Abstract

Electroholographic switching with a rise time of 13ns is henceforth presented. The switching was demonstrated in a potassium lithium tantalate crystal doped with copper and titanium with Tc=10°C. The crystal was operated at 17°C. The switching operation was done in the g11g12 configuration, in which the Bragg condition remains fulfilled at all levels of the applied field. As electroholography is a wavelength-selective switching method, this opens the way for implementing optical packet switching and fast wavelength addressing schemes in optical fiber networks that apply wavelength division multiplexing.

© 2009 Optical Society of America

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References

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  1. A. J. Agranat, Top. Appl. Phys. 86, 129 (2002).
  2. A. J. Agranat, V. Leyva, and A. Yariv, Opt. Lett. 14, 1017 (1989).
    [CrossRef] [PubMed]
  3. A. J. Agranat, R. Hofmeister, and A. Yariv, Opt. Lett. 17, 713 (1992).
    [CrossRef] [PubMed]
  4. R. Hofmeister, S. Yagi, A. Yariv, and A. J. Agranat, J. Cryst. Growth 131, 486 (1993).
    [CrossRef]
  5. A. Bitman, N. Sapiens, L. Secundo, A. J. Agranat, G. Bartal, and M. Segev, Opt. Lett. 31, 2849 (2006).
    [CrossRef] [PubMed]

2006 (1)

2002 (1)

A. J. Agranat, Top. Appl. Phys. 86, 129 (2002).

1993 (1)

R. Hofmeister, S. Yagi, A. Yariv, and A. J. Agranat, J. Cryst. Growth 131, 486 (1993).
[CrossRef]

1992 (1)

1989 (1)

Agranat, A. J.

Bartal, G.

Bitman, A.

Hofmeister, R.

R. Hofmeister, S. Yagi, A. Yariv, and A. J. Agranat, J. Cryst. Growth 131, 486 (1993).
[CrossRef]

A. J. Agranat, R. Hofmeister, and A. Yariv, Opt. Lett. 17, 713 (1992).
[CrossRef] [PubMed]

Leyva, V.

Sapiens, N.

Secundo, L.

Segev, M.

Yagi, S.

R. Hofmeister, S. Yagi, A. Yariv, and A. J. Agranat, J. Cryst. Growth 131, 486 (1993).
[CrossRef]

Yariv, A.

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Figures (5)

Fig. 1
Fig. 1

Diffraction in a symmetrical transmission Bragg grating.

Fig. 2
Fig. 2

Schematics of setup to measure the hologram diffraction efficiency.

Fig. 3
Fig. 3

Typical measurement of the diffraction efficiency as a function of the applied electric field.

Fig. 4
Fig. 4

High-voltage fast-switching circuit based on the Behlke module.

Fig. 5
Fig. 5

Measurement of the optical signal of the diffracting beam in response to a step-function driving voltage. The measured rise time is 13 ns .

Equations (7)

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n ( x ) = n 0 + n 1 cos ( K x ) ,
2 n 0 Λ sin θ in = λ .
n 1 = { n 1 ( E 0 ) when E = E 0 0 when E = 0 } .
η = I diff I inc = sin 2 ( π n 1 d λ cos θ B ) ,
Δ n = 1 2 n 0 3 g eff P 2 ,
P = ε 0 ( ε r 1 ) E ε 0 ε r E = ε E ,
n 1 = Δ n = n 0 3 g eff ( ε 0 ε r ) 2 E SC E 0 ,

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