Towards broadband AFC photon echo quantum memory
S.A.Moiseev, N.M.Arslanov

TL;DR
This paper explores the spectral design of atomic frequency comb structures to optimize broadband photon echo quantum memory, focusing on suppressing negative dispersion effects and enhancing efficiency.
Contribution
It provides a detailed analysis of spectral design parameters affecting AFC efficiency and proposes methods for implementing highly efficient broadband AFC protocols.
Findings
Spectral design significantly influences AFC quantum memory efficiency.
Optimized AFC structures can suppress negative dispersion effects.
Constructed efficiency maps guide experimental implementations.
Abstract
We investigated the optimal spectral design of periodic structure of narrow lines (AFC-structure) within the inhomogeneously broadened atomic transition which are created for the implementation of broadband AFC photon echo quantum memory.The influence of the spectral design on the suppression of negative dispersion effects in the AFC-echo retrieval was studied for different spectroscopic parameters of atomic media. The maps of the assigned spectral quantum efficiency have been constructed for the created AFC-structures characterized by different spectral design, finesse and optical depth. Based on the performed analysis, we discuss the possible ways for experimental implementation of highly efficient broadband AFC-protocol.
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Taxonomy
TopicsQuantum optics and atomic interactions · Optical and Acousto-Optic Technologies · Atomic and Subatomic Physics Research
