# Terahertz pulses enable ultrafast control of optical properties

Researchers demonstrated a technique using terahertz light to dynamically alter materials' optical properties on ultrafast timescales. The breakthrough, published in Nature, paves the way for faster optical switching and advanced photonic devices.

**Importance:** 4/5

## Sources

### Science
- [Nature](https://www.nature.com/articles/d41586-026-02478-5) — 2026-08-12