Demonstrates an electrostatically tunable device that performs multiple logic functions in terahertz range, suggesting a new method for compact optical computing.
Key Points
To develop a terahertz metamaterial device capable of executing parallel opto-logic functions using electrostatic tuning.
Designed a terahertz metamaterial on a silicon substrate with T-shaped structures.
Implemented cantilevers that can bend with controlled DC bias voltage.
Calibrated curvature and mapped displacement against bias voltage to determine operational parameters.
Realized nine different logic gates in the 0.655–0.785 THz band using fixed voltage states.
Achieved tuning of resonances through varying bias on cantilevers.
Enabled four fixed bias states, creating a structured electrical encoding process.
Facilitated parallel logic operations across different spectral channels, enhancing computational efficiency.