Science Daily May 7, 2020
An international team of researchers (Switzerland, Germany) used laser light to couple the vibrations of a 100 nanometer thin membrane to the motion of the spin of atoms over a distance of one meter. As a result, each vibration of the membrane sets the spin of the atoms in motion and vice versa. In this laser loop, the properties of the light can be controlled such that no information about the motion of the two systems is lost to the environment, thus ensuring that the quantum mechanical interaction is not disturbed. It is possible to control the laser beam between the systems, which allows generation of different types of interactions that are useful.
The new method might be used in several other systems. The new technique for light-mediated coupling could be used for creating quantum networks for information processing and simulations…read more. TECHNCAL ARTICLE