Tripartite Entanglement Generation in Atom-Coupled Dual Microresonators System
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| Format: | Preprint |
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2025
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| _version_ | 1866913163245518848 |
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| author | Mandal, Abhishek Ghosh, Joy Brundavanam, Maruthi Manoj Varshney, Shailendra K |
| author_facet | Mandal, Abhishek Ghosh, Joy Brundavanam, Maruthi Manoj Varshney, Shailendra K |
| contents | In this work, we investigate the emergence and control of genuine tripartite entanglement in a hybrid cavity quantum electrodynamics architecture consisting of two linearly coupled single mode resonators, one of which interacts coherently with a two level atom. An analytical framework is developed in a weak driving regime, where the system dynamically supports a delocalized hybrid excitation shared by the two photonic modes and the atomic degree of freedom. Tripartite concurrence fill has been used to characterize and identify parameter regimes of maximal multipartite quantum correlation that can be generated in this model. Additionally, we demonstrate how dissipative rates and detuning asymmetries govern the conversion of bipartite entanglement into a genuinely tripartite state, establishing a controllable transition from localized Jaynes Cummings correlations to delocalized photonic atomic entanglement networks. These findings outline a clear route to engineering steady state multipartite quantum resources in coupled cavity QED platforms, with direct relevance to quantum networking, distributed quantum information processing, and photonic state routing in scalable quantum architectures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_16351 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Tripartite Entanglement Generation in Atom-Coupled Dual Microresonators System Mandal, Abhishek Ghosh, Joy Brundavanam, Maruthi Manoj Varshney, Shailendra K Quantum Physics In this work, we investigate the emergence and control of genuine tripartite entanglement in a hybrid cavity quantum electrodynamics architecture consisting of two linearly coupled single mode resonators, one of which interacts coherently with a two level atom. An analytical framework is developed in a weak driving regime, where the system dynamically supports a delocalized hybrid excitation shared by the two photonic modes and the atomic degree of freedom. Tripartite concurrence fill has been used to characterize and identify parameter regimes of maximal multipartite quantum correlation that can be generated in this model. Additionally, we demonstrate how dissipative rates and detuning asymmetries govern the conversion of bipartite entanglement into a genuinely tripartite state, establishing a controllable transition from localized Jaynes Cummings correlations to delocalized photonic atomic entanglement networks. These findings outline a clear route to engineering steady state multipartite quantum resources in coupled cavity QED platforms, with direct relevance to quantum networking, distributed quantum information processing, and photonic state routing in scalable quantum architectures. |
| title | Tripartite Entanglement Generation in Atom-Coupled Dual Microresonators System |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2511.16351 |