Real-time reconfigurable metasurfaces enabling agile terahertz wave front manipulation

Area of Science:

• Electromagnetics
• Materials Science
• Optical Engineering

Background:

• Metasurfaces offer novel ways to manipulate electromagnetic waves.
• Controlling metasurfaces in real-time is crucial for dynamic applications.
• Terahertz (THz) wave applications require precise wave front engineering.

Purpose of the Study:

• To demonstrate real-time controlled programmable metasurfaces.
• To achieve rapid and precise multifunctional Terahertz wave front engineering.
• To explore the potential of one-bit digital coding sequences for metasurface control.

Main Methods:

• Utilizing an array-of-subarrays architecture for metasurface design.
• Implementing one-bit digital coding sequences for real-time control.
• Experimental validation of Terahertz wave manipulation capabilities.

Main Results:

• Successful demonstration of real-time programmable metasurfaces.
• Achieved rapid and precise control over Terahertz wave fronts.
• Showcased multifunctional wave manipulation capabilities through digital coding.

Conclusions:

• Real-time controlled programmable metasurfaces are effective for THz wave front engineering.
• The array-of-subarrays architecture and one-bit coding enable precise and versatile control.
• This technology opens new avenues for dynamic THz applications.