Abstract
AbstractIn plasmonic-based detection platforms the major disadvantage is involvement of materials which have ohmic losses. This is major cause of broad resonance angle and limited Figure of merit (FoM) value so it’s required to develop an alternative technique of plasmonic sensor a photonic platforms such as use of one-dimensional photonic crystals (1DPhCs) may be prove a good alternative for it. In this paper, the truncated one dimensional photonic crystal (1DPC) based structure includes monolayer MoSe2 as a BRE layer has been investigated. The shift of the resonance angle as a result of the change in the refractive index of the bio-sample is explored by using the transfer matrix method (TMM) in the near-infrared range. The impact of the change in the spacer layer thickness was discussed in detail and major performance parameters like sensitivity, FoM and detection accuracy (DA) has been obtained. It’s shown that Bloch Surface Wave (BSW) based biosensor provides very high value of FoM and appreciable sensitivity in compare to metal layer based SPR configuration. KeywordsBloch surface wave (BSW)Surface plasmon wave (SPW)1D-PCSensitivityFigure of Merit (FoM)
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