Abstract

The dynamic behavior of a holographic grating induced in a homeotropically aligned dye-doped liquid-crystal film is investigated. In the presence of an applied dc voltage, photoexcited azo dyes induce a photorefractive grating and then diffuse and are adsorbed onto cell substrates. The reorientation of liquid crystals as a result of adsorbed dyes leads to a phase grating that is phase shifted 90° from the photorefractive grating. Competition of these two gratings induces two-beam coupling of the writing beams, initially transferring energy from beam 1 to beam 2 and then, after a pause, from beam 2 to beam 1.

© 2001 Optical Society of America

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    [CrossRef]
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2001 (1)

1999 (2)

O. Francescangeli, S. Slussarenko, F. Simoni, D. Andrienko, V. Reshetnyak, and Y. Reznikov, Phys. Rev. Lett. 82, 1855 (1999).
[CrossRef]

D. Voloschenko and O. D. Lavrentovich, J. Appl. Phys. 86, 4843 (1999).
[CrossRef]

1998 (1)

1996 (1)

A. Y.-G. Fuh, M.-S. Tsai, C.-Y. Hung, T.-C. Ko, and L.-C. Chien, Opt. Quantum Electron. 28, 1535 (1996).
[CrossRef]

1995 (1)

1994 (1)

1991 (1)

W. M. Gibbons, P. J. Shannon, S. T. Sun, and B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

1990 (1)

I. Janossy, A. D. Lloyd, and B. S. Wherrett, Mol. Cryst. Liq. Cryst. 179, 1 (1990).

1978 (1)

H. Hervet, W. Urbach, and F. Rondelez, J. Chem. Phys. 68, 2725 (1978).
[CrossRef]

Andrienko, D.

O. Francescangeli, S. Slussarenko, F. Simoni, D. Andrienko, V. Reshetnyak, and Y. Reznikov, Phys. Rev. Lett. 82, 1855 (1999).
[CrossRef]

Chien, L.-C.

A. Y.-G. Fuh, M.-S. Tsai, C.-Y. Hung, T.-C. Ko, and L.-C. Chien, Opt. Quantum Electron. 28, 1535 (1996).
[CrossRef]

Denariez-Roberge, M. M.

Francescangeli, O.

O. Francescangeli, S. Slussarenko, F. Simoni, D. Andrienko, V. Reshetnyak, and Y. Reznikov, Phys. Rev. Lett. 82, 1855 (1999).
[CrossRef]

Fuh, A. Y.-G.

A. Y.-G. Fuh, C.-C. Liao, C.-Y. Tsai, C.-L. Lu, and D.-M. Hsieh, Opt. Lett. 26, 447 (2001).
[CrossRef]

A. Y.-G. Fuh, M.-S. Tsai, C.-Y. Hung, T.-C. Ko, and L.-C. Chien, Opt. Quantum Electron. 28, 1535 (1996).
[CrossRef]

Galstyan, T. V.

Gibbons, W. M.

W. M. Gibbons, P. J. Shannon, S. T. Sun, and B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

Hervet, H.

H. Hervet, W. Urbach, and F. Rondelez, J. Chem. Phys. 68, 2725 (1978).
[CrossRef]

Hsieh, D.-M.

Hung, C.-Y.

A. Y.-G. Fuh, M.-S. Tsai, C.-Y. Hung, T.-C. Ko, and L.-C. Chien, Opt. Quantum Electron. 28, 1535 (1996).
[CrossRef]

Janossy, I.

I. Janossy, A. D. Lloyd, and B. S. Wherrett, Mol. Cryst. Liq. Cryst. 179, 1 (1990).

Khoo, I. C.

Ko, T.-C.

A. Y.-G. Fuh, M.-S. Tsai, C.-Y. Hung, T.-C. Ko, and L.-C. Chien, Opt. Quantum Electron. 28, 1535 (1996).
[CrossRef]

Lavrentovich, O. D.

D. Voloschenko and O. D. Lavrentovich, J. Appl. Phys. 86, 4843 (1999).
[CrossRef]

Li, H.

Liang, Y.

Liao, C.-C.

Lloyd, A. D.

I. Janossy, A. D. Lloyd, and B. S. Wherrett, Mol. Cryst. Liq. Cryst. 179, 1 (1990).

Lu, C.-L.

Reshetnyak, V.

O. Francescangeli, S. Slussarenko, F. Simoni, D. Andrienko, V. Reshetnyak, and Y. Reznikov, Phys. Rev. Lett. 82, 1855 (1999).
[CrossRef]

Reznikov, Y.

O. Francescangeli, S. Slussarenko, F. Simoni, D. Andrienko, V. Reshetnyak, and Y. Reznikov, Phys. Rev. Lett. 82, 1855 (1999).
[CrossRef]

Rondelez, F.

H. Hervet, W. Urbach, and F. Rondelez, J. Chem. Phys. 68, 2725 (1978).
[CrossRef]

Saad, B.

Shannon, P. J.

W. M. Gibbons, P. J. Shannon, S. T. Sun, and B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

Simoni, F.

O. Francescangeli, S. Slussarenko, F. Simoni, D. Andrienko, V. Reshetnyak, and Y. Reznikov, Phys. Rev. Lett. 82, 1855 (1999).
[CrossRef]

Slussarenko, S.

O. Francescangeli, S. Slussarenko, F. Simoni, D. Andrienko, V. Reshetnyak, and Y. Reznikov, Phys. Rev. Lett. 82, 1855 (1999).
[CrossRef]

Sun, S. T.

W. M. Gibbons, P. J. Shannon, S. T. Sun, and B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

Swetlin, B. J.

W. M. Gibbons, P. J. Shannon, S. T. Sun, and B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

Tsai, C.-Y.

Tsai, M.-S.

A. Y.-G. Fuh, M.-S. Tsai, C.-Y. Hung, T.-C. Ko, and L.-C. Chien, Opt. Quantum Electron. 28, 1535 (1996).
[CrossRef]

Urbach, W.

H. Hervet, W. Urbach, and F. Rondelez, J. Chem. Phys. 68, 2725 (1978).
[CrossRef]

Voloschenko, D.

D. Voloschenko and O. D. Lavrentovich, J. Appl. Phys. 86, 4843 (1999).
[CrossRef]

Wherrett, B. S.

I. Janossy, A. D. Lloyd, and B. S. Wherrett, Mol. Cryst. Liq. Cryst. 179, 1 (1990).

Yeh, P.

P. Yeh, Introduction to Photorefractive Nonlinear Optics (Wiley, New York, 1993).

J. Appl. Phys. (1)

D. Voloschenko and O. D. Lavrentovich, J. Appl. Phys. 86, 4843 (1999).
[CrossRef]

J. Chem. Phys. (1)

H. Hervet, W. Urbach, and F. Rondelez, J. Chem. Phys. 68, 2725 (1978).
[CrossRef]

Mol. Cryst. Liq. Cryst. (1)

I. Janossy, A. D. Lloyd, and B. S. Wherrett, Mol. Cryst. Liq. Cryst. 179, 1 (1990).

Nature (1)

W. M. Gibbons, P. J. Shannon, S. T. Sun, and B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

Opt. Lett. (4)

Opt. Quantum Electron. (1)

A. Y.-G. Fuh, M.-S. Tsai, C.-Y. Hung, T.-C. Ko, and L.-C. Chien, Opt. Quantum Electron. 28, 1535 (1996).
[CrossRef]

Phys. Rev. Lett. (1)

O. Francescangeli, S. Slussarenko, F. Simoni, D. Andrienko, V. Reshetnyak, and Y. Reznikov, Phys. Rev. Lett. 82, 1855 (1999).
[CrossRef]

Other (1)

P. Yeh, Introduction to Photorefractive Nonlinear Optics (Wiley, New York, 1993).

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Figures (5)

Fig. 1
Fig. 1

Measurement of variations in the first-order diffracted intensity of a TM-polarized He–Ne probe laser that is normally incident upon samples doped with 1-, 1.2-, and 1.5-wt. % MR, written with TE-polarized pump beams. A triangular dc voltage with a width of 200 s was applied during measurement.

Fig. 2
Fig. 2

Dynamic measurements of the first-order diffracted intensity of the samples referred to in Fig.  1, with no voltage applied.

Fig. 3
Fig. 3

SEM image of the adsorbed MR dyes on the substrates for a sample written with TE-polarized pump beams. The fringe spacing is 54 μm.

Fig. 4
Fig. 4

Effect of applying dc pulses (2 V) on the dynamic behavior of a holographic grating formed in a DDLC sample doped with 1.2-wt. % MR.

Fig. 5
Fig. 5

Dynamic measurements of the first-order diffracted intensity and the energy transfer between the two writing beams for a DDLC sample doped with 1.2-wt. % MR. A dc voltage (3 V) was applied during measurement.

Equations (2)

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I1z=I101+m-11+m-1expγzexp-αz,
I2z=I201+m1+mexp-γzexp-αz,

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