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Optics Letters

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  • Vol. 12, Iss. 8 — Aug. 1, 1987
  • pp: 611–613

Polarization-based optical parallel logic gate utilizing ferroelectric liquid crystals

M. A. Handschy, K. M. Johnson, W. T. Cathey, and L. A. Pagano-Stauffer  »View Author Affiliations


Optics Letters, Vol. 12, Issue 8, pp. 611-613 (1987)
http://dx.doi.org/10.1364/OL.12.000611


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Abstract

We describe parallel optical xor and xnor logic gates implemented with ferroelectric liquid-crystal (FLC) electro-optic elements to yield naturally a logic in which the binary gate outputs are indicated by two orthogonal polarizations of transmitted light. These gates absorb no power from the incident light beam and hence can be cascaded without the need to regenerate not inputs. The FLC elements also confer the advantages of low-voltage, low-power, submicrosecond switching and intrinsic two-state memory. Experimental results demonstrating the xor and xnor function are presented, along with measurements of the percentage of polarized light rotated into the two binary states.

© 1987 Optical Society of America

History
Original Manuscript: January 27, 1987
Manuscript Accepted: May 18, 1987
Published: August 1, 1987

Citation
M. A. Handschy, K. M. Johnson, W. T. Cathey, and L. A. Pagano-Stauffer, "Polarization-based optical parallel logic gate utilizing ferroelectric liquid crystals," Opt. Lett. 12, 611-613 (1987)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-12-8-611


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References

  1. K. M. Johnson, M. A. Handschy, L. A. Pagano-Stauffer, Opt. Eng. 26, 385 (1987).
  2. A. W. Lohmann, Appl. Opt. 25, 1594 (1986). [CrossRef] [PubMed]
  3. A. W. Lohmann, J. Weigelt, Appl. Opt. 26, 131 (1987). [CrossRef] [PubMed]
  4. V. A. Tsvetkov, N. A. Morozov, M. I. Ellinson, Sov. J. Quantum Electron. 4, 989 (1975). [CrossRef]
  5. N. A. Clark, M. A. Handschy, S. T. Lagerwall, Mol. Cryst. Liq. Cryst. 94, 213 (1983). [CrossRef]
  6. M. A. Handschy, N. A. Clark, Ferroelectrics 59, 69 (1984). [CrossRef]
  7. N. A. Clark, S. T. Lagerwall, Ferroelectrics 59, 25 (1984). [CrossRef]
  8. J. S. Patel, Opt. Eng. 26, 129 (1987).
  9. N. A. Clark, S. T. Lagerwall, Appl. Phys. Lett. 36, 899 (1980). [CrossRef]
  10. L. A. Pagano-Stauffer, K. M. Johnson, N. A. Clark, M. A. Handschy, Proc. Soc. Photo-Opt. Instrum. Eng. 684, 88 (1986).
  11. Chisso Corporation, Fine Chemicals Division, 2 Kamariya, Kanazawa-ku, Yokohama 236, Japan.
  12. J. Wahl, T. Matuszczyk, S. T. Lagerwall, Mol. Cryst. Liq. Cryst. (to be published).
  13. D. Armitage, J. Thackara, N. A. Clark, M. A. Handschy, Proc. Soc. Photo-Opt. Instrum. Eng. 684, 60 (1987).
  14. G. Moddel, K. M. Johnson, M. A. Handschy, Proc. Soc. Photo-Opt. Instrum. Eng. 754, 33 (1987).

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