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Stimulator-multiplexing framework of microwave-infrared compatible reconfigurable metasurface integrated with LED
Yuxi Li1,2, Ruichao Zhu1,2, Sai Sui1,2
1AeroSpace MetaMaterials Laboratory of Suzhou National Laboratory, Air Force Engineering University, Xi'an, 710038, China.
Nanophotonics (Berlin, Germany)
|April 11, 2025
Summary
This study introduces a novel reconfigurable metasurface compatible with both microwave and infrared bands. It utilizes a single meta-atom structure with an integrated LED array for versatile wave manipulation.
Area of Science:
- Metamaterials and Nanophotonics
- Electromagnetic Wave Manipulation
- Optoelectronics
Background:
- Metasurfaces offer precise control over electromagnetic waves due to subwavelength structures.
- Current reconfigurable metasurfaces are typically limited to single-band operation.
- Expanding metasurface functionality to multiple frequency bands is crucial for advanced applications.
Purpose of the Study:
- To propose a novel stimulator-multiplexing framework for a reconfigurable metasurface operating in both microwave and infrared bands.
- To demonstrate a single meta-atom design capable of independent control in two distinct spectral regions.
- To integrate light-emitting diode (LED) arrays for dynamic control and dual-band functionality.
Main Methods:
- Embedding photoresistors within meta-atoms to act as active tunable elements.
- Utilizing an LED array to control the photoresistor's resistance via luminous intensity.
- Designing a metasurface structure that functions as both a microwave controller and an infrared pixel.
- Implementing a stimulator-multiplexing approach for simultaneous microwave and infrared reconfigurability.
Main Results:
- Demonstrated a single meta-atom structure capable of reconfigurable control in both microwave and infrared spectra.
- The LED array successfully modulated the photoresistor's resistance, enabling tunable metasurface properties.
- The proposed framework allows for independent manipulation of electromagnetic waves across disparate frequency bands using a unified design.
Conclusions:
- The developed stimulator-multiplexing framework significantly advances metasurface design by enabling dual-band reconfigurability.
- This integrated microwave-infrared metasurface holds substantial promise for applications in information transmission and adaptive intelligent perception.
- The unified meta-atom design simplifies fabrication and enhances the versatility of reconfigurable metasurfaces.
