Abstract

The nonlinear coupling of two beams in a saturable absorber is shown to cause a strong enhancement of the beams’ transmissivity. An analysis of this beam-coupling effect and its experimental demonstration with bacteriorhodopsin are given.

© 1998 Optical Society of America

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References

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  1. R. J. Soan, A. D. Case, M. J. Damzen, and H. R. Hutchinson, Opt. Lett. 17, 781 (1992).
    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef] [PubMed]
  4. R. Daisy, A. Peda’el, and B. Fischer, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 476.
  5. O. Werner, B. Fischer, A. Lewis, and I. Nebenzahl, Opt. Lett. 15, 1117 (1990); O. Werner, B. Fischer, and A. Lewis, Opt. Lett. 17, 241 (1992).
    [CrossRef] [PubMed]
  6. M. Horowitz, R. Daisy, B. Fischer, and J. Zyskind, Opt. Lett. 19, 1404 (1994).
    [CrossRef]
  7. G. P. Agrawal and M. Lax, J. Opt. Soc. Am. 69, 1717 (1979); J. Opt. Soc. Am. 71, 515 (1981).
    [CrossRef]

1995 (1)

1994 (1)

M. Horowitz, R. Daisy, B. Fischer, and J. Zyskind, Opt. Lett. 19, 1404 (1994).
[CrossRef]

1992 (2)

R. J. Soan, A. D. Case, M. J. Damzen, and H. R. Hutchinson, Opt. Lett. 17, 781 (1992).
[CrossRef] [PubMed]

D. Timotijevic, M. Belic, and R. Boyd, IEEE J. Quantum Electron. 28, 1915 (1992).
[CrossRef]

1990 (1)

1979 (1)

Agrawal, G. P.

Belic, M.

D. Timotijevic, M. Belic, and R. Boyd, IEEE J. Quantum Electron. 28, 1915 (1992).
[CrossRef]

Boyd, R.

D. Timotijevic, M. Belic, and R. Boyd, IEEE J. Quantum Electron. 28, 1915 (1992).
[CrossRef]

Brignon, A.

Case, A. D.

Daisy, R.

M. Horowitz, R. Daisy, B. Fischer, and J. Zyskind, Opt. Lett. 19, 1404 (1994).
[CrossRef]

R. Daisy, A. Peda’el, and B. Fischer, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 476.

Damzen, M. J.

Fischer, B.

M. Horowitz, R. Daisy, B. Fischer, and J. Zyskind, Opt. Lett. 19, 1404 (1994).
[CrossRef]

O. Werner, B. Fischer, A. Lewis, and I. Nebenzahl, Opt. Lett. 15, 1117 (1990); O. Werner, B. Fischer, and A. Lewis, Opt. Lett. 17, 241 (1992).
[CrossRef] [PubMed]

R. Daisy, A. Peda’el, and B. Fischer, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 476.

Horowitz, M.

M. Horowitz, R. Daisy, B. Fischer, and J. Zyskind, Opt. Lett. 19, 1404 (1994).
[CrossRef]

Huignard, J.-P.

Hutchinson, H. R.

Lax, M.

Lewis, A.

Nebenzahl, I.

Peda’el, A.

R. Daisy, A. Peda’el, and B. Fischer, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 476.

Soan, R. J.

Timotijevic, D.

D. Timotijevic, M. Belic, and R. Boyd, IEEE J. Quantum Electron. 28, 1915 (1992).
[CrossRef]

Werner, O.

Zyskind, J.

M. Horowitz, R. Daisy, B. Fischer, and J. Zyskind, Opt. Lett. 19, 1404 (1994).
[CrossRef]

IEEE J. Quantum Electron. (1)

D. Timotijevic, M. Belic, and R. Boyd, IEEE J. Quantum Electron. 28, 1915 (1992).
[CrossRef]

J. Opt. Soc. Am. (1)

Opt. Lett. (4)

Other (1)

R. Daisy, A. Peda’el, and B. Fischer, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), p. 476.

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Figures (3)

Fig. 1
Fig. 1

Schematic of the two-beam coupling experiment.

Fig. 2
Fig. 2

Theoretical plots of the coupling-induced transparency for the weak and the strong beams as a function of the strong beam input intensity for various beam ratios. The parameters, given in the text, were taken from the experimental data for our bacteriorhodopsin sample. ΔI2/I2inc gives the difference between the cases with and without the interference and coupling of the transmitted light intensity, normalized by I2inc, the transmitted intensity for the noncoherent case (without the coupling).

Fig. 3
Fig. 3

Experimental coupling-induced transparency for the weak and the strong beams depending on the input strong beam intensity, where the input intensity beam ratio was kept to 100.

Equations (3)

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αI=α0-α1I1+I,
2/kcos θ1dA1dz=-α0-α1+α1a2-b2×1-a-a2-b22I1A1,2/kcos θ2dA2dz=-α0-α1+α1a2-b2×1-a-a2-b22I2A2,
2/kcos θ1dA1dz=-α0A1+α1I1+I2A1+A1A2*A2,2/kcos θ2dA2dz=-α0A2+α1I1+I2A2+A2A1*A1.

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