberg, Phys. Rev. Lett. 86, 47 (2001).
[CrossRef]

Q. H. F. Vrehen, H. M. J. Hikspoors, and H. M. Gibbs, Phys. Rev. Lett. 38, 764 (1977).
[CrossRef]

J. H. Brownell, X. Lu, and S. R. Hartmann, Phys. Rev. Lett. 75, 3265 (1995).
[CrossRef]

A. I. Lvovsky, S. R. Hartmann, and F. Moshary, Phys. Rev. Lett. 82, 4420 (1999).
[CrossRef]

Other (1)

G. O. Ariunbold, “Ultrafast cooperative phenomena in coherently prepared media: from superfluorescence to coherent Raman scattering and applications,” Ph.D. thesis (Texas A&M University, 2011).

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Figures (3)

Fig. 1.
Fig. 1.

(a) Schematic of experimental setup. (b) Level scheme for rubidium atom. Curves in (c) and (d) are the recorded data by using photodetectors 1 and 2, respectively. An envelope in (c) is result of interference of input pulses in a Michelson interferometer. The oscillations in (d) are due to the atomic interference induced by pair of input pulses.

Fig. 2.
Fig. 2.

(a) Data recorded by a streak camera. Average, normalized temporal profiles of superfluorescent pulses as functions of the time intervals between input pulses. Rubidium atomic density is about 3.6×1015cm3. (b) Comparison of the two data recorded by the streak camera and photodetector. FFTs from the extracted, smoothed SF time delay (squares) and from the data given in Fig. 1(d) (circles).

Fig. 3.
Fig. 3.

Data recorded by a streak camera. Average, normalized temporal profiles of superfluorescent pulses as functions of time intervals between input pulses for densities (a) 4.6×1014cm3 and (b) 2.6×1014cm3. Extracted average SF time delays [solid curves in (c) and (d)] accompanied with error bars.

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