Fano resonance exhibiting extremely sharp asymmetric spectral shape provides high sensitive and accurate sensing.

Sealed ethanol acting as temperature sensitive material increases sensitivity in measurements.

The nanoscale sensor has integration possibility and application potentials as in on-chip sensing and rapid field detections.

Infrared band is adopted in temperature sensing for future optical applications.

Optimization is introduced in structure design for seeking optimal configuration to balance the trade-off between transmission rate and spectral peak width.