Multifunctional Terahertz Biodetection Enabled by Resonant Metasurfaces
Chongqing University · East China Normal University · +5 more institutions
Abstract
Testing diverse biomolecules and observing their dynamic interaction in complex biological systems in a label-free manner is critically important for terahertz (THz) absorption spectroscopy. However, traditionally employed micro/nanophotonic techniques suffer from a narrow operating resonance and strong absorption band interference from polar solutions preventing seriously reliable, on-demand biosensor integration. Here, a multifunctional THz plasmonic biosensing platform by leveraging multiple interfering resonances from quasi-bound states in the continuum designed to noninvasively and in situ track the temporal evolution of molecules in multiple analyte systems, is proposed. In contrast to conventional…
Citation impact
- FWCI
- 31.96
- Percentile
- 100%
- References
- 60
Authors
11Topics & keywords
- Terahertz radiation
- Biomolecule
- Biosensor
- Materials science
- Nanotechnology
- Absorption (acoustics)
- Nanophotonics
- Hyperspectral imaging
- Reduced inequalities