Abstract

Keyword Polarization arbitrary manipulated terahertz sources can promote many disruptive technologies and enable enormous applications but face a severe shortage. In article number 2000099, Xiaojun Wu, Tianxiao Nie, and co-workers demonstrate a highly efficient generation and arbitrary manipulation of chiral terahertz waves in topological insulator (Bi2Te3)-iron (Fe) heterostructures through delicately engineering linear photogalvanic effect and spin-to-charge conversion effect induced by femtosecond laser pulses for the first time.

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