Highly Sensitive Measurement of a Megahertz rf Electric Field with a Rydberg-Atom Sensor
Highly Sensitive Measurement of a Megahertz rf Electric Field with a Rydberg-Atom Sensor
Rydberg atoms have great potential in electric field measurement and have an advantage with a large frequency bandwidth from the kHz to the THz scale. However, the sensitivity for measuring a weak MHz electric field signal is limited by the spectroscopic resolution, because the weak electric field induces only a …