Abstract

We experimentally demonstrate efficient coupling of atomic fluorescence to the guided mode of a subwavelength-diameter silica fiber, an optical nanofiber. We show that fluorescence of a very small number of atoms, around the nanofiber can be readily observed through a single-mode optical fiber. We also show that such a technique enables us to probe the van der Waals interaction between atoms and surface with high precision by observing the fluorescence excitation spectrum through the nanofiber.

© 2007 Optical Society of America

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  1. L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
    [CrossRef]
  2. S. G. Leon-Saval, T. A. Birks, W. J. Wadsworth, and P. St. J. Russell, "Supercontinuum generation in submicron fibre waveguides," Opt. Express 12, 2864-2869 (2004).
    [CrossRef] [PubMed]
  3. M. Sumetsky, Y. Dulashko, and A. Hale, "Fabrication and study of bent and coiled free silica nanowires: Selfcoupling microloop optical interferometer," Opt. Express 12, 3521-3531 (2004).
    [CrossRef] [PubMed]
  4. M. Sumetsky, Y. Dulashko, J. M. Fini, A. Hale, and D. J. DiGiovanni, "The Microfiber Loop Resonator: Theory, Experiment, and Application," J. Lightwave Technol. 24, 242-250 (2006).
    [CrossRef]
  5. F. Le Kien, S. Dutta Gupta, V. I. Balykin, and K. Hakuta, "Spontaneous emission of a cesium atom near a nanofiber: Efficient coupling of light to guided modes," Phys. Rev. A 72, 032509 (2005).
    [CrossRef]
  6. F. Le Kien, S. Dutta Gupta, K. P. Nayak, and K. Hakuta, "Nanofiber-mediated radiative transfer between two distant atoms," Phys. Rev. A 72, 063815 (2005).
    [CrossRef]
  7. V. I. Balykin, K. Hakuta, F. Le Kien, J. Q. Liang, and M. Morinaga, "Atom trapping and guiding with a subwavelength-diameter optical fiber," Phys. Rev. A 70, 011401(R) (2004).
    [CrossRef]
  8. F. Le Kien, V. I. Balykin, and K. Hakuta, "Atom trap and waveguide using a two-color evanescent light field around a subwavelength-diameter optical fiber," Phys. Rev. A 70, 063403 (2004).
    [CrossRef]
  9. M. Sumetsky, "How thin can a microfiber be and still guide light?," Opt. Lett. 31, 870-872 (2006).
    [CrossRef]
  10. M. Oriá, M. Chevrollier, D. Bloch, M. Fichet, and M. Ducloy, "Spectral observation of surface-induced van der Waals attraction on atomic vapor," Europhys. Lett. 14, 527-532 (1991).
    [CrossRef]
  11. M. Chevrollier, M. Chevrollier, D. Bloch, G. Rahmat, and M. Ducloy, "Van derWaals-induced spectral distortions in selective-reflection spectroscopy of Cs vapor: the strong atom-surface interaction regime," Opt. Lett. 16, 1879-1881 (1991).
    [CrossRef] [PubMed]
  12. W. R. Johnson, V. A. Dzuba, and U. I. Safronova, "Finite-field evaluation of the Lennard-Jones atom-wall interaction constant C3 for alkali-metal atoms," Phys. Rev. A 69, 022508 (2004).
    [CrossRef]
  13. F. Le Kien, S. Dutta Gupta, and K. Hakuta, "Optical excitation spectrum of an atom in a surface-induced potential," Phys. Rev. A 75,032508 (2007).
    [CrossRef]
  14. F. Le Kien and K. Hakuta, "Spontaneous radiative decay of translational levels of an atom near a dielectric surface," Phys. Rev. A 75,013423 (2007).
    [CrossRef]
  15. E. G. Lima, M. Chevrollier, O. Di Lorenzo, P. C. Segundo, and M. Oriá, "Long-range atom-surface bound states," Phys. Rev. A 62, 013410 (2000).
    [CrossRef]
  16. T. Passerat de Silans, B. Farias, M. Oriá, and M. Chevrollier, "Laser-induced quantum adsorption of neutral atoms in dielectric surfaces," Appl. Phys. B 82, 367-371 (2006).
    [CrossRef]
  17. D. A. Braje, V. Balić, S. Goda, G. Y. Yin, and S. E. Harris, "Frequency mixing using electromagnetically induced transparency in cold Atoms," Phys. Rev. Lett. 93, 183601 (2004).
    [CrossRef] [PubMed]
  18. V. Balić, D. A. Braje, P. Kolchin, G. Y. Yin, and S. E. Harris, "Generation of paired Photons with controllable waveforms," Phys. Rev. Lett. 94, 183601 (2005).
    [CrossRef] [PubMed]
  19. A. T. Black, J. K. Thompson, and Vladan Vuletić, "On-demand superradiant conversion of atomic spin gratings into single photons with high efficiency," Phys. Rev. Lett. 95, 133601 (2005).
    [CrossRef] [PubMed]

2007 (2)

F. Le Kien, S. Dutta Gupta, and K. Hakuta, "Optical excitation spectrum of an atom in a surface-induced potential," Phys. Rev. A 75,032508 (2007).
[CrossRef]

F. Le Kien and K. Hakuta, "Spontaneous radiative decay of translational levels of an atom near a dielectric surface," Phys. Rev. A 75,013423 (2007).
[CrossRef]

2006 (3)

2005 (3)

V. Balić, D. A. Braje, P. Kolchin, G. Y. Yin, and S. E. Harris, "Generation of paired Photons with controllable waveforms," Phys. Rev. Lett. 94, 183601 (2005).
[CrossRef] [PubMed]

F. Le Kien, S. Dutta Gupta, V. I. Balykin, and K. Hakuta, "Spontaneous emission of a cesium atom near a nanofiber: Efficient coupling of light to guided modes," Phys. Rev. A 72, 032509 (2005).
[CrossRef]

F. Le Kien, S. Dutta Gupta, K. P. Nayak, and K. Hakuta, "Nanofiber-mediated radiative transfer between two distant atoms," Phys. Rev. A 72, 063815 (2005).
[CrossRef]

2004 (5)

F. Le Kien, V. I. Balykin, and K. Hakuta, "Atom trap and waveguide using a two-color evanescent light field around a subwavelength-diameter optical fiber," Phys. Rev. A 70, 063403 (2004).
[CrossRef]

W. R. Johnson, V. A. Dzuba, and U. I. Safronova, "Finite-field evaluation of the Lennard-Jones atom-wall interaction constant C3 for alkali-metal atoms," Phys. Rev. A 69, 022508 (2004).
[CrossRef]

D. A. Braje, V. Balić, S. Goda, G. Y. Yin, and S. E. Harris, "Frequency mixing using electromagnetically induced transparency in cold Atoms," Phys. Rev. Lett. 93, 183601 (2004).
[CrossRef] [PubMed]

S. G. Leon-Saval, T. A. Birks, W. J. Wadsworth, and P. St. J. Russell, "Supercontinuum generation in submicron fibre waveguides," Opt. Express 12, 2864-2869 (2004).
[CrossRef] [PubMed]

M. Sumetsky, Y. Dulashko, and A. Hale, "Fabrication and study of bent and coiled free silica nanowires: Selfcoupling microloop optical interferometer," Opt. Express 12, 3521-3531 (2004).
[CrossRef] [PubMed]

2003 (1)

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
[CrossRef]

2000 (1)

E. G. Lima, M. Chevrollier, O. Di Lorenzo, P. C. Segundo, and M. Oriá, "Long-range atom-surface bound states," Phys. Rev. A 62, 013410 (2000).
[CrossRef]

1991 (2)

M. Oriá, M. Chevrollier, D. Bloch, M. Fichet, and M. Ducloy, "Spectral observation of surface-induced van der Waals attraction on atomic vapor," Europhys. Lett. 14, 527-532 (1991).
[CrossRef]

M. Chevrollier, M. Chevrollier, D. Bloch, G. Rahmat, and M. Ducloy, "Van derWaals-induced spectral distortions in selective-reflection spectroscopy of Cs vapor: the strong atom-surface interaction regime," Opt. Lett. 16, 1879-1881 (1991).
[CrossRef] [PubMed]

Ashcom, J. B.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
[CrossRef]

Balic, V.

V. Balić, D. A. Braje, P. Kolchin, G. Y. Yin, and S. E. Harris, "Generation of paired Photons with controllable waveforms," Phys. Rev. Lett. 94, 183601 (2005).
[CrossRef] [PubMed]

D. A. Braje, V. Balić, S. Goda, G. Y. Yin, and S. E. Harris, "Frequency mixing using electromagnetically induced transparency in cold Atoms," Phys. Rev. Lett. 93, 183601 (2004).
[CrossRef] [PubMed]

Balykin, V. I.

F. Le Kien, S. Dutta Gupta, V. I. Balykin, and K. Hakuta, "Spontaneous emission of a cesium atom near a nanofiber: Efficient coupling of light to guided modes," Phys. Rev. A 72, 032509 (2005).
[CrossRef]

F. Le Kien, V. I. Balykin, and K. Hakuta, "Atom trap and waveguide using a two-color evanescent light field around a subwavelength-diameter optical fiber," Phys. Rev. A 70, 063403 (2004).
[CrossRef]

Birks, T. A.

Bloch, D.

M. Chevrollier, M. Chevrollier, D. Bloch, G. Rahmat, and M. Ducloy, "Van derWaals-induced spectral distortions in selective-reflection spectroscopy of Cs vapor: the strong atom-surface interaction regime," Opt. Lett. 16, 1879-1881 (1991).
[CrossRef] [PubMed]

M. Oriá, M. Chevrollier, D. Bloch, M. Fichet, and M. Ducloy, "Spectral observation of surface-induced van der Waals attraction on atomic vapor," Europhys. Lett. 14, 527-532 (1991).
[CrossRef]

Braje, D. A.

V. Balić, D. A. Braje, P. Kolchin, G. Y. Yin, and S. E. Harris, "Generation of paired Photons with controllable waveforms," Phys. Rev. Lett. 94, 183601 (2005).
[CrossRef] [PubMed]

D. A. Braje, V. Balić, S. Goda, G. Y. Yin, and S. E. Harris, "Frequency mixing using electromagnetically induced transparency in cold Atoms," Phys. Rev. Lett. 93, 183601 (2004).
[CrossRef] [PubMed]

Chevrollier, M.

T. Passerat de Silans, B. Farias, M. Oriá, and M. Chevrollier, "Laser-induced quantum adsorption of neutral atoms in dielectric surfaces," Appl. Phys. B 82, 367-371 (2006).
[CrossRef]

E. G. Lima, M. Chevrollier, O. Di Lorenzo, P. C. Segundo, and M. Oriá, "Long-range atom-surface bound states," Phys. Rev. A 62, 013410 (2000).
[CrossRef]

M. Chevrollier, M. Chevrollier, D. Bloch, G. Rahmat, and M. Ducloy, "Van derWaals-induced spectral distortions in selective-reflection spectroscopy of Cs vapor: the strong atom-surface interaction regime," Opt. Lett. 16, 1879-1881 (1991).
[CrossRef] [PubMed]

M. Chevrollier, M. Chevrollier, D. Bloch, G. Rahmat, and M. Ducloy, "Van derWaals-induced spectral distortions in selective-reflection spectroscopy of Cs vapor: the strong atom-surface interaction regime," Opt. Lett. 16, 1879-1881 (1991).
[CrossRef] [PubMed]

M. Oriá, M. Chevrollier, D. Bloch, M. Fichet, and M. Ducloy, "Spectral observation of surface-induced van der Waals attraction on atomic vapor," Europhys. Lett. 14, 527-532 (1991).
[CrossRef]

Di Lorenzo, O.

E. G. Lima, M. Chevrollier, O. Di Lorenzo, P. C. Segundo, and M. Oriá, "Long-range atom-surface bound states," Phys. Rev. A 62, 013410 (2000).
[CrossRef]

DiGiovanni, D. J.

Ducloy, M.

M. Chevrollier, M. Chevrollier, D. Bloch, G. Rahmat, and M. Ducloy, "Van derWaals-induced spectral distortions in selective-reflection spectroscopy of Cs vapor: the strong atom-surface interaction regime," Opt. Lett. 16, 1879-1881 (1991).
[CrossRef] [PubMed]

M. Oriá, M. Chevrollier, D. Bloch, M. Fichet, and M. Ducloy, "Spectral observation of surface-induced van der Waals attraction on atomic vapor," Europhys. Lett. 14, 527-532 (1991).
[CrossRef]

Dulashko, Y.

Dutta Gupta, S.

F. Le Kien, S. Dutta Gupta, and K. Hakuta, "Optical excitation spectrum of an atom in a surface-induced potential," Phys. Rev. A 75,032508 (2007).
[CrossRef]

F. Le Kien, S. Dutta Gupta, V. I. Balykin, and K. Hakuta, "Spontaneous emission of a cesium atom near a nanofiber: Efficient coupling of light to guided modes," Phys. Rev. A 72, 032509 (2005).
[CrossRef]

F. Le Kien, S. Dutta Gupta, K. P. Nayak, and K. Hakuta, "Nanofiber-mediated radiative transfer between two distant atoms," Phys. Rev. A 72, 063815 (2005).
[CrossRef]

Dzuba, V. A.

W. R. Johnson, V. A. Dzuba, and U. I. Safronova, "Finite-field evaluation of the Lennard-Jones atom-wall interaction constant C3 for alkali-metal atoms," Phys. Rev. A 69, 022508 (2004).
[CrossRef]

Farias, B.

T. Passerat de Silans, B. Farias, M. Oriá, and M. Chevrollier, "Laser-induced quantum adsorption of neutral atoms in dielectric surfaces," Appl. Phys. B 82, 367-371 (2006).
[CrossRef]

Fichet, M.

M. Oriá, M. Chevrollier, D. Bloch, M. Fichet, and M. Ducloy, "Spectral observation of surface-induced van der Waals attraction on atomic vapor," Europhys. Lett. 14, 527-532 (1991).
[CrossRef]

Fini, J. M.

Gattass, R. R.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
[CrossRef]

Goda, S.

D. A. Braje, V. Balić, S. Goda, G. Y. Yin, and S. E. Harris, "Frequency mixing using electromagnetically induced transparency in cold Atoms," Phys. Rev. Lett. 93, 183601 (2004).
[CrossRef] [PubMed]

Hakuta, K.

F. Le Kien, S. Dutta Gupta, and K. Hakuta, "Optical excitation spectrum of an atom in a surface-induced potential," Phys. Rev. A 75,032508 (2007).
[CrossRef]

F. Le Kien and K. Hakuta, "Spontaneous radiative decay of translational levels of an atom near a dielectric surface," Phys. Rev. A 75,013423 (2007).
[CrossRef]

F. Le Kien, S. Dutta Gupta, V. I. Balykin, and K. Hakuta, "Spontaneous emission of a cesium atom near a nanofiber: Efficient coupling of light to guided modes," Phys. Rev. A 72, 032509 (2005).
[CrossRef]

F. Le Kien, S. Dutta Gupta, K. P. Nayak, and K. Hakuta, "Nanofiber-mediated radiative transfer between two distant atoms," Phys. Rev. A 72, 063815 (2005).
[CrossRef]

F. Le Kien, V. I. Balykin, and K. Hakuta, "Atom trap and waveguide using a two-color evanescent light field around a subwavelength-diameter optical fiber," Phys. Rev. A 70, 063403 (2004).
[CrossRef]

Hale, A.

Harris, S. E.

V. Balić, D. A. Braje, P. Kolchin, G. Y. Yin, and S. E. Harris, "Generation of paired Photons with controllable waveforms," Phys. Rev. Lett. 94, 183601 (2005).
[CrossRef] [PubMed]

D. A. Braje, V. Balić, S. Goda, G. Y. Yin, and S. E. Harris, "Frequency mixing using electromagnetically induced transparency in cold Atoms," Phys. Rev. Lett. 93, 183601 (2004).
[CrossRef] [PubMed]

He, S.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
[CrossRef]

Johnson, W. R.

W. R. Johnson, V. A. Dzuba, and U. I. Safronova, "Finite-field evaluation of the Lennard-Jones atom-wall interaction constant C3 for alkali-metal atoms," Phys. Rev. A 69, 022508 (2004).
[CrossRef]

Kolchin, P.

V. Balić, D. A. Braje, P. Kolchin, G. Y. Yin, and S. E. Harris, "Generation of paired Photons with controllable waveforms," Phys. Rev. Lett. 94, 183601 (2005).
[CrossRef] [PubMed]

Le Kien, F.

F. Le Kien and K. Hakuta, "Spontaneous radiative decay of translational levels of an atom near a dielectric surface," Phys. Rev. A 75,013423 (2007).
[CrossRef]

F. Le Kien, S. Dutta Gupta, and K. Hakuta, "Optical excitation spectrum of an atom in a surface-induced potential," Phys. Rev. A 75,032508 (2007).
[CrossRef]

F. Le Kien, S. Dutta Gupta, V. I. Balykin, and K. Hakuta, "Spontaneous emission of a cesium atom near a nanofiber: Efficient coupling of light to guided modes," Phys. Rev. A 72, 032509 (2005).
[CrossRef]

F. Le Kien, S. Dutta Gupta, K. P. Nayak, and K. Hakuta, "Nanofiber-mediated radiative transfer between two distant atoms," Phys. Rev. A 72, 063815 (2005).
[CrossRef]

F. Le Kien, V. I. Balykin, and K. Hakuta, "Atom trap and waveguide using a two-color evanescent light field around a subwavelength-diameter optical fiber," Phys. Rev. A 70, 063403 (2004).
[CrossRef]

Leon-Saval, S. G.

Lima, E. G.

E. G. Lima, M. Chevrollier, O. Di Lorenzo, P. C. Segundo, and M. Oriá, "Long-range atom-surface bound states," Phys. Rev. A 62, 013410 (2000).
[CrossRef]

Lou, J.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
[CrossRef]

Maxwell, I.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
[CrossRef]

Mazur, E.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
[CrossRef]

Nayak, K. P.

F. Le Kien, S. Dutta Gupta, K. P. Nayak, and K. Hakuta, "Nanofiber-mediated radiative transfer between two distant atoms," Phys. Rev. A 72, 063815 (2005).
[CrossRef]

Oriá, M.

T. Passerat de Silans, B. Farias, M. Oriá, and M. Chevrollier, "Laser-induced quantum adsorption of neutral atoms in dielectric surfaces," Appl. Phys. B 82, 367-371 (2006).
[CrossRef]

E. G. Lima, M. Chevrollier, O. Di Lorenzo, P. C. Segundo, and M. Oriá, "Long-range atom-surface bound states," Phys. Rev. A 62, 013410 (2000).
[CrossRef]

M. Oriá, M. Chevrollier, D. Bloch, M. Fichet, and M. Ducloy, "Spectral observation of surface-induced van der Waals attraction on atomic vapor," Europhys. Lett. 14, 527-532 (1991).
[CrossRef]

Passerat de Silans, T.

T. Passerat de Silans, B. Farias, M. Oriá, and M. Chevrollier, "Laser-induced quantum adsorption of neutral atoms in dielectric surfaces," Appl. Phys. B 82, 367-371 (2006).
[CrossRef]

Rahmat, G.

Russell, P. St. J.

Safronova, U. I.

W. R. Johnson, V. A. Dzuba, and U. I. Safronova, "Finite-field evaluation of the Lennard-Jones atom-wall interaction constant C3 for alkali-metal atoms," Phys. Rev. A 69, 022508 (2004).
[CrossRef]

Segundo, P. C.

E. G. Lima, M. Chevrollier, O. Di Lorenzo, P. C. Segundo, and M. Oriá, "Long-range atom-surface bound states," Phys. Rev. A 62, 013410 (2000).
[CrossRef]

Shen, M.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
[CrossRef]

Sumetsky, M.

Tong, L.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
[CrossRef]

Wadsworth, W. J.

Yin, G. Y.

V. Balić, D. A. Braje, P. Kolchin, G. Y. Yin, and S. E. Harris, "Generation of paired Photons with controllable waveforms," Phys. Rev. Lett. 94, 183601 (2005).
[CrossRef] [PubMed]

D. A. Braje, V. Balić, S. Goda, G. Y. Yin, and S. E. Harris, "Frequency mixing using electromagnetically induced transparency in cold Atoms," Phys. Rev. Lett. 93, 183601 (2004).
[CrossRef] [PubMed]

Appl. Phys. B (1)

T. Passerat de Silans, B. Farias, M. Oriá, and M. Chevrollier, "Laser-induced quantum adsorption of neutral atoms in dielectric surfaces," Appl. Phys. B 82, 367-371 (2006).
[CrossRef]

Europhys. Lett. (1)

M. Oriá, M. Chevrollier, D. Bloch, M. Fichet, and M. Ducloy, "Spectral observation of surface-induced van der Waals attraction on atomic vapor," Europhys. Lett. 14, 527-532 (1991).
[CrossRef]

J. Lightwave Technol. (1)

Nature (London) (1)

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, "Subwavelength diameter silica wires for low-loss optical wave guiding," Nature (London) 426, 816-819 (2003).
[CrossRef]

Opt. Express (2)

Opt. Lett. (2)

Phys. Rev. A (7)

W. R. Johnson, V. A. Dzuba, and U. I. Safronova, "Finite-field evaluation of the Lennard-Jones atom-wall interaction constant C3 for alkali-metal atoms," Phys. Rev. A 69, 022508 (2004).
[CrossRef]

F. Le Kien, S. Dutta Gupta, and K. Hakuta, "Optical excitation spectrum of an atom in a surface-induced potential," Phys. Rev. A 75,032508 (2007).
[CrossRef]

F. Le Kien and K. Hakuta, "Spontaneous radiative decay of translational levels of an atom near a dielectric surface," Phys. Rev. A 75,013423 (2007).
[CrossRef]

E. G. Lima, M. Chevrollier, O. Di Lorenzo, P. C. Segundo, and M. Oriá, "Long-range atom-surface bound states," Phys. Rev. A 62, 013410 (2000).
[CrossRef]

F. Le Kien, V. I. Balykin, and K. Hakuta, "Atom trap and waveguide using a two-color evanescent light field around a subwavelength-diameter optical fiber," Phys. Rev. A 70, 063403 (2004).
[CrossRef]

F. Le Kien, S. Dutta Gupta, V. I. Balykin, and K. Hakuta, "Spontaneous emission of a cesium atom near a nanofiber: Efficient coupling of light to guided modes," Phys. Rev. A 72, 032509 (2005).
[CrossRef]

F. Le Kien, S. Dutta Gupta, K. P. Nayak, and K. Hakuta, "Nanofiber-mediated radiative transfer between two distant atoms," Phys. Rev. A 72, 063815 (2005).
[CrossRef]

Phys. Rev. Lett. (2)

D. A. Braje, V. Balić, S. Goda, G. Y. Yin, and S. E. Harris, "Frequency mixing using electromagnetically induced transparency in cold Atoms," Phys. Rev. Lett. 93, 183601 (2004).
[CrossRef] [PubMed]

V. Balić, D. A. Braje, P. Kolchin, G. Y. Yin, and S. E. Harris, "Generation of paired Photons with controllable waveforms," Phys. Rev. Lett. 94, 183601 (2005).
[CrossRef] [PubMed]

Other (2)

A. T. Black, J. K. Thompson, and Vladan Vuletić, "On-demand superradiant conversion of atomic spin gratings into single photons with high efficiency," Phys. Rev. Lett. 95, 133601 (2005).
[CrossRef] [PubMed]

V. I. Balykin, K. Hakuta, F. Le Kien, J. Q. Liang, and M. Morinaga, "Atom trapping and guiding with a subwavelength-diameter optical fiber," Phys. Rev. A 70, 011401(R) (2004).
[CrossRef]

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Figures (4)

Fig. 1.
Fig. 1.

(a) Conceptual diagram of the experiment. Optical nanofiber locates at the mid of tapered optical fiber. APD denotes avalanche photodiode. (b) Coupling efficiency of spontaneous emission into each direction of nanofiber propagation mode, ηg , versus atom position r/a, where r and a are distance from nanofiber axis and radius of nanofiber, respectively.

Fig. 2.
Fig. 2.

Photon count through the optical fiber under three conditions; (1) both MOT laser beams and B-fields are switched off, (2) MOT laser beams are switched on, and (3) both MOT laser beams and B-fields are switched on.

Fig. 3.
Fig. 3.

(a) Time sequence for the measurements using probe laser. (b) Observed photon count versus MOT-position. Dashed line denotes the background count when the probe laser is off.

Fig. 4.
Fig. 4.

Excitation spectrum versus probe laser detuning. Detuning Δ is measured relative to atomic resonance. (a) Observed spectrum for two probe intensities; (1) 3.2 mW/cm2, and (2) 0.32 mW/cm2. Detuning is calibrated to the atom distance z from the surface. (b) Calculated spectrum for the photoassociative transitions (dashed curve) and the bound to bound transitions (dotted curve).

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