Abstract

An ultrafast, all-optical, three-terminal NOR gate based on soliton dragging in fibers is demonstrated with a gain of 4.5 and a switching energy of 30 pJ. Cascadability is proved with a tandem of two NOR gates that are configured as inverters. Time shifts from soliton dragging between two orthogonally polarized pulses in a fiber can be used for logic operations in a clocked system. Larger-than-predicted time shifts are observed because of self- and cross-Raman amplification effects.

© 1990 Optical Society of America

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References

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  1. C. R. Menyuk, Opt. Lett. 12, 614 (1987); J. Opt. Soc. Am. B 5, 392 (1988).
    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
  3. M. N. Islam, Opt. Lett. 14, 1257 (1989).
    [CrossRef] [PubMed]
  4. J. P. Gordon, Opt. Lett. 8, 596 (1983).
    [CrossRef] [PubMed]
  5. M. N. Islam, E. R. Sunderman, I. Bar-Joseph, N. Sauer, T. Y. Chang, Appl. Phys. Lett. 54, 1203 (1989).
    [CrossRef]
  6. J. P. Gordon, Opt. Lett. 11, 662 (1986).
    [CrossRef] [PubMed]
  7. R. H. Stolen, Phys. Chem. Glasses 11, 83 (1970).

1989 (3)

M. N. Islam, E. R. Sunderman, I. Bar-Joseph, N. Sauer, T. Y. Chang, Appl. Phys. Lett. 54, 1203 (1989).
[CrossRef]

M. N. Islam, C. D. Poole, J. P. Gordon, Opt. Lett. 14, 1011 (1989).
[CrossRef] [PubMed]

M. N. Islam, Opt. Lett. 14, 1257 (1989).
[CrossRef] [PubMed]

1987 (1)

1986 (1)

1983 (1)

1970 (1)

R. H. Stolen, Phys. Chem. Glasses 11, 83 (1970).

Bar-Joseph, I.

M. N. Islam, E. R. Sunderman, I. Bar-Joseph, N. Sauer, T. Y. Chang, Appl. Phys. Lett. 54, 1203 (1989).
[CrossRef]

Chang, T. Y.

M. N. Islam, E. R. Sunderman, I. Bar-Joseph, N. Sauer, T. Y. Chang, Appl. Phys. Lett. 54, 1203 (1989).
[CrossRef]

Gordon, J. P.

Islam, M. N.

M. N. Islam, C. D. Poole, J. P. Gordon, Opt. Lett. 14, 1011 (1989).
[CrossRef] [PubMed]

M. N. Islam, Opt. Lett. 14, 1257 (1989).
[CrossRef] [PubMed]

M. N. Islam, E. R. Sunderman, I. Bar-Joseph, N. Sauer, T. Y. Chang, Appl. Phys. Lett. 54, 1203 (1989).
[CrossRef]

Menyuk, C. R.

Poole, C. D.

Sauer, N.

M. N. Islam, E. R. Sunderman, I. Bar-Joseph, N. Sauer, T. Y. Chang, Appl. Phys. Lett. 54, 1203 (1989).
[CrossRef]

Stolen, R. H.

R. H. Stolen, Phys. Chem. Glasses 11, 83 (1970).

Sunderman, E. R.

M. N. Islam, E. R. Sunderman, I. Bar-Joseph, N. Sauer, T. Y. Chang, Appl. Phys. Lett. 54, 1203 (1989).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Experimental configuration for testing the NOR gate. B.S.’s, beam splitters; P.B.S.’s, polarizing beam splitters; POL., polarizer. The inset shows a schematic of the NOR gate design.

Fig. 2
Fig. 2

Cross correlation of the clock pulse with the NOR gate output.

Fig. 3
Fig. 3

Cross correlation of the clock pulse with the output from a tandem of NOR gates that are configured as inverters. The output à is a replica of the input.

Fig. 4
Fig. 4

Delay of the enable pulse in a 75-m length of fiber as a function of the signal energy (soliton energy E1 ~ 60 pJ) with (a) enable pulse energy of ~132 pJ (N ~ 1.5) and (b) enable pulse energy of ~60 pJ (N ~ 1). The solid curve in (a) is a calculation from the coupled nonlinear Schrödinger equation without Raman effects for the N ~ 1.5 enable pulse along the fast axis.

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