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Optics Letters

Optics Letters


  • Vol. 25, Iss. 21 — Nov. 1, 2000
  • pp: 1570–1572

Combinational tasks performed by second-harmonic-generated holograms

Alessandra Andreoni, Maria Bondani, and Marco A. C. Potenza  »View Author Affiliations

Optics Letters, Vol. 25, Issue 21, pp. 1570-1572 (2000)

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Second-harmonic-generated holograms directly provide the outputs of logical gates AND and NAND operating on optical bits encoded as amplitude modulations in the object and reference wave fronts. By use of a Nd:YAG laser and a β-barium borate crystal, we realized a real-time half-adder of two one-digit binary numbers. The feasibility of highly parallel operation is also discussed.

© 2000 Optical Society of America

OCIS Codes
(070.4560) Fourier optics and signal processing : Data processing by optical means
(090.0090) Holography : Holography
(200.4660) Optics in computing : Optical logic

Alessandra Andreoni, Maria Bondani, and Marco A. C. Potenza, "Combinational tasks performed by second-harmonic-generated holograms," Opt. Lett. 25, 1570-1572 (2000)

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  1. R. M. Shelby, J. A. Hoffnagle, G. W. Burr, C. M. Jefferson, M.-P. Bernal, H. Coufal, R. K. Grygier, H. Günther, R. M. Macfarlane, and G. T. Sincerbox, Opt. Lett. 22, 1509 (1977).
  2. D. Lande, S. S. Orlov, A. Akella, L. Hesselink, and R. R. Neurgaonkar, Opt. Lett. 22, 1722 (1997).
  3. Yu. N. Denisyuk, A. Andreoni, and M. A. C. Potenza, Opt. Mem. Neural Netw. 8, 123 (1999).
  4. A. Andreoni, M. Bondani, Yu. N. Denisyuk, and M. A. C. Potenza, J. Opt. Soc. Am. B 17, 966 (2000).
  5. Yu. N. Denisyuk, A. Andreoni, M. Bondani, and M. A. C. Potenza, Opt. Lett. 25, 890 (2000).
  6. Yu. N. Denisyuk, A. Andreoni, M. Bondani, and M. A. C. Potenza, “The formation of a holographic image of a diffusing object in the second harmonic light generated by non-linear material,” Opt. Spectrosc. (Russia) (to be published).
  7. A. Andreoni, M. Bondani, and M. A. C. Potenza, Opt. Commun. 154, 376 (1998).
  8. A. Andreoni, M. Bodani, M. A. C. Potenza, Yu. N. Denisyuk, and E. Puddu, “Boolean algebra-operations performed on optical bits by the generation of a holographic field through second-order non-linear interactions,” submitted to Rev. Sci. Instrum.

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