Reconfigurable metasurface for multiple functions: magnitude, polarization and phase modulation

Area of Science:

• Metamaterials and Nanophotonics
• Electromagnetics and Optics

Background:

• Metasurfaces offer advanced control over electromagnetic waves.
• Developing multifunctional and reconfigurable metasurfaces remains a key challenge.

Purpose of the Study:

• To design and investigate a novel reconfigurable metasurface for integrated absorption and polarization rotation.
• To demonstrate a flexible strategy for achieving multiple functionalities through lattice arrangement.

Main Methods:

• Proposed a polarization conversion absorber (PCA) unit lattice.
• Arranged PCA lattices in a 6x6 configuration to achieve desired functions.
• Utilized simulations and experimental measurements for validation.

Main Results:

• The proposed metasurface integrates absorption and polarization rotation functionalities.
• Demonstrated independent control over magnitude, polarization, and phase modulation.
• Verified the effectiveness of the lattice arrangement principle for reconfigurability.

Conclusions:

• The presented method offers a simple, flexible, and effective strategy for designing multifunctional metasurfaces.
• The reconfigurable nature of the metasurface allows for diverse electromagnetic wave manipulation.
• This approach paves the way for advanced optical and electromagnetic devices.