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Design of plasmonic half-adder and half-subtractor circuits employing nonlinear effect in Mach–Zehnder interferometer

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Abstract

Plasmonic metal–insulator–metal (MIM) waveguides have the unique attribute of propagating surface plasmons beyond the diffraction limit. In this paper, basic designs for half-adder and half-subtractor circuits are proposed based on the nonlinear effect in Mach–Zehnder interferometers designed using plasmonic MIM waveguides. The proposed devices are studied in the third optical communications window with transverse magnetic polarization. The designs are verified by the finite-difference time-domain technique with the help of MATLAB simulations.

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Acknowledgements

The authors would like to acknowledge the Director, Indian Institute of Technology (Indian School of Mines), Dhanbad, India for providing the support to conduct this research work. The authors also thank the anonymous reviewers for their constructive suggestions.

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Authors and Affiliations

  1. Photonics Lab, Department of Electronics and Communication Engineering, DIT University, Dehradun, 248009, India

    Santosh Kumar & Lokendra Singh

  2. Photonics Lab, Department of Electronics Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, India

    Sanjeev Kumar Raghuwanshi

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  1. Santosh Kumar
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  2. Lokendra Singh
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  3. Sanjeev Kumar Raghuwanshi
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Correspondence to Sanjeev Kumar Raghuwanshi.

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Kumar, S., Singh, L. & Raghuwanshi, S.K. Design of plasmonic half-adder and half-subtractor circuits employing nonlinear effect in Mach–Zehnder interferometer. J Comput Electron 16, 139–147 (2017). https://doi.org/10.1007/s10825-016-0927-x

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