Abstract

The quantum coherence phenomenon of electromagnetically induced transparency (EIT) is observed in a three-level system composed of an excited state and two coherent superpositions of the two ground-state levels. This peculiar ground state basis is composed of the so-called bright and dark states of the same atomic system in a standard coherent population trapping configuration. The characteristics of EIT, namely, width of the transmission window and reduced group velocity of light, in this unusual basis, are theoretically and experimentally investigated and are shown to be essentially identical to those of standard EIT in the same system.

© 2009 Optical Society of America

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  1. S. E. Harris, J. E. Field, and A. Imamoglu, "Nonlinear optical processes using electromagnetically induced transparency," Phys. Rev. Lett. 64, 1107-1110 (1990).
    [CrossRef] [PubMed]
  2. K.-J. Boller, A. Imamoglu, and S. E. Harris, "Observation of electromagnetically induced transparency," Phys. Rev. Lett. 66, 2593-2596 (1991).
    [CrossRef] [PubMed]
  3. M. O. Scully and M. S. Zubairy, Quantum optics (Cambridge University Press, 1997).
  4. S. E. Harris, J. E. Field, and A. Kasapi, "Dispersive properties of electromagnetically induced transparency," Phys. Rev. A 46, R29-R32 (1992).
    [CrossRef] [PubMed]
  5. L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, "Light speed reduction to 17 metres per second in an ultracold atomic gas," Nature 397, 594-598 (1999).
    [CrossRef]
  6. O. Kocharovskaya, Y. Rostovtsev, and M. O. Scully, "Stopping light via hot atoms," Phys. Rev. Lett. 86, 628-631 (2001).
    [CrossRef] [PubMed]
  7. C. Liu, Z. Dutton, C. H. Behroozi, and L. V. Hau, "Observation of coherent optical information storage in an atomic medium using halted light pulses," Nature 409, 490-493 (2001).
    [CrossRef] [PubMed]
  8. D. F. Phillips, A. Fleischhauer, A. Mair, R. L. Walsworth, and M. D. Lukin, "Storage of light in atomic vapor," Phys. Rev. Lett. 86, 783-786 (2001).
    [CrossRef] [PubMed]
  9. S. E. Harris and L. V. Hau,"Nonlinear optics at low light levels," Phys. Rev. Lett. 82, 4611-4614 (1999).
    [CrossRef]
  10. M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
    [CrossRef]
  11. H. Wang, D. Goorskey, and M. Xiao, "Enhanced kerr nonlinearity via atomic coherence in a three-level atomic system," Phys. Rev. Lett. 87, 073601 (2001).
    [CrossRef] [PubMed]
  12. E. Arimondo and G. Orriols, "Nonabsorbing atomic coherences by coherent two-photon transitions in a threelevel optical pumping," Lettere Al Nuovo Cimento (1971 -1985)  17, 333-338 (1976).
    [CrossRef]
  13. G. Alzetta, A. Gozzini, L. Moi, and G. Orriols, "An experimental method for the observation of r.f. transitions and laser beat resonances in oriented na vapour," Il Nuovo Cimento B 36, 5-20 (1976).
    [CrossRef]
  14. E. Arimondo, "Relaxation processes in coherent-population trapping," Phys. Rev. A 54, 2216-2223 (1996).
    [CrossRef] [PubMed]
  15. M. Fleischhauer, A. Imamoglu, and J. P. Marangos, "Electromagnetically induced transparency: Optics in coherent media," Rev. Mod. Phys. 77, 633-673 (2005).
    [CrossRef]
  16. A. Aspect, E. Arimondo, R. Kaiser, N. Vansteenkiste, and C. Cohen-Tannoudji, "Laser cooling below the onephoton recoil energy by velocity-selective coherent population trapping," Phys. Rev. Lett. 61, 826-829 (1988).
    [CrossRef] [PubMed]
  17. H. Gilles, B. Cheron, O. Emile, F. Bretenaker, and A. Le Floch, "Rabi-lorentzian profile of an atomic resonance obtained with gaussian beams," Phys. Rev. Lett. 86, 1175-1178 (2001).
    [CrossRef] [PubMed]
  18. F. Goldfarb, J. Ghosh, M. David, J. Ruggiero, T. Chaneli`ere, J.-L. Le Gou¨et, H. Gilles, R. Ghosh, and F. Bretenaker, "Observation of ultra-narrow electromagnetically induced transparency and slow light using purely electronic spins in a hot atomic vapor," epl 82, 54002 (6pp) (2008).
  19. J. Ghosh, R. Ghosh, F. Goldfarb, J.-L. Le Gouët, and F. Bretenaker, "Analysis of electromagnetically induced transparency and slow light in a hot vapor of atoms undergoing collisions," Phys. Rev. A 80, 023817 (2009).
    [CrossRef]
  20. F. Goldfarb, T. Lauprêtre, J. Ruggiero, F. Bretenaker, J. Ghosh, and R. Ghosh, "Electromagnetically-induced transparency, slow light, and negative group velocities in a room temperature vapor of 4He*," submitted to CRAS (2009).
  21. E. Paspalakis and P. L. Knight, "Transparency, slow light and enhanced nonlinear optics in a four-level scheme," J. Opt. B: Quantum Semiclassical Opt. 4, S372-S375 (2002).
    [CrossRef]
  22. F. Vewinger, M. Heinz, R. G. Fernandez, N. V. Vitanov, and K. Bergmann, "Creation and measurement of a coherent superposition of quantum states," Phys. Rev. Lett. 91, 213001 (2003).
    [CrossRef] [PubMed]

2009 (2)

J. Ghosh, R. Ghosh, F. Goldfarb, J.-L. Le Gouët, and F. Bretenaker, "Analysis of electromagnetically induced transparency and slow light in a hot vapor of atoms undergoing collisions," Phys. Rev. A 80, 023817 (2009).
[CrossRef]

F. Goldfarb, T. Lauprêtre, J. Ruggiero, F. Bretenaker, J. Ghosh, and R. Ghosh, "Electromagnetically-induced transparency, slow light, and negative group velocities in a room temperature vapor of 4He*," submitted to CRAS (2009).

2005 (1)

M. Fleischhauer, A. Imamoglu, and J. P. Marangos, "Electromagnetically induced transparency: Optics in coherent media," Rev. Mod. Phys. 77, 633-673 (2005).
[CrossRef]

2003 (1)

F. Vewinger, M. Heinz, R. G. Fernandez, N. V. Vitanov, and K. Bergmann, "Creation and measurement of a coherent superposition of quantum states," Phys. Rev. Lett. 91, 213001 (2003).
[CrossRef] [PubMed]

2002 (1)

E. Paspalakis and P. L. Knight, "Transparency, slow light and enhanced nonlinear optics in a four-level scheme," J. Opt. B: Quantum Semiclassical Opt. 4, S372-S375 (2002).
[CrossRef]

2001 (5)

H. Gilles, B. Cheron, O. Emile, F. Bretenaker, and A. Le Floch, "Rabi-lorentzian profile of an atomic resonance obtained with gaussian beams," Phys. Rev. Lett. 86, 1175-1178 (2001).
[CrossRef] [PubMed]

H. Wang, D. Goorskey, and M. Xiao, "Enhanced kerr nonlinearity via atomic coherence in a three-level atomic system," Phys. Rev. Lett. 87, 073601 (2001).
[CrossRef] [PubMed]

O. Kocharovskaya, Y. Rostovtsev, and M. O. Scully, "Stopping light via hot atoms," Phys. Rev. Lett. 86, 628-631 (2001).
[CrossRef] [PubMed]

C. Liu, Z. Dutton, C. H. Behroozi, and L. V. Hau, "Observation of coherent optical information storage in an atomic medium using halted light pulses," Nature 409, 490-493 (2001).
[CrossRef] [PubMed]

D. F. Phillips, A. Fleischhauer, A. Mair, R. L. Walsworth, and M. D. Lukin, "Storage of light in atomic vapor," Phys. Rev. Lett. 86, 783-786 (2001).
[CrossRef] [PubMed]

1999 (3)

S. E. Harris and L. V. Hau,"Nonlinear optics at low light levels," Phys. Rev. Lett. 82, 4611-4614 (1999).
[CrossRef]

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, "Light speed reduction to 17 metres per second in an ultracold atomic gas," Nature 397, 594-598 (1999).
[CrossRef]

1996 (1)

E. Arimondo, "Relaxation processes in coherent-population trapping," Phys. Rev. A 54, 2216-2223 (1996).
[CrossRef] [PubMed]

1992 (1)

S. E. Harris, J. E. Field, and A. Kasapi, "Dispersive properties of electromagnetically induced transparency," Phys. Rev. A 46, R29-R32 (1992).
[CrossRef] [PubMed]

1991 (1)

K.-J. Boller, A. Imamoglu, and S. E. Harris, "Observation of electromagnetically induced transparency," Phys. Rev. Lett. 66, 2593-2596 (1991).
[CrossRef] [PubMed]

1990 (1)

S. E. Harris, J. E. Field, and A. Imamoglu, "Nonlinear optical processes using electromagnetically induced transparency," Phys. Rev. Lett. 64, 1107-1110 (1990).
[CrossRef] [PubMed]

1988 (1)

A. Aspect, E. Arimondo, R. Kaiser, N. Vansteenkiste, and C. Cohen-Tannoudji, "Laser cooling below the onephoton recoil energy by velocity-selective coherent population trapping," Phys. Rev. Lett. 61, 826-829 (1988).
[CrossRef] [PubMed]

1976 (2)

E. Arimondo and G. Orriols, "Nonabsorbing atomic coherences by coherent two-photon transitions in a threelevel optical pumping," Lettere Al Nuovo Cimento (1971 -1985)  17, 333-338 (1976).
[CrossRef]

G. Alzetta, A. Gozzini, L. Moi, and G. Orriols, "An experimental method for the observation of r.f. transitions and laser beat resonances in oriented na vapour," Il Nuovo Cimento B 36, 5-20 (1976).
[CrossRef]

Alzetta, G.

G. Alzetta, A. Gozzini, L. Moi, and G. Orriols, "An experimental method for the observation of r.f. transitions and laser beat resonances in oriented na vapour," Il Nuovo Cimento B 36, 5-20 (1976).
[CrossRef]

Arimondo, E.

E. Arimondo, "Relaxation processes in coherent-population trapping," Phys. Rev. A 54, 2216-2223 (1996).
[CrossRef] [PubMed]

A. Aspect, E. Arimondo, R. Kaiser, N. Vansteenkiste, and C. Cohen-Tannoudji, "Laser cooling below the onephoton recoil energy by velocity-selective coherent population trapping," Phys. Rev. Lett. 61, 826-829 (1988).
[CrossRef] [PubMed]

E. Arimondo and G. Orriols, "Nonabsorbing atomic coherences by coherent two-photon transitions in a threelevel optical pumping," Lettere Al Nuovo Cimento (1971 -1985)  17, 333-338 (1976).
[CrossRef]

Aspect, A.

A. Aspect, E. Arimondo, R. Kaiser, N. Vansteenkiste, and C. Cohen-Tannoudji, "Laser cooling below the onephoton recoil energy by velocity-selective coherent population trapping," Phys. Rev. Lett. 61, 826-829 (1988).
[CrossRef] [PubMed]

Behroozi, C. H.

C. Liu, Z. Dutton, C. H. Behroozi, and L. V. Hau, "Observation of coherent optical information storage in an atomic medium using halted light pulses," Nature 409, 490-493 (2001).
[CrossRef] [PubMed]

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, "Light speed reduction to 17 metres per second in an ultracold atomic gas," Nature 397, 594-598 (1999).
[CrossRef]

Bergmann, K.

F. Vewinger, M. Heinz, R. G. Fernandez, N. V. Vitanov, and K. Bergmann, "Creation and measurement of a coherent superposition of quantum states," Phys. Rev. Lett. 91, 213001 (2003).
[CrossRef] [PubMed]

Boller, K.-J.

K.-J. Boller, A. Imamoglu, and S. E. Harris, "Observation of electromagnetically induced transparency," Phys. Rev. Lett. 66, 2593-2596 (1991).
[CrossRef] [PubMed]

Bretenaker, F.

F. Goldfarb, T. Lauprêtre, J. Ruggiero, F. Bretenaker, J. Ghosh, and R. Ghosh, "Electromagnetically-induced transparency, slow light, and negative group velocities in a room temperature vapor of 4He*," submitted to CRAS (2009).

J. Ghosh, R. Ghosh, F. Goldfarb, J.-L. Le Gouët, and F. Bretenaker, "Analysis of electromagnetically induced transparency and slow light in a hot vapor of atoms undergoing collisions," Phys. Rev. A 80, 023817 (2009).
[CrossRef]

H. Gilles, B. Cheron, O. Emile, F. Bretenaker, and A. Le Floch, "Rabi-lorentzian profile of an atomic resonance obtained with gaussian beams," Phys. Rev. Lett. 86, 1175-1178 (2001).
[CrossRef] [PubMed]

Cheron, B.

H. Gilles, B. Cheron, O. Emile, F. Bretenaker, and A. Le Floch, "Rabi-lorentzian profile of an atomic resonance obtained with gaussian beams," Phys. Rev. Lett. 86, 1175-1178 (2001).
[CrossRef] [PubMed]

Cohen-Tannoudji, C.

A. Aspect, E. Arimondo, R. Kaiser, N. Vansteenkiste, and C. Cohen-Tannoudji, "Laser cooling below the onephoton recoil energy by velocity-selective coherent population trapping," Phys. Rev. Lett. 61, 826-829 (1988).
[CrossRef] [PubMed]

Dutton, Z.

C. Liu, Z. Dutton, C. H. Behroozi, and L. V. Hau, "Observation of coherent optical information storage in an atomic medium using halted light pulses," Nature 409, 490-493 (2001).
[CrossRef] [PubMed]

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, "Light speed reduction to 17 metres per second in an ultracold atomic gas," Nature 397, 594-598 (1999).
[CrossRef]

Emile, O.

H. Gilles, B. Cheron, O. Emile, F. Bretenaker, and A. Le Floch, "Rabi-lorentzian profile of an atomic resonance obtained with gaussian beams," Phys. Rev. Lett. 86, 1175-1178 (2001).
[CrossRef] [PubMed]

Fernandez, R. G.

F. Vewinger, M. Heinz, R. G. Fernandez, N. V. Vitanov, and K. Bergmann, "Creation and measurement of a coherent superposition of quantum states," Phys. Rev. Lett. 91, 213001 (2003).
[CrossRef] [PubMed]

Field, J. E.

S. E. Harris, J. E. Field, and A. Kasapi, "Dispersive properties of electromagnetically induced transparency," Phys. Rev. A 46, R29-R32 (1992).
[CrossRef] [PubMed]

S. E. Harris, J. E. Field, and A. Imamoglu, "Nonlinear optical processes using electromagnetically induced transparency," Phys. Rev. Lett. 64, 1107-1110 (1990).
[CrossRef] [PubMed]

Fleischhauer, A.

D. F. Phillips, A. Fleischhauer, A. Mair, R. L. Walsworth, and M. D. Lukin, "Storage of light in atomic vapor," Phys. Rev. Lett. 86, 783-786 (2001).
[CrossRef] [PubMed]

Fleischhauer, M.

M. Fleischhauer, A. Imamoglu, and J. P. Marangos, "Electromagnetically induced transparency: Optics in coherent media," Rev. Mod. Phys. 77, 633-673 (2005).
[CrossRef]

Fry, E. S.

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

Ghosh, J.

J. Ghosh, R. Ghosh, F. Goldfarb, J.-L. Le Gouët, and F. Bretenaker, "Analysis of electromagnetically induced transparency and slow light in a hot vapor of atoms undergoing collisions," Phys. Rev. A 80, 023817 (2009).
[CrossRef]

F. Goldfarb, T. Lauprêtre, J. Ruggiero, F. Bretenaker, J. Ghosh, and R. Ghosh, "Electromagnetically-induced transparency, slow light, and negative group velocities in a room temperature vapor of 4He*," submitted to CRAS (2009).

Ghosh, R.

F. Goldfarb, T. Lauprêtre, J. Ruggiero, F. Bretenaker, J. Ghosh, and R. Ghosh, "Electromagnetically-induced transparency, slow light, and negative group velocities in a room temperature vapor of 4He*," submitted to CRAS (2009).

J. Ghosh, R. Ghosh, F. Goldfarb, J.-L. Le Gouët, and F. Bretenaker, "Analysis of electromagnetically induced transparency and slow light in a hot vapor of atoms undergoing collisions," Phys. Rev. A 80, 023817 (2009).
[CrossRef]

Gilles, H.

H. Gilles, B. Cheron, O. Emile, F. Bretenaker, and A. Le Floch, "Rabi-lorentzian profile of an atomic resonance obtained with gaussian beams," Phys. Rev. Lett. 86, 1175-1178 (2001).
[CrossRef] [PubMed]

Goldfarb, F.

J. Ghosh, R. Ghosh, F. Goldfarb, J.-L. Le Gouët, and F. Bretenaker, "Analysis of electromagnetically induced transparency and slow light in a hot vapor of atoms undergoing collisions," Phys. Rev. A 80, 023817 (2009).
[CrossRef]

F. Goldfarb, T. Lauprêtre, J. Ruggiero, F. Bretenaker, J. Ghosh, and R. Ghosh, "Electromagnetically-induced transparency, slow light, and negative group velocities in a room temperature vapor of 4He*," submitted to CRAS (2009).

Goorskey, D.

H. Wang, D. Goorskey, and M. Xiao, "Enhanced kerr nonlinearity via atomic coherence in a three-level atomic system," Phys. Rev. Lett. 87, 073601 (2001).
[CrossRef] [PubMed]

Gozzini, A.

G. Alzetta, A. Gozzini, L. Moi, and G. Orriols, "An experimental method for the observation of r.f. transitions and laser beat resonances in oriented na vapour," Il Nuovo Cimento B 36, 5-20 (1976).
[CrossRef]

Harris, S. E.

S. E. Harris and L. V. Hau,"Nonlinear optics at low light levels," Phys. Rev. Lett. 82, 4611-4614 (1999).
[CrossRef]

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, "Light speed reduction to 17 metres per second in an ultracold atomic gas," Nature 397, 594-598 (1999).
[CrossRef]

S. E. Harris, J. E. Field, and A. Kasapi, "Dispersive properties of electromagnetically induced transparency," Phys. Rev. A 46, R29-R32 (1992).
[CrossRef] [PubMed]

K.-J. Boller, A. Imamoglu, and S. E. Harris, "Observation of electromagnetically induced transparency," Phys. Rev. Lett. 66, 2593-2596 (1991).
[CrossRef] [PubMed]

S. E. Harris, J. E. Field, and A. Imamoglu, "Nonlinear optical processes using electromagnetically induced transparency," Phys. Rev. Lett. 64, 1107-1110 (1990).
[CrossRef] [PubMed]

Hau, L. V.

C. Liu, Z. Dutton, C. H. Behroozi, and L. V. Hau, "Observation of coherent optical information storage in an atomic medium using halted light pulses," Nature 409, 490-493 (2001).
[CrossRef] [PubMed]

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, "Light speed reduction to 17 metres per second in an ultracold atomic gas," Nature 397, 594-598 (1999).
[CrossRef]

S. E. Harris and L. V. Hau,"Nonlinear optics at low light levels," Phys. Rev. Lett. 82, 4611-4614 (1999).
[CrossRef]

Heinz, M.

F. Vewinger, M. Heinz, R. G. Fernandez, N. V. Vitanov, and K. Bergmann, "Creation and measurement of a coherent superposition of quantum states," Phys. Rev. Lett. 91, 213001 (2003).
[CrossRef] [PubMed]

Hollberg, L.

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

Imamoglu, A.

M. Fleischhauer, A. Imamoglu, and J. P. Marangos, "Electromagnetically induced transparency: Optics in coherent media," Rev. Mod. Phys. 77, 633-673 (2005).
[CrossRef]

K.-J. Boller, A. Imamoglu, and S. E. Harris, "Observation of electromagnetically induced transparency," Phys. Rev. Lett. 66, 2593-2596 (1991).
[CrossRef] [PubMed]

S. E. Harris, J. E. Field, and A. Imamoglu, "Nonlinear optical processes using electromagnetically induced transparency," Phys. Rev. Lett. 64, 1107-1110 (1990).
[CrossRef] [PubMed]

Kaiser, R.

A. Aspect, E. Arimondo, R. Kaiser, N. Vansteenkiste, and C. Cohen-Tannoudji, "Laser cooling below the onephoton recoil energy by velocity-selective coherent population trapping," Phys. Rev. Lett. 61, 826-829 (1988).
[CrossRef] [PubMed]

Kasapi, A.

S. E. Harris, J. E. Field, and A. Kasapi, "Dispersive properties of electromagnetically induced transparency," Phys. Rev. A 46, R29-R32 (1992).
[CrossRef] [PubMed]

Kash, M. M.

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

Knight, P. L.

E. Paspalakis and P. L. Knight, "Transparency, slow light and enhanced nonlinear optics in a four-level scheme," J. Opt. B: Quantum Semiclassical Opt. 4, S372-S375 (2002).
[CrossRef]

Kocharovskaya, O.

O. Kocharovskaya, Y. Rostovtsev, and M. O. Scully, "Stopping light via hot atoms," Phys. Rev. Lett. 86, 628-631 (2001).
[CrossRef] [PubMed]

Lauprêtre, T.

F. Goldfarb, T. Lauprêtre, J. Ruggiero, F. Bretenaker, J. Ghosh, and R. Ghosh, "Electromagnetically-induced transparency, slow light, and negative group velocities in a room temperature vapor of 4He*," submitted to CRAS (2009).

Le Floch, A.

H. Gilles, B. Cheron, O. Emile, F. Bretenaker, and A. Le Floch, "Rabi-lorentzian profile of an atomic resonance obtained with gaussian beams," Phys. Rev. Lett. 86, 1175-1178 (2001).
[CrossRef] [PubMed]

Le Gouët, J.-L.

J. Ghosh, R. Ghosh, F. Goldfarb, J.-L. Le Gouët, and F. Bretenaker, "Analysis of electromagnetically induced transparency and slow light in a hot vapor of atoms undergoing collisions," Phys. Rev. A 80, 023817 (2009).
[CrossRef]

Liu, C.

C. Liu, Z. Dutton, C. H. Behroozi, and L. V. Hau, "Observation of coherent optical information storage in an atomic medium using halted light pulses," Nature 409, 490-493 (2001).
[CrossRef] [PubMed]

Lukin, M. D.

D. F. Phillips, A. Fleischhauer, A. Mair, R. L. Walsworth, and M. D. Lukin, "Storage of light in atomic vapor," Phys. Rev. Lett. 86, 783-786 (2001).
[CrossRef] [PubMed]

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

Mair, A.

D. F. Phillips, A. Fleischhauer, A. Mair, R. L. Walsworth, and M. D. Lukin, "Storage of light in atomic vapor," Phys. Rev. Lett. 86, 783-786 (2001).
[CrossRef] [PubMed]

Marangos, J. P.

M. Fleischhauer, A. Imamoglu, and J. P. Marangos, "Electromagnetically induced transparency: Optics in coherent media," Rev. Mod. Phys. 77, 633-673 (2005).
[CrossRef]

Moi, L.

G. Alzetta, A. Gozzini, L. Moi, and G. Orriols, "An experimental method for the observation of r.f. transitions and laser beat resonances in oriented na vapour," Il Nuovo Cimento B 36, 5-20 (1976).
[CrossRef]

Orriols, G.

G. Alzetta, A. Gozzini, L. Moi, and G. Orriols, "An experimental method for the observation of r.f. transitions and laser beat resonances in oriented na vapour," Il Nuovo Cimento B 36, 5-20 (1976).
[CrossRef]

E. Arimondo and G. Orriols, "Nonabsorbing atomic coherences by coherent two-photon transitions in a threelevel optical pumping," Lettere Al Nuovo Cimento (1971 -1985)  17, 333-338 (1976).
[CrossRef]

Paspalakis, E.

E. Paspalakis and P. L. Knight, "Transparency, slow light and enhanced nonlinear optics in a four-level scheme," J. Opt. B: Quantum Semiclassical Opt. 4, S372-S375 (2002).
[CrossRef]

Phillips, D. F.

D. F. Phillips, A. Fleischhauer, A. Mair, R. L. Walsworth, and M. D. Lukin, "Storage of light in atomic vapor," Phys. Rev. Lett. 86, 783-786 (2001).
[CrossRef] [PubMed]

Rostovtsev, Y.

O. Kocharovskaya, Y. Rostovtsev, and M. O. Scully, "Stopping light via hot atoms," Phys. Rev. Lett. 86, 628-631 (2001).
[CrossRef] [PubMed]

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

Ruggiero, J.

F. Goldfarb, T. Lauprêtre, J. Ruggiero, F. Bretenaker, J. Ghosh, and R. Ghosh, "Electromagnetically-induced transparency, slow light, and negative group velocities in a room temperature vapor of 4He*," submitted to CRAS (2009).

Sautenkov, V. A.

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

Scully, M. O.

O. Kocharovskaya, Y. Rostovtsev, and M. O. Scully, "Stopping light via hot atoms," Phys. Rev. Lett. 86, 628-631 (2001).
[CrossRef] [PubMed]

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

Vansteenkiste, N.

A. Aspect, E. Arimondo, R. Kaiser, N. Vansteenkiste, and C. Cohen-Tannoudji, "Laser cooling below the onephoton recoil energy by velocity-selective coherent population trapping," Phys. Rev. Lett. 61, 826-829 (1988).
[CrossRef] [PubMed]

Vewinger, F.

F. Vewinger, M. Heinz, R. G. Fernandez, N. V. Vitanov, and K. Bergmann, "Creation and measurement of a coherent superposition of quantum states," Phys. Rev. Lett. 91, 213001 (2003).
[CrossRef] [PubMed]

Vitanov, N. V.

F. Vewinger, M. Heinz, R. G. Fernandez, N. V. Vitanov, and K. Bergmann, "Creation and measurement of a coherent superposition of quantum states," Phys. Rev. Lett. 91, 213001 (2003).
[CrossRef] [PubMed]

Walsworth, R. L.

D. F. Phillips, A. Fleischhauer, A. Mair, R. L. Walsworth, and M. D. Lukin, "Storage of light in atomic vapor," Phys. Rev. Lett. 86, 783-786 (2001).
[CrossRef] [PubMed]

Wang, H.

H. Wang, D. Goorskey, and M. Xiao, "Enhanced kerr nonlinearity via atomic coherence in a three-level atomic system," Phys. Rev. Lett. 87, 073601 (2001).
[CrossRef] [PubMed]

Welch, G. R.

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

Xiao, M.

H. Wang, D. Goorskey, and M. Xiao, "Enhanced kerr nonlinearity via atomic coherence in a three-level atomic system," Phys. Rev. Lett. 87, 073601 (2001).
[CrossRef] [PubMed]

Zibrov, A. S.

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

CRAS (1)

F. Goldfarb, T. Lauprêtre, J. Ruggiero, F. Bretenaker, J. Ghosh, and R. Ghosh, "Electromagnetically-induced transparency, slow light, and negative group velocities in a room temperature vapor of 4He*," submitted to CRAS (2009).

Il Nuovo Cimento B (1)

G. Alzetta, A. Gozzini, L. Moi, and G. Orriols, "An experimental method for the observation of r.f. transitions and laser beat resonances in oriented na vapour," Il Nuovo Cimento B 36, 5-20 (1976).
[CrossRef]

J. Opt. B: Quantum Semiclassical Opt. (1)

E. Paspalakis and P. L. Knight, "Transparency, slow light and enhanced nonlinear optics in a four-level scheme," J. Opt. B: Quantum Semiclassical Opt. 4, S372-S375 (2002).
[CrossRef]

Lettere Al Nuovo Cimento (1)

E. Arimondo and G. Orriols, "Nonabsorbing atomic coherences by coherent two-photon transitions in a threelevel optical pumping," Lettere Al Nuovo Cimento (1971 -1985)  17, 333-338 (1976).
[CrossRef]

Nature (2)

L. V. Hau, S. E. Harris, Z. Dutton, and C. H. Behroozi, "Light speed reduction to 17 metres per second in an ultracold atomic gas," Nature 397, 594-598 (1999).
[CrossRef]

C. Liu, Z. Dutton, C. H. Behroozi, and L. V. Hau, "Observation of coherent optical information storage in an atomic medium using halted light pulses," Nature 409, 490-493 (2001).
[CrossRef] [PubMed]

Phys. Rev. A (3)

S. E. Harris, J. E. Field, and A. Kasapi, "Dispersive properties of electromagnetically induced transparency," Phys. Rev. A 46, R29-R32 (1992).
[CrossRef] [PubMed]

E. Arimondo, "Relaxation processes in coherent-population trapping," Phys. Rev. A 54, 2216-2223 (1996).
[CrossRef] [PubMed]

J. Ghosh, R. Ghosh, F. Goldfarb, J.-L. Le Gouët, and F. Bretenaker, "Analysis of electromagnetically induced transparency and slow light in a hot vapor of atoms undergoing collisions," Phys. Rev. A 80, 023817 (2009).
[CrossRef]

Phys. Rev. Lett. (10)

F. Vewinger, M. Heinz, R. G. Fernandez, N. V. Vitanov, and K. Bergmann, "Creation and measurement of a coherent superposition of quantum states," Phys. Rev. Lett. 91, 213001 (2003).
[CrossRef] [PubMed]

A. Aspect, E. Arimondo, R. Kaiser, N. Vansteenkiste, and C. Cohen-Tannoudji, "Laser cooling below the onephoton recoil energy by velocity-selective coherent population trapping," Phys. Rev. Lett. 61, 826-829 (1988).
[CrossRef] [PubMed]

H. Gilles, B. Cheron, O. Emile, F. Bretenaker, and A. Le Floch, "Rabi-lorentzian profile of an atomic resonance obtained with gaussian beams," Phys. Rev. Lett. 86, 1175-1178 (2001).
[CrossRef] [PubMed]

D. F. Phillips, A. Fleischhauer, A. Mair, R. L. Walsworth, and M. D. Lukin, "Storage of light in atomic vapor," Phys. Rev. Lett. 86, 783-786 (2001).
[CrossRef] [PubMed]

S. E. Harris and L. V. Hau,"Nonlinear optics at low light levels," Phys. Rev. Lett. 82, 4611-4614 (1999).
[CrossRef]

M. M. Kash, V. A. Sautenkov, A. S. Zibrov, L. Hollberg, G. R. Welch, M. D. Lukin, Y. Rostovtsev, E. S. Fry, and M. O. Scully, "Ultraslow group velocity and enhanced nonlinear optical effects in a coherently driven hot atomic gas," Phys. Rev. Lett. 82, 5229-5232 (1999).
[CrossRef]

H. Wang, D. Goorskey, and M. Xiao, "Enhanced kerr nonlinearity via atomic coherence in a three-level atomic system," Phys. Rev. Lett. 87, 073601 (2001).
[CrossRef] [PubMed]

O. Kocharovskaya, Y. Rostovtsev, and M. O. Scully, "Stopping light via hot atoms," Phys. Rev. Lett. 86, 628-631 (2001).
[CrossRef] [PubMed]

S. E. Harris, J. E. Field, and A. Imamoglu, "Nonlinear optical processes using electromagnetically induced transparency," Phys. Rev. Lett. 64, 1107-1110 (1990).
[CrossRef] [PubMed]

K.-J. Boller, A. Imamoglu, and S. E. Harris, "Observation of electromagnetically induced transparency," Phys. Rev. Lett. 66, 2593-2596 (1991).
[CrossRef] [PubMed]

Rev. Mod. Phys. (1)

M. Fleischhauer, A. Imamoglu, and J. P. Marangos, "Electromagnetically induced transparency: Optics in coherent media," Rev. Mod. Phys. 77, 633-673 (2005).
[CrossRef]

Other (2)

F. Goldfarb, J. Ghosh, M. David, J. Ruggiero, T. Chaneli`ere, J.-L. Le Gou¨et, H. Gilles, R. Ghosh, and F. Bretenaker, "Observation of ultra-narrow electromagnetically induced transparency and slow light using purely electronic spins in a hot atomic vapor," epl 82, 54002 (6pp) (2008).

M. O. Scully and M. S. Zubairy, Quantum optics (Cambridge University Press, 1997).

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Figures (5)

Fig. 1.
Fig. 1.

(a) Polarizations of the coupling and probe beams, both propagating along z. (b) Excitation scheme in the usual basis with the quantization axis along z. (c) Excitation scheme when the two ground states are described in the dark state-bright state basis.

Fig. 2.
Fig. 2.

Measured evolutions vs the coupling beam intensity of the widths of the EIT peaks in standard EIT configuration (circles) and in the configuration of Fig. 1(b, c) (squares). The linear behavior corresponds to effective pumping half-width of 0.46 and 0.53 GHz, respectively.

Fig. 3.
Fig. 3.

Measured evolutions vs the coupling beam intensity of the peak transmission in standard EIT configuration (circles) and in the configuration of Figs. 1(b, c) (squares).

Fig. 4.
Fig. 4.

Measured evolutions vs the coupling beam intensity of the delay experienced by a 5 kHz sinusoidal modulation of the probe pulse intensity in standard EIT configuration (circles) and in the configuration of Figs. 1(b, c) (squares).

Fig. 5.
Fig. 5.

Measured evolutions vs coupling beam intensity of the resonance width and group delay in standard EIT (circles) and symmetrical CPT (squares) configurations, and for α=0.87 and β=0.5 (diamonds) and α=0.97 and β=0.26 (triangles).

Equations (12)

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x̂=12(σ̂++σ̂),
ŷ=i2(σ̂++σ̂),
Cx =NCy=12(1+1),
NCx =Cy=12(1++1),
ΓEIT = 2 ΓR + ΩC22W+Γ ,
dρ+1,+1dt relax = Γ02 ρ00 Γt (ρ+1,+112) ,
dρ1,1dt relax = Γ02 ρ00 Γt (ρ1,112) ,
dρ1,+1dt relax = ΓR ρ1,+1 ,
dρCx,NCxdt relax = ΓR ρCx,NCx Γt2 (ρ+1,+1ρ1,1).
dρCx,NCxdt relax = ΓR ρCx,NCx .
CC = NCP = β 1 α+1,
NCC = CP = α 1 +β+1,

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