According to the aforementioned TDS results, the extinction ratio of the heterostructure shows an increasing trend within the 0.5–5 THz range, while it gradually decreases above 5 THz.
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Interactions of Terahertz Photons with Phonons of Two-Dimensional van der Waals MoS<sub>2</sub>/WSe<sub>2</sub>/MoS<sub>2</sub> Heterostructures and Thermal Responses.
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