Members: Ittai Shalev

Supervisor: Prof. Nir Bar-Gill

Research and development of a combined quantum sensing platform of both nitrogen-vacancy (NV) centers in diamonds and rubidium (Rb) vapor inside a miniaturized cell. This novel platform aims to harness the complementary sensing capabilities of these two systems, as well as enable research into basic quantum and surface processes relevant to the interaction of Rb and NV spins. The system consists of a small, evacuated cell that contains Rb vapor, with a diamond containing NV centers attached to one of the cell's surfaces. We employ optical and microwave excitations to control and sense the quantum properties of the system and its environment. Our goal for this project is to realize a quantum sensor in the form of a co-magnetometer. Both NV centers and Rb vapor are used as magnetic sensors – NV centers can sense a vectorial magnetic field with high spatial resolution, while the Rb vapor can sense a scalar magnetic field with very high field sensitivity. A combination of the two systems with a combined processing mechanism may achieve a new way of magnetic field sensing, as well as stretching the performance of each system while they interact with each other.