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Design of all-optical simultaneous AND, NAND, OR, and NOR logic gates using phase-based control of three coupled waveguides

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Abstract

In this paper, we present a novel phase-based structure for implementing the all-optical multi-function logic gates. The proposed structure which is composed of three coupled waveguides allows us to simultaneously access OR/NOR and AND/NAND logic functions from different output ports. The phase of middle waveguide plays the role of control tool which defines the logical values of outputs. The output ports can be switched from OR/NOR to AND/NAND logic functions by changing the control phase from 24\(^{\circ }\) to 237\(^{\circ }\), respectively. Beam propagation method has been employed in order to accomplish the simulations of light propagation.

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Authors and Affiliations

  1. Department of Electrical and Electronics Engineering, Iran University of Science and Technology (IUST), Tehran, Iran

    Mahyar Dehdast

  2. Department of Electrical Engineering, Sahand University of Technology, Tabriz, Iran

    Ali Bahrami

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  1. Mahyar Dehdast
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  2. Ali Bahrami
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Correspondence to Mahyar Dehdast.

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Dehdast, M., Bahrami, A. Design of all-optical simultaneous AND, NAND, OR, and NOR logic gates using phase-based control of three coupled waveguides. Photon Netw Commun 33, 136–142 (2017). https://doi.org/10.1007/s11107-016-0621-8

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  • DOI: https://doi.org/10.1007/s11107-016-0621-8

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