Researchers have made a breakthrough in THz frequency conversion using graphene, opening new possibilities for ultra-fast ...

could also be applied to electromagnetic waves. The basis of this one-way street for sound waves are self-oscillations, in which a dynamical system periodically repeats its behavior. "I've ...

THz waves, located in the far-infrared region of the electromagnetic spectrum ... of upconverting electromagnetic signals to higher oscillation frequencies, effectively bridging the gap between ...

and a team of researchers have paved the way for developing devices capable of upconverting electromagnetic signals to higher oscillation frequencies, effectively bridging the gap between GHz ...