Miniaturized metamaterial terahertz polarization detector
Abstract
We propose a metamaterial strategy for achieving compact, fast terahertz linear polarization and intensity detection. The device consists of three metamaterial elements arranged in a triple rotational symmetry, with an overall size on the same order of magnitude as the operating wavelength. With terahertz excitation, the local dynamic fields generated by the metamaterial elements couple and produce a Lorentz force, which drives the unidirectional motion of carriers for photoelectric detection of intensity. Meanwhile, the polarization detection can be achieved based on the rotational arrangement of three identical metamaterial elements with their polarization-dependent voltage output. This method can be easily extended across multiple frequency bands, offering a new mechanism for developing miniaturized polarization imaging and on-chip photonic devices.
Article Details
Journal Info
Journal of Applied Physics
American Institute of Physics
Authors (9)
Shiqiang Zhao
State Key Laboratory of New Ceramic Materials, School of Materials Science and Engineering, Tsinghua University , Beijing 100084,
Yongzheng Wen
State Key Laboratory of New Ceramic Materials, School of Materials Science and Engineering, Tsinghua University , Beijing 100084,
Chen Wang
Kaixin Yu
Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry Sichuan University Chengdu 610064 China
Feilou Wang
State Key Laboratory of New Ceramic Materials, School of Materials Science and Engineering, Tsinghua University , Beijing 100084,
Weijia Luo
State Key Laboratory of New Ceramic Materials, School of Materials Science and Engineering, Tsinghua University , Beijing 100084,
Peizheng Cao
State Key Laboratory of New Ceramic Materials, School of Materials Science and Engineering, Tsinghua University , Beijing 100084,
Jingbo Sun
Ji Zhou