Abstract

It is experimentally shown that the competition between the two lasing modes of bichromatic emission in a dye solution with nanoparticle scatterers within the diffuse regime can be externally controlled by varying only the excitation beam diameter and the radiation detector position. It is established that this feature is a consequence of the changes in the reabsorption process strengths between monomer and dimer dye aggregates. The controllable switching of these lasing modes could open the real possibility of implementing previously suggested applications for this effect as optical switches.

© 2006 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef]

2003 (3)

H. Cao, Waves Random Media 13, Rl (2003).
[CrossRef]

P. Vaveliuk, A. M. de Brito Silva, and P. C. de Oliveira, Phys. Rev. A 68, 013805 (2003).
[CrossRef]

A. L. Burin, H. Cao, and M. A. Ratner, Physica B 338, 212 (2003).
[CrossRef]

2000 (1)

H. Cao, J. Y. Xu, S. H. Chang, and S. T. Ho, Phys. Rev. E 61, 1985 (2000).
[CrossRef]

1999 (1)

1998 (1)

S. V. Frolov, Z. V. Vardeny, and K. Yoshino, Phys. Rev. B 57, 1985 (1998).
[CrossRef]

1996 (3)

1994 (2)

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

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

1989 (1)

O. Valdes-Aguilera and D. C. Neckers, Acc. Chem. Res. 22, 171 (1989).
[CrossRef]

1975 (1)

C. V. Shank, Rev. Mod. Phys. 47, 649 (1975).
[CrossRef]

Alfano, R. R.

Balachandran, R. M.

R. M. Balachandran and N. M. Lawandy, Opt. Lett. 21, 1603 (1996).
[CrossRef] [PubMed]

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

Burin, A. L.

A. L. Burin, H. Cao, and M. A. Ratner, Physica B 338, 212 (2003).
[CrossRef]

Cao, H.

A. L. Burin, H. Cao, and M. A. Ratner, Physica B 338, 212 (2003).
[CrossRef]

H. Cao, Waves Random Media 13, Rl (2003).
[CrossRef]

H. Cao, J. Y. Xu, S. H. Chang, and S. T. Ho, Phys. Rev. E 61, 1985 (2000).
[CrossRef]

Chang, S. H.

H. Cao, J. Y. Xu, S. H. Chang, and S. T. Ho, Phys. Rev. E 61, 1985 (2000).
[CrossRef]

de Brito Silva, A. M.

P. Vaveliuk, A. M. de Brito Silva, and P. C. de Oliveira, Phys. Rev. A 68, 013805 (2003).
[CrossRef]

de Oliveira, P. C.

P. Vaveliuk, A. M. de Brito Silva, and P. C. de Oliveira, Phys. Rev. A 68, 013805 (2003).
[CrossRef]

Frolov, S. V.

S. V. Frolov, Z. V. Vardeny, and K. Yoshino, Phys. Rev. B 57, 1985 (1998).
[CrossRef]

Gomes, A. S. L.

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

Ho, S. T.

H. Cao, J. Y. Xu, S. H. Chang, and S. T. Ho, Phys. Rev. E 61, 1985 (2000).
[CrossRef]

John, S.

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

Lagendijk, A.

Lawandy, N. M.

R. M. Balachandran and N. M. Lawandy, Opt. Lett. 21, 1603 (1996).
[CrossRef] [PubMed]

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

Liu, C.-H.

Liu, Feng

Neckers, D. C.

O. Valdes-Aguilera and D. C. Neckers, Acc. Chem. Res. 22, 171 (1989).
[CrossRef]

Pang, G.

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

Ratner, M. A.

A. L. Burin, H. Cao, and M. A. Ratner, Physica B 338, 212 (2003).
[CrossRef]

Sauvain, E.

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

Sha, W. L.

Shank, C. V.

C. V. Shank, Rev. Mod. Phys. 47, 649 (1975).
[CrossRef]

Tomita, M.

Valdes-Aguilera, O.

O. Valdes-Aguilera and D. C. Neckers, Acc. Chem. Res. 22, 171 (1989).
[CrossRef]

van Soest, G.

Vardeny, Z. V.

S. V. Frolov, Z. V. Vardeny, and K. Yoshino, Phys. Rev. B 57, 1985 (1998).
[CrossRef]

Vaveliuk, P.

P. Vaveliuk, A. M. de Brito Silva, and P. C. de Oliveira, Phys. Rev. A 68, 013805 (2003).
[CrossRef]

Xu, J. Y.

H. Cao, J. Y. Xu, S. H. Chang, and S. T. Ho, Phys. Rev. E 61, 1985 (2000).
[CrossRef]

Yoshino, K.

S. V. Frolov, Z. V. Vardeny, and K. Yoshino, Phys. Rev. B 57, 1985 (1998).
[CrossRef]

Acc. Chem. Res. (1)

O. Valdes-Aguilera and D. C. Neckers, Acc. Chem. Res. 22, 171 (1989).
[CrossRef]

Nature (1)

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

Opt. Lett. (4)

Phys. Rev. A (2)

P. Vaveliuk, A. M. de Brito Silva, and P. C. de Oliveira, Phys. Rev. A 68, 013805 (2003).
[CrossRef]

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

Phys. Rev. B (1)

S. V. Frolov, Z. V. Vardeny, and K. Yoshino, Phys. Rev. B 57, 1985 (1998).
[CrossRef]

Phys. Rev. E (1)

H. Cao, J. Y. Xu, S. H. Chang, and S. T. Ho, Phys. Rev. E 61, 1985 (2000).
[CrossRef]

Physica B (1)

A. L. Burin, H. Cao, and M. A. Ratner, Physica B 338, 212 (2003).
[CrossRef]

Rev. Mod. Phys. (1)

C. V. Shank, Rev. Mod. Phys. 47, 649 (1975).
[CrossRef]

Waves Random Media (1)

H. Cao, Waves Random Media 13, Rl (2003).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

Schematic diagram of the experimental setup. BS, beam splitter; (1) front and (2) back detectors with ϕ = 10 ° ; L, lenses; I, iris, system used to collimate and change the pump beam size.

Fig. 2
Fig. 2

Stokes shift versus spot diameter for the detector at the front and the back. Left, low dye concentrations, C l = 5 × 10 4 M ; (b) high concentrations (as in remaining figures), C h = 8 × 10 3 M . The inset in (b) shows the Stokes shift for the secondary peak, absent for C l .

Fig. 3
Fig. 3

Emission spectra of the scattering gain medium for different pump diameter beams. The bichromatic emission was collected at the front.

Fig. 4
Fig. 4

Spectral peak intensities versus the pump spot area for radiation collected at the front and back. M and D represent the peaks of the monomers and the dimers respectively.

Fig. 5
Fig. 5

Dominance switch in bichromatic emission spectra for different spot diameters and position detectors.

Metrics