Some qubits are Doppler cooled, causing it to fluoresce. In these case you can observe the emitted light using a special camera. Check this out: https://petapix

Some qubits are Doppler cooled, causing it to fluoresce. In these case you can observe the emitted light using a special camera. Check this out: https://petapixel.com/2018/02/12/picture-single-atom-wins-science-photo-contest/ https://petapixel.com/2018/02/12/picture-single-atom-wins-sc...