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Conferences > CLEO_SI > 2022 > SS2C > SS2C.5

Active Spintronic-metasurface Terahertz Emitters with Tunable Chirality

Shunjia Wang, Changqin Liu, Sheng Zhang, Qingnan Cai, Peng Wang, Chuanshan Tian, Lei Zhou, Yizheng Wu, and Zhensheng Tao

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Abstract

In this work, we propose a novel spintronic-metasurface terahertz emitter for the generation and manipulation of coherent broadband terahertz waves. The ellipticity of the chiral terahertz waves can reach >0.75 over the entire 1-5 THz broadband and the polarization state can be easily controlled by an external magnetic field.

© 2022 The Author(s)

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