Propagation of Squeezed Vacuum under Electromagnetically Induced Transparency
Eden Figueroa, Mirko Lobino, Dmitry Korystov, Juergen Appel, A. I., Lvovsky
TL;DR
This paper investigates how squeezed vacuum states are transmitted through rubidium vapor under electromagnetically induced transparency, combining experimental measurements and theoretical modeling to understand quantum state preservation.
Contribution
It provides a comprehensive experimental and theoretical analysis of squeezed vacuum propagation through EIT media, including quantum state reconstruction.
Findings
High-precision modeling of squeezing spectrum degradation
Successful quantum state reconstruction after transmission
Demonstration of quantum state preservation under EIT conditions
Abstract
We experimentally and theoretically analyze the transmission of continuous-wave and pulsed squeezed vacuum through rubidium vapor under the conditions of electromagnetically induced transparency. Frequency- and time-domain homodyne tomography is used to measure the quadrature noise and reconstruct the quantum states of the transmitted light. A simple theoretical model explains the spectrum and degradation of the transmitted squeezing with high precision.
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