Scalable, multi-functional device enables solid-state color centers, for use in larger, more complex quantum computers/ networks

https://phys.org/news/2024-09-scalable-multi-functional-device-lays.html

"photon-spin interface as qubit nodes, storing/ processing quantum information... point defects absorbing/ emitting light at specific wavelengths, optically timely addressable, finely tunable (through integrated microwave lines) optical transition frequencies/ coherent spin... scalable, cryo-integrated system-on-chip containing tin vacancy color-centers whose optical emission coupled to diamond nanowaveguides... control over multiple qubit nodes coupled to independent optical excitation/ collection channels"