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Refractive index sensor using Fibonacci sequence of gyroidal graphene and porous silicon based on Tamm plasmon polariton

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Abstract

In this paper, binary photonic crystal with a quasi-periodic sequence is investigated. A Fibonacci sequence of gyroidal graphene and porous silicon terminated by the gyroidal layer is proposed as a refractive index sensor. The refractive index or concentration of an analyte can be predicted based on the resonant dip of Tamm plasmon. The excellent optical properties of porous silicon and gyroidal graphene will contribute to enhancing the performance of the proposed sensor. The impact of various geometric parameters is investigated. Compared with the similar structure of periodic photonic crystals, the sensitivity and figure of merit enhanced from 188.8 to 1347.7 THz/RIU (higher 614%) and from 355,384 to 554,405/RIU (higher 56%), respectively. The high-performance results imply that the suggested Fibonacci sensor is suitable for gas detection and bio-sensing applications.

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Acknowledgement

The authors extend their appreciation to the Deanship of Scientific Research at King Khalid University for funding this work through the large Groups Project under Grant number RGP. 2/38/43.

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ZAZ corresponding author invented the original idea of the study, implemented the computer code, performed the numerical simulations, analyzed the data, wrote and revised the main manuscript text. MA-D discussed the results and supervised this work. EIZ discussed the results and supervised this work. AHA reviewed, edited, discussed the results, and supervised this work. All authors developed the final manuscript.

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Correspondence to Zaky A. Zaky.

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Zaky, Z.A., Al-Dossari, M., Zohny, E.I. et al. Refractive index sensor using Fibonacci sequence of gyroidal graphene and porous silicon based on Tamm plasmon polariton. Opt Quant Electron 55, 6 (2023). https://doi.org/10.1007/s11082-022-04262-x

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  • DOI: https://doi.org/10.1007/s11082-022-04262-x

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