Factors Affecting Terahertz Emission from InGaN Quantum Wells under Ultrafast Excitation

<div>(a) THz field amplitude as a function of excitation energy in In<sub>X</sub>Ga<sub>1-X</sub>N layers with <i>x</i> = 0.68 (blue) and 0.8 (green) where <i>x</i> represents the doping concentration. Copyright nature portfolio (b) Temporal evolution of absorption coefficient. The dashed line represents the normalized temporal shape of the photon flux in the excitation pulse. Reproduced with permission from AIP Publishing. Copyright AIP Publishing.</div>

International Journal of Optics

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Figure 3

Figure 3: Factors Affecting Terahertz Emission from InGaN Quantum Wells under Ultrafast Excitation 