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Quantum Information Processing

Optomechanically induced transparency in a multi-cavity system subjected to two-level atomic ensemble interference

Gongtao Yu, Guixia Pan

Published Dec 12, 2024• 4 citations
Publisher

Abstract

Abstract We investigate a hybrid multi-cavity optomechanical system with interference from a two-level atomic ensemble. The system is composed of three optical cavities and two nanomechanical resonators. A two-level atomic ensemble is filled into the middle optical cavity. The optical cavity located in the middle has two interaction forces with the two outermost optical cavities. What is more, the system also includes various types of interaction relations, which are the couplings of optical cavities with mechanical resonators and the coupling of optical cavity with two-level atomic ensemble. In order to study the optical response of optomechanically induced transparency, we modulate the interaction intensity within the system to obtain different eletromagnetic induced transparent phenomena. It has been found that under the influence of different parameters, the number of transparent windows and the width of transparent windows increase with an increase in the coupling of the optical cavities with atomic ensemble. In addition, as the system parameters change, the transparency points also move. The position of the two outermost transparent points becomes farther apart when the coupling of optical cavity with mechanical resonators increases. Our approach provides a great flexibility for controlling electromagnetically induced transparency. It will have the great potential applications for quantum information processing.

DOI
10.1007/s11128-024-04608-2

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