What would be a useful application for 10 Thz nano-antennas?

[Tech2025]

Reading: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3597338/

However I don't understand what a useful application for this is? can someone explain?

 

[anorlunda]

There are numerous applications for Terahertz radiation. See https://en.wikipedia.org/wiki/Terahertz_radiation#Research