Quantum computers sound like science fiction but they are very much today’s reality, and IonQ (IONQ) is living proof. Founded in 2015, the company has spent less than a decade shaking up the technology landscape in ways that once seemed unthinkable. In fact, IonQ has raised the bar again. On Sept. 23, IonQ successfully demonstrated the frequency conversion of photons from visible wavelengths used to interface with trapped barium ions into telecom wavelengths on a prototype system. This may sound highly te ...