Modeling of surface plasmon resonance ARROW waveguide and its sensitivity analysis

• DOI: 10.1007/s00542-023-05586-8
• Publication Date: 2024-01-03T04:45:05Z
• Authors: N. K. Suryanarayana; Venkatesha Muniswamy; K. Asha; Koushik Guha; Jacopo Iannacci; Narayan Krishnaswamy
• Keywords: 530; 620

In this work ARROW SPR waveguide sensor is proposed. The motivation behind present work is that surface plasmon resonance is the interesting topic of study in the bio sensing application. The modeling of SPR design and simulation of the anti-resonant reflecting optical waveguide surface plasmon resonance device (ARROW SPR) is conducted and compared with the previous modeling methods. The visible light incident onto the device using the attenuated total reflection (ATR) principle-based configuration known as Kretschmann configuration. The coupling of light to a surface plasmon (SP) is via waveguide coupler. ARROW SPR is a label free biosensor which gives high sensitivity characteristics to find the bio molecular interaction in the medical applications. The parameters of measurement carried out are loss analysis, light intensity, Q-factor, and Sensitivity. The average sensitivity of sensor obtained is 18.55 nm/RIU.