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Quantum-Enhanced Two-Photon Spectroscopy Using Two-mode Squeezed Light
Published 26 Dec 2020 in physics.atom-ph, physics.optics, and quant-ph | (2012.13745v1)
Abstract: We investigate the prospects of using two-mode intensity squeezed twin-beams, generated in Rb vapor, to improve the sensitivity of spectroscopic measurements by engaging two-photon Raman transitions. As a proof of principle demonstration, we demonstrated the quantum-enhanced measurements of the Rb $5D_{3/2}$ hyperfine structure with reduced requirements for the Raman pump laser power and Rb vapor number density.
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