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Passivation;Silicon;Terahertz radiation;Hafnium oxide;Charge carrier lifetime;Substrates;Voltage measurement;Fabrication;Dielectrics;Optical switches;Lifetime;silicon;single-pixel imaging;surface passivation;terahertz (THz) photomodulation

Electrically Tunable Si-Based THz Photomodulator Using Dielectric/Polymer Surface Gating
Silicon-based terahertz (THz) photomodulators suffer from a modulation speed limited by the lifetime of the charge carriers …
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