Abstract
Spin-selective manipulation of optical waves is widely utilized in various optical techniques and plays a key role in modern nanophotonics. While numerous efficient approaches have been applied in metasurfaces to realize spin-selective manipulation of optical waves, the implementation of giant spin-selective asymmetric transmission remains a challenge. Here, we propose an all-dielectric metasurface to realize giant tri-band spin-selective asymmetric transmission in the near infrared regime. The proposed giant spin-selective asymmetric transmission is attributed to the excitation of overlapping multipolar resonances in the dielectric elliptic cylinders, which can be well manipulated by changing the structure parameters. This research demonstrates the great potential of all-dielectric metasurfaces for spin-selective transmission manipulation, which provide helpful insights and intriguing possibilities for applications in information optics, quantum optics, optical sensing, and imaging.
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