Plasmonic coupled modes in metal-insulator-metal structures for sensing applications

N. Andam; S. Refki; S. Hayasi; A. Rahmouni; H. Ishitobi; D. V. Nesterenko; Y. Inouye; Z. Sekkat

doi:10.1117/12.2319936

19 September 2018 Plasmonic coupled modes in metal-insulator-metal structures for sensing applications

N. Andam, S. Refki, S. Hayasi, A. Rahmouni, H. Ishitobi, D. V. Nesterenko, Y. Inouye, Z. Sekkat

Proceedings Volume 10722, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVI; 107220O (2018) https://doi.org/10.1117/12.2319936
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States

Abstract

The investigation of light-matter interaction has had growing interest in the field of photonics. In particular, metalinsulator-metal (MIM) sensors are of interest owing to their high sensitivity compared to conventional sensor made by a single metal layer. The high resolution and low concentrations detection is a result of the sharp resonance of the surface plasmon polariton waveguide hybrid mode at the Au/water interface supported by MIM structures. In this context, we have implemented experiments and theoretical simulations to estimate the enhancement of the sensitivity of metal-insulatormetal sensors. By changing the refractive index of an aqueous solution of glucose, we found that the use of a metalinsulator-metal stack improves the figure of merit of the sensor 7.5 times compared to that of a conventional surface plasmon resonance sensor.

Conference Presentation

Citation Download Citation

N. Andam, S. Refki, S. Hayasi, A. Rahmouni, H. Ishitobi, D. V. Nesterenko, Y. Inouye, and Z. Sekkat "Plasmonic coupled modes in metal-insulator-metal structures for sensing applications", Proc. SPIE 10722, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVI, 107220O (19 September 2018); https://doi.org/10.1117/12.2319936

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