This is a set of research data related to the article titled "Absorption Spectra of AlGaN/GaN Terahertz Plasmonic Crystals—Experimental Validation of Analytical Approach" MDPI Nanomaterials 14(18):1502 (2024), doi: 10.3390/nano1481502.
The set contains numerical data used to create the next Figures:
Figure 2. Input (a) and output (b) current-voltage characteristics of the representative AlGaN/GaN grating-gate plasmonic crystal structure at different drain and gate voltage Vd and Vg, respectively.
Figure 3. Transmission spectra for the S2 structure at different gate voltage. (b) Plasmon resonance frequency as a function of the gate voltage overdrive Vg-Vth for the plasmonic crystal with different periods of P=1um (Structure S2) and P=2.5um (structure S8) and for different harmonics n.
Figure 4. The experimental frequencies of the first harmonic in AlGaN/GaN plasmonic crystals and those calculated using Equation (2) for the structures experimentally studied in the current work and from publication. The wave vector is taken to be equal to q=2pi/P.
Figure 5. Experimental frequencies as a function of the F the first harmonic number in AlGaN/GaN plasmonic crystals and those calculated using Equation (2) for the structures experimentally studied in the current work and from publication in reference.
Figure 6. Frequency of the first harmonic as a function of the gate voltage overdrive (Vg-Vth) for the S2 Structure. Experiment data and calculation using Equation (2).
(2024-09-16)
