Refractive index sensor based on hybrid-Tamm plasmon-polariton and cavity mode

We propose the design of refractive index sensor using hybrid-modes formed due to coupling of Tamm-plasmon-polaritons (TPP) and cavity mode in Ta
₂
O
₅
/SiO
₂
based distributed Bragg-reflectors (DBR). The cavity mode sensitivity varied from 180 nm/RIU to 310 nm/RIU while the sensitivity of low frequency hybrid TPP mode varied from 70 nm/RIU to 210 nm/RIU.