Narrow Optical Transitions in Erbium-Implanted Silicon Waveguides
Narrow Optical Transitions in Erbium-Implanted Silicon Waveguides
The realization of a scalable architecture for quantum information processing is a major challenge for quantum science. A promising approach is based on emitters in nanostructures that are coupled by light. Here, we show that erbium dopants can be reproducibly integrated at well-defined lattice sites by implantation into pure silicon. …