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Performance analysis of all-optical full-adder based on two-dimensional photonic crystals

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Abstract

An all-optical full-adder device is implemented using a two-dimensional photonic crystal waveguide. The design of the full-adder circuit is based on a beam-interference principle that utilizes a combination of Y- and T-shaped waveguide structures formed from silicon dielectric rods in air background. Available optical full-adder circuits are designed with either a semiconductor optical amplifier (SOA) or a nonlinear material. The proposed circuit has been implemented without using any nonlinear material and SOA to overcome previous limitations. Various combinations of inputs of the full-adder are used and optimized through multiple simulations. The difference in the output between logic “0” and “1” has been optimized to reduce the error probability in their identification. The simulated outputs are also verified with the help of the electric field intensity distribution at wavelengths near 1550 nm for different input combinations of the full-adder. Moreover, the proposed full-adder structure has very fast response time of 1.06 ps.

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Acknowledgements

Sandip Swarnakar would like to thank Dr. Santasri Koley for help during manuscript revision. The authors would like to thank Prof. K. K. Raina, Vice Chancellor of DIT University, India, for encouragement and support during the present research work.

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Authors and Affiliations

  1. Photonics Laboratory, Department of Electrical, Electronics and Communication Engineering, DIT University, Dehradun, Uttarakhand, 248009, India

    Sandip Swarnakar, Santosh Kumar & Sandeep Sharma

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  1. Sandip Swarnakar
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  2. Santosh Kumar
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  3. Sandeep Sharma
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Correspondence to Santosh Kumar.

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Swarnakar, S., Kumar, S. & Sharma, S. Performance analysis of all-optical full-adder based on two-dimensional photonic crystals. J Comput Electron 17, 1124–1134 (2018). https://doi.org/10.1007/s10825-018-1177-x

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  • DOI: https://doi.org/10.1007/s10825-018-1177-x

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