Journal
PHYSICAL REVIEW A
Volume 104, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.104.063704
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Funding
- Sao Paulo Research Foundation (FAPESP) [2019/11999-5, 2017/13250-6]
- National Council for Scientific and Technological Development (CNPq) [307077/2018-7, 141247/2018-5]
- SNF [IZBRZ2-186312/1]
- Brazilian National Institute of Science and Technology for Quantum Information [465469/2014-0]
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This study presents a microscopic model to describe the phenomenon of electromagnetically induced transparency in the multiple-scattering regime, exploring the effects of light-mediated long-range interactions on EIT and the impact of near-field interactions on STIRAP.
Here we present a microscopic model that describes the electromagnetically induced transparency (EIT) phenomenon in the multiple-scattering regime. We consider an ensemble of cold three-level atoms, in a A configuration, scattering a probe and a control field to the vacuum modes of the electromagnetic field. By first considering a scalar description of the scattering, we show that the light-mediated long-range interactions that emerge between the dipoles narrow the EIT transparency window for increasing densities and sample sizes. For a vectorial description, we demonstrate that near-field interacting terms can critically affect the atomic population transfer in the stimulated Raman adiabatic passage (STIRAP). This result points out that standard STIRAP-based quantum memories in cold-atomic ensembles would not reach high enough efficiencies for quantum information processing applications even in dilute regimes.
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