Observation of Electromagnetically Induced Transparency for a Squeezed Vacuum with the Time Domain Method
M. Arikawa, K. Honda, D. Akamatsu, Y. Yokoi, K. Akiba, S. Nagatsuka,, A. Furusawa, and M. Kozuma
TL;DR
This paper demonstrates electromagnetically induced transparency for a squeezed vacuum in cold rubidium atoms, enabling lossless transmission of quantum states monitored via time-domain homodyne detection.
Contribution
It introduces a novel experimental setup combining EIT with squeezed vacuum and time-domain homodyne detection for quantum state transmission.
Findings
Successful observation of EIT for squeezed vacuum
Lossless transmission of squeezed states through cold atoms
Effective monitoring using time-domain homodyne method
Abstract
A probe light in a squeezed vacuum state was injected into cold 87 $Rb atoms with an intense control light in a coherent state. A sub-MHz window was created due to electromagnetically induced transparency, and the incident squeezed vacuum could pass through the cold atoms without optical loss, as was successfully monitored using a time-domain homodyne method.
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