Abstract

The coherent properties of the temporally and spectrally narrowed emission of laser-induced fluorescence of organic dyes hosted inside artificial scattering matrices (random lasers) were investigated. The excitation source was a frequency-doubled 200-fs pulsed laser emitting at 400 nm. Spectral and temporal features were simultaneously recorded with a spectrograph and a streak camera operating in photon-counting mode. Photon-number distributions were thus created. The temporal coherence of the laserlike emission above and below the excitation energy threshold was investigated from the photon-number distribution that was obtained.

© 2000 Optical Society of America

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References

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1999 (2)

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. Chang, Phys. Rev. Lett. 82, 2278 (1999).
[CrossRef]

G. Zacharakis, G. Heliotis, G. Filippidis, and T. G. Papazoglou, Appl. Opt. 38, 6087 (1999).
[CrossRef]

1997 (1)

1996 (2)

D. S. Wiersma and A. Lagendijk, Phys. Rev. E 54, 4256 (1996).
[CrossRef]

S. John and G. Pang, Phys. Rev. A 54, 3642 (1996).
[CrossRef] [PubMed]

1995 (2)

1994 (2)

N. M. Lawandy, R. M. Balachandran, A. S. L. Gomes, and E. Sauvian, Nature 368, 436 (1994).
[CrossRef]

W. L. Sha, C. H. Liu, and R. R. Alfano, Opt. Lett. 19, 1922 (1994).
[CrossRef] [PubMed]

1993 (1)

Th. M. Nieuwenhuizen and J. M. Luck, Phys. Rev. E 48, 569 (1993).
[CrossRef]

1991 (1)

S. John, Phys. Today 44(5), 32 (1991).
[CrossRef]

1985 (1)

P. W. Anderson, Philos. Mag. B 52, 505 (1985).
[CrossRef]

1968 (1)

V. S. Letokhov, Sov. Phys. JEPT 26, 835 (1968).

Alfano, R. R.

Anderson, P. W.

P. W. Anderson, Philos. Mag. B 52, 505 (1985).
[CrossRef]

Balachandran, R. M.

Cao, H.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. Chang, Phys. Rev. Lett. 82, 2278 (1999).
[CrossRef]

Chang, R. P.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. Chang, Phys. Rev. Lett. 82, 2278 (1999).
[CrossRef]

Cue, N.

Filippidis, G.

Gomes, A. S. L.

N. M. Lawandy, R. M. Balachandran, A. S. L. Gomes, and E. Sauvian, Nature 368, 436 (1994).
[CrossRef]

Heliotis, G.

Ho, S. T.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. Chang, Phys. Rev. Lett. 82, 2278 (1999).
[CrossRef]

John, S.

S. John and G. Pang, Phys. Rev. A 54, 3642 (1996).
[CrossRef] [PubMed]

S. John, Phys. Today 44(5), 32 (1991).
[CrossRef]

Lagendijk, A.

D. S. Wiersma and A. Lagendijk, Phys. Rev. E 54, 4256 (1996).
[CrossRef]

Lawandy, N. M.

Letokhov, V. S.

V. S. Letokhov, Sov. Phys. JEPT 26, 835 (1968).

Liu, C. H.

Loudon, R.

R. Loudon, The Quantum Theory of Light, 2nd ed. (Oxford U. Press, Oxford, 1983).

Luck, J. M.

Th. M. Nieuwenhuizen and J. M. Luck, Phys. Rev. E 48, 569 (1993).
[CrossRef]

Moon, J. A.

Nieuwenhuizen, Th. M.

Th. M. Nieuwenhuizen and J. M. Luck, Phys. Rev. E 48, 569 (1993).
[CrossRef]

Pang, G.

S. John and G. Pang, Phys. Rev. A 54, 3642 (1996).
[CrossRef] [PubMed]

Papazoglou, T. G.

Sauvian, E.

N. M. Lawandy, R. M. Balachandran, A. S. L. Gomes, and E. Sauvian, Nature 368, 436 (1994).
[CrossRef]

Seelig, E. W.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. Chang, Phys. Rev. Lett. 82, 2278 (1999).
[CrossRef]

Sha, W. L.

Wang, Q. H.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. Chang, Phys. Rev. Lett. 82, 2278 (1999).
[CrossRef]

Wiersma, D. S.

D. S. Wiersma and A. Lagendijk, Phys. Rev. E 54, 4256 (1996).
[CrossRef]

Yoo, K. M.

Zacharakis, G.

Zhang, W.

Zhao, Y. G.

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. Chang, Phys. Rev. Lett. 82, 2278 (1999).
[CrossRef]

Appl. Opt. (1)

Nature (1)

N. M. Lawandy, R. M. Balachandran, A. S. L. Gomes, and E. Sauvian, Nature 368, 436 (1994).
[CrossRef]

Opt. Lett. (4)

Philos. Mag. B (1)

P. W. Anderson, Philos. Mag. B 52, 505 (1985).
[CrossRef]

Phys. Rev. A (1)

S. John and G. Pang, Phys. Rev. A 54, 3642 (1996).
[CrossRef] [PubMed]

Phys. Rev. E (2)

D. S. Wiersma and A. Lagendijk, Phys. Rev. E 54, 4256 (1996).
[CrossRef]

Th. M. Nieuwenhuizen and J. M. Luck, Phys. Rev. E 48, 569 (1993).
[CrossRef]

Phys. Rev. Lett. (1)

H. Cao, Y. G. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, and R. P. Chang, Phys. Rev. Lett. 82, 2278 (1999).
[CrossRef]

Phys. Today (1)

S. John, Phys. Today 44(5), 32 (1991).
[CrossRef]

Sov. Phys. JEPT (1)

V. S. Letokhov, Sov. Phys. JEPT 26, 835 (1968).

Other (1)

R. Loudon, The Quantum Theory of Light, 2nd ed. (Oxford U. Press, Oxford, 1983).

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Figures (5)

Fig. 1
Fig. 1

Experimental setup: PD, photodiode; BBO, β-barium borate.

Fig. 2
Fig. 2

Photon-count distributions of the laserlike emission (above threshold E=12 µJ) in increasing time delays after the excitation has finished. The total number of photon counts is kept constant.

Fig. 3
Fig. 3

Photon-count distributions performed on the fluorescence below threshold E=1 µJ for different time delays after the excitation.

Fig. 4
Fig. 4

Photon-count distributions of the florescence for increasing excitation energies (1, 4, 7, and 12 µJ). The distributions correspond to zero time delay.

Fig. 5
Fig. 5

Coherent percentages of the photon-count distributions for different time delays (open triangles) and different excitation energies (filled squares), as calculated from the weight of the Poisson part of the fitting formula.

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