Figure 7

(a) The radiated electric fields and (b) the corresponding radiated power spectra of the nanocavity-based terahertz source and the terahertz source fabricated on the LT-GaAs substrate.

(a) The radiated electric fields and (b) the corresponding radiated power spectra of the nanocavity-based terahertz source and the terahertz source fabricated on the LT-GaAs substrate.