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Updated: Jun 27, 2026
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Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
Published on: February 4, 2018
Electrically Tunable Meta-Waveplate Enabled by Sb2Se3-Heterogeneously Integrated Piezoelectric MEMS Mirror
Jianing Li1, Rujun Zhou1,2, Ji Wang1,2
1College of Physics and Electronic Information Engineering, Zhejiang Normal University, Jinhua 321004, China.
Micromachines
|June 26, 2026
Summary
This study presents a tunable meta-waveplate using phase-change materials and MEMS mirrors. This adaptable metasurface dynamically switches polarization functionalities for advanced photonics applications.
Area of Science:
- Optics and Photonics
- Materials Science
- Nanotechnology
Background:
- Metasurfaces offer subwavelength light manipulation, but typically have fixed functionalities.
- Existing metasurfaces often lack dynamic tunability, limiting their applications.
Purpose of the Study:
- To demonstrate a high-efficiency tunable meta-waveplate.
- To achieve dynamic switching of polarization functionalities using integrated materials and MEMS technology.
Main Methods:
- Heterogeneous integration of a phase-change antimony selenide (Sb2Se3) layer with a piezoelectric microelectromechanical systems (MEMS) mirror.
- Utilizing the reversible amorphous-crystalline transition of Sb2Se3 and MEMS-enabled nanoscale air gap tuning.
- Developing a nano-quarter-waveplate library for phase control and beam deflection.
Main Results:
- The metasurface dynamically switches between zero-, half-, and quarter-waveplate functionalities at 1550 nm.
- Stable polarization conversion performance was observed across various rotation angles.
- Programmable beam deflection was enabled through extensive phase control.
Conclusions:
- The developed tunable meta-waveplate offers dynamic switching of optical functionalities.
- This adaptable photonic architecture paves the way for novel applications in adaptive optics and beam steering.
