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Optics Letters

Optics Letters

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  • Vol. 14, Iss. 4 — Feb. 15, 1989
  • pp: 208–210

Optical parallel logic gate using a Pockels readout optical modulator and twisted nematic liquid-crystal cells

Kuniharu Takizawa, Hiroshi Kikuchi, Tahito Aida, and Masakatsu Okada  »View Author Affiliations


Optics Letters, Vol. 14, Issue 4, pp. 208-210 (1989)
http://dx.doi.org/10.1364/OL.14.000208


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Abstract

We describe an optical polarization parallel logic gate that is based on the two orthogonal polarization states corresponding to the two states of a binary system. The logic gate employs a Pockels readout optical modulator (PROM) and 90° twisted nematic liquid-crystal cells (LCC’s). The PROM transforms the binary-coded intensities of the input images into two orthogonally polarized states of readout light. The LCC is employed as a linear polarization rotator that negates the logic state (1 or 0) of the input and output images. Two-dimensional real-time operation of 14 Boolean logic functions for two input images has been demonstrated.

© 1989 Optical Society of America

History
Original Manuscript: September 30, 1988
Manuscript Accepted: December 8, 1988
Published: February 15, 1989

Citation
Kuniharu Takizawa, Hiroshi Kikuchi, Tahito Aida, and Masakatsu Okada, "Optical parallel logic gate using a Pockels readout optical modulator and twisted nematic liquid-crystal cells," Opt. Lett. 14, 208-210 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-4-208


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