Numerical Modeling of a Compact and High Contrast Reversible All Optical Feynman Gate with Nonlinear Kerr Effects Based on Two Dimensional Photonic Crystals

Document Type : Original Article

Authors

1 Assistant Professor, Department of Electrical Engineering, Lorestan University, Khorramabad, Iran

2 M.Sc., Lorestan University, Khorramabad, Iran

Abstract

In this study, we propose a Feynman gate based on two-dimensional photonic crystals taking into account the non-linear Kerr effects. These devices can operate at high speed, with low power consumption. The performance of the Feynman logic gate presented in this paper is based on the nonlinear effects of Kerr and the formation of identical waveguides to alternate the structure. The wavelength of this design is set in the range of 1550 nm. One of the advantages of this design is its small size of 7.54×8.55 µm2 which has been achieved due to the use of three waveguides. The minimum optical power for the case of logic 1 is 0.95 and for case of logic 0 is 0.2. So, the contrast ratio of 8.4 dB can be obtained. Hence, the Feynman optical gate provided in this article is a good option for photonic computing circuits.

Keywords

References

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History

  • Receive Date: 30 August 2020
  • Revise Date: 18 February 2021
  • Accept Date: 03 July 2021
  • Publish Date: 23 September 2021

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