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Quantum-Enhanced Two-Photon Spectroscopy Using Two-mode Squeezed Light

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posted on 2023-11-30, 21:17 authored by Nikunjkumar Prajapati, Ziqi Niu, Irina Novikova
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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    physics.atom-ph (arXiv)physics.optics (arXiv)quant-ph (arXiv)

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