Entanglement, Squeezing and non-Locality in Filtered Two-Mode Squeezed Mixed States
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arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866909587130548224 |
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| author | Agasti, Souvik |
| author_facet | Agasti, Souvik |
| contents | We investigate the entanglement and non-locality between specific spectral components of continuous variable two-mode squeezed mixed states, identifying their limits. These spectral components are selected from output modes using filters commonly employed in optomechanical systems. Both entanglement and non-locality reach their peak when the filters are identical. However, increasing the degree of input squeezing while applying non-identical filters disrupts both entanglement and non-locality, leading to a bell-shaped pattern. Additionally, we provide precise boundaries for entanglement and non-locality. Furthermore, we also evaluate the squeezing of two-mode hybrid quadrature as a measure of entanglement, thereby demonstrating how it remains analogous to logarithmic negativity. Combined with the filter, the population of two-mode squeezed thermal light influences the angle of a maximally squeezed hybrid quadrature. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_09134 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Entanglement, Squeezing and non-Locality in Filtered Two-Mode Squeezed Mixed States Agasti, Souvik Quantum Physics We investigate the entanglement and non-locality between specific spectral components of continuous variable two-mode squeezed mixed states, identifying their limits. These spectral components are selected from output modes using filters commonly employed in optomechanical systems. Both entanglement and non-locality reach their peak when the filters are identical. However, increasing the degree of input squeezing while applying non-identical filters disrupts both entanglement and non-locality, leading to a bell-shaped pattern. Additionally, we provide precise boundaries for entanglement and non-locality. Furthermore, we also evaluate the squeezing of two-mode hybrid quadrature as a measure of entanglement, thereby demonstrating how it remains analogous to logarithmic negativity. Combined with the filter, the population of two-mode squeezed thermal light influences the angle of a maximally squeezed hybrid quadrature. |
| title | Entanglement, Squeezing and non-Locality in Filtered Two-Mode Squeezed Mixed States |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2406.09134 |