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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 33, Iss. 8 — Mar. 10, 1994
  • pp: 1507–1516

Modified-signed-digit arithmetic for multi-input digital optical computing

Shaomin Zhou, Scott Campbell, Weishu Wu, Pochi Yeh, and Hua-Kuang Liu  »View Author Affiliations


Applied Optics, Vol. 33, Issue 8, pp. 1507-1516 (1994)
http://dx.doi.org/10.1364/AO.33.001507


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Abstract

We propose and demonstrate a modified-signed-digit (MSP) arithmetic to achieve multi-input digital optical computing. Our approach utilizes hybrid addition–subtraction transformation (or weight operation) rules among multiple inputs. This results in operation speeds that exceed those of two-input MSD arithmetic for multi-input computing. Optical implementation of the proposed multi-input MSD arithmetic by utilizing spatial data encoding and an optical fan-out element is also presented and experimentally demonstrated.

© 1994 Optical Society of America

History
Original Manuscript: March 1, 1993
Revised Manuscript: September 14, 1993
Published: March 10, 1994

Citation
Shaomin Zhou, Scott Campbell, Weishu Wu, Pochi Yeh, and Hua-Kuang Liu, "Modified-signed-digit arithmetic for multi-input digital optical computing," Appl. Opt. 33, 1507-1516 (1994)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-33-8-1507


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