<p>➀ ETH Zürich researchers have developed an ultra-wideband MHz to THz plasmonic EO modulator that achieves terahertz data transmission; </p><p>➁ The modulator can convert data signals with frequencies above 1 Terahertz efficiently into optical signals for transmission through fiber optic networks; </p><p>➂ The technology could have applications in 6G mobile networks, medical imaging, material analysis, and high-performance measurement technology.</p>