5 papers
Fast, powerful, low-noise optical pumping of an atomic vapor with semiconductor optical amplifiers
Diana Méndez-Avalos, Théo Louzada Meireles, Morgan W. Mitchell +1
We use a atomic vapor, suitable for an optically-pumped magnetometer (OPM) in Earth-field conditions, to study the noise properties of three strategies for generat…
Quantum noise scaling in continuously operating multiparameter sensors
Aleksandra Sierant, Diana Méndez-Avalos, Santiago Tabares Giraldo +1
We experimentally investigate the quantum noise mechanisms that limit continuously operating multiparameter quantum sensors. Using a hybrid rf-dc optically pumped magnetometer, we…
Sequential analysis in a continuous spin-noise quantum sensor
Elisabet Roda-Salichs, Giulio Gasbarri, Antoni Alou +5
Many control and detection applications require real-time analysis of signals from sensors, in order to quickly and accurately act upon events revealed by the sensors. Such signal…
Quantum noise in a squeezed-light-enhanced multiparameter quantum sensor
Aleksandra Sierant, Diana Méndez-Avalos, Santiago Tabares Giraldo +1
We study quantum enhancement of sensitivity using squeezed light in a multi-parameter quantum sensor, the hybrid dc-rf optically pumped magnetometer (hOPM) [Phys. Rev. Applied 21,…
Spin projection noise and the magnetic sensitivity of optically pumped magnetometers
K. Mouloudakis, V. Koutrouli, I. K. Kominis +2
Present protocols for obtaining the ultimate magnetic sensitivity of optically pumped magnetometers (OPMs) utilizing alkali-metal ensembles rely on uncorrelated atoms in stretched…