2023
DOI: 10.1021/acsomega.3c08355
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Ultrafast All-Optical Switching Modulation of Terahertz Polarization Conversion Metasurfaces Based on Silicon

Qiangguo Zhou,
Qinxi Qiu,
Tuntan Wu
et al.

Abstract: With the development of ultrafast optics, all-optical control of terahertz wave modulation based on semiconductors has become an important technology of terahertz wave regulation. In this article, an ultrawideband terahertz linear polarization converter consisting of a double-layered metasurface is first proposed. The polarization conversion ratio of the device is ∼ 100% at 0.2–2.2 THz, and the transmission of copolarization approaches zero in the full band, which demonstrates the ability of high-purity output… Show more

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Cited by 9 publications
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