Intensity correlations in the Wigner representation
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866908508896624640 |
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| author | Najafabadi, Mojdeh S. Sánchez-Soto, Luis L. Huang, Kun. Laurat, Julien. Jeannic, Hanna. Le Leuchs, Gerd. |
| author_facet | Najafabadi, Mojdeh S. Sánchez-Soto, Luis L. Huang, Kun. Laurat, Julien. Jeannic, Hanna. Le Leuchs, Gerd. |
| contents | We derive a compact expression for the second-order correlation function $g^{(2)} (0)$ of a quantum state in terms of its Wigner function, thereby establishing a direct link between $g^{(2)} (0)$ and the state's shape in phase space. We conduct an experiment that simultaneously measures $g^{(2)} (0)$ through direct photocounting and reconstructs the Wigner function via homodyne tomography. The results confirm our theoretical predictions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_12901 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Intensity correlations in the Wigner representation Najafabadi, Mojdeh S. Sánchez-Soto, Luis L. Huang, Kun. Laurat, Julien. Jeannic, Hanna. Le Leuchs, Gerd. Quantum Physics We derive a compact expression for the second-order correlation function $g^{(2)} (0)$ of a quantum state in terms of its Wigner function, thereby establishing a direct link between $g^{(2)} (0)$ and the state's shape in phase space. We conduct an experiment that simultaneously measures $g^{(2)} (0)$ through direct photocounting and reconstructs the Wigner function via homodyne tomography. The results confirm our theoretical predictions. |
| title | Intensity correlations in the Wigner representation |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2407.12901 |