[HTML][HTML] Exploiting total internal reflection geometry for efficient optical modulation of terahertz light
Efficient methods to modulate terahertz (THz) light are essential for realizing rapid THz
imaging and communication applications. Here we report a novel THz modulator which
utilizes the evanescent wave in a total internal reflection setup coupled with a conductive
interface to enhance the attenuation efficiency of THz light. This approach makes it possible
to achieve close to 100% modulation with a small interface conductivity of 12 mS. The
frequency dependence of this technique is linked to the optical properties of the materials: a …
imaging and communication applications. Here we report a novel THz modulator which
utilizes the evanescent wave in a total internal reflection setup coupled with a conductive
interface to enhance the attenuation efficiency of THz light. This approach makes it possible
to achieve close to 100% modulation with a small interface conductivity of 12 mS. The
frequency dependence of this technique is linked to the optical properties of the materials: a …
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