Closing the gap: On the road to terahertz electronics: Asymmetric plasmonic antennas deliver femtosecond pulses for fast optoelectronics

Scientists have succeeded for the first time in generating ultrashort electric pulses on a chip using metal antennas only a few nanometers in size, then running the signals a few millimeters above the surface and reading them in again a controlled manner. The technology enables the development of new, powerful terahertz components.