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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 1 — Jan. 7, 2008
  • pp: 248–257

New all-optical logic gates based on the local nonlinear Mach-Zehnder interferometer

Yaw-Dong Wu, Tien-Tsorng Shih, and Mao-Hsiung Chen  »View Author Affiliations

Optics Express, Vol. 16, Issue 1, pp. 248-257 (2008)

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We propose new all-optical logic gates containing a local nonlinear Mach-Zehnder interferometer waveguide structure. The light-induced index changes in the Mach-Zehnder waveguide structure make the output signal beam propagate through different nonlinear output waveguides. Based on the output signal beam propagating property, various all-optical logic gates by using the local nonlinear Mach-Zehnder waveguide interferometer structure with two straight control waveguides have been proposed to perform XOR/NXOR, AND/NAND, and OR/NOR logic functions.

© 2008 Optical Society of America

OCIS Codes
(130.3750) Integrated optics : Optical logic devices
(190.0190) Nonlinear optics : Nonlinear optics
(190.3270) Nonlinear optics : Kerr effect
(190.4360) Nonlinear optics : Nonlinear optics, devices
(230.1150) Optical devices : All-optical devices

ToC Category:
Nonlinear Optics

Original Manuscript: November 8, 2007
Revised Manuscript: December 14, 2007
Manuscript Accepted: December 18, 2007
Published: January 3, 2008

Yaw-Dong Wu, Tien-Tsorng Shih, and Mao-Hsiung Chen, "New all-optical logic gates based on the local nonlinear Mach-Zehnder interferometer," Opt. Express 16, 248-257 (2008)

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