Enhanced Gaussian interferometric power, entanglement and Gaussian quantum steering in magnonics system with squeezed light

• URL: http://arxiv.org/abs/2410.18288v1
• Date: Wed, 23 Oct 2024 21:31:44 GMT
• Title: Enhanced Gaussian interferometric power, entanglement and Gaussian quantum steering in magnonics system with squeezed light
• Authors: Noura Chabar, M bark Amghar, Mohamed Amazioug,
• Abstract summary: We propose a scheme to improve quantum correlations between two magnons in a tripartite magnonical system. We investigate the enhancement of QCs via a squeezing parameter and an optical parametric amplifier.
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• Abstract: In this study, we propose a scheme to improve quantum correlations (QCs) between two magnons in a tripartite magnonical system. We use Gaussian interferometric power (GIP) to quantify QCs beyond entanglement. Additionally, Gaussian quantum steering is discussed. We investigate the enhancement of QCs via a squeezing parameter and an optical parametric amplifier (OPA). The Mancini criterion is considered to confirm the presence of shared entanglement between the two magnons. We observed a squeezing of about 7dB for the first magnon. Additionally, the squeezed vacuum field and the OPA improve the generation of genuine tripartite entanglement. We hope that current experimental technology will allow the proposed scheme to be implemented.

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