Figure 5 | Scientific Reports

Figure 5

From: A High-Power Broadband Terahertz Source Enabled by Three-Dimensional Light Confinement in a Plasmonic Nanocavity

Figure 5

(a) Photocurrents in the nanocavity-based terahertz source and the terahertz source fabricated on the LT-GaAs substrate as a function of the bias voltage under an optical pump power of 720 mW. (b) Photocurrents in the nanocavity-based terahertz source and the terahertz source fabricated on the LT-GaAs substrate as a function of the optical pump power under a bias voltage of 18 V.

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