Data for Four-Photon Subtraction from Picosecond Squeezed Vacuum Demonstrating Wigner Negativity without Loss Correction
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Zenodo
2026
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| author | Endo, Mamoru Nomura, Takefumi Sonoyama, Tatsuki Takahashi, Kazuma Takasu, Sachiko Fukuda, Daiji Kashiwazaki, Takahiro Inoue, Asuka Umeki, Takeshi Nehra, Rajveer Marek, Petr Filip, Radim Takase, Kan Asavanant, Warit Furusawa, Akira |
| author_facet | Endo, Mamoru Nomura, Takefumi Sonoyama, Tatsuki Takahashi, Kazuma Takasu, Sachiko Fukuda, Daiji Kashiwazaki, Takahiro Inoue, Asuka Umeki, Takeshi Nehra, Rajveer Marek, Petr Filip, Radim Takase, Kan Asavanant, Warit Furusawa, Akira |
| contents | <p>Data for generating figures in the paper. </p> <p>plot_wigners.ipynb - code for generating the figures from the data<br>rho_0tap_bootstrap_1000.npy - density matrices without postselection<br>rho_0photon_bootstrap_1000.npy - density matrices for subtracting 0 photons<br>rho_1photon_bootstrap_1000.npy - density matrices for subtracting 1 photon<br>rho_2photon_bootstrap_1000.npy - density matrices for subtracting 2 photons<br>rho_3photon_bootstrap_1000.npy - density matrices for subtracting 3 photons<br>rho_4photon_bootstrap_1000.npy - density matrices for subtracting 4 photons<br>wigners_mean.npy - calculated average Wigner functions for evaluating negativity<br>wigners_std.npy - calculated standard deviation for the average Wigner functions for evaluating negativity</p> <p> </p> <p> </p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_19533547 |
| institution | Zenodo |
| language | |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Data for Four-Photon Subtraction from Picosecond Squeezed Vacuum Demonstrating Wigner Negativity without Loss Correction Endo, Mamoru Nomura, Takefumi Sonoyama, Tatsuki Takahashi, Kazuma Takasu, Sachiko Fukuda, Daiji Kashiwazaki, Takahiro Inoue, Asuka Umeki, Takeshi Nehra, Rajveer Marek, Petr Filip, Radim Takase, Kan Asavanant, Warit Furusawa, Akira <p>Data for generating figures in the paper. </p> <p>plot_wigners.ipynb - code for generating the figures from the data<br>rho_0tap_bootstrap_1000.npy - density matrices without postselection<br>rho_0photon_bootstrap_1000.npy - density matrices for subtracting 0 photons<br>rho_1photon_bootstrap_1000.npy - density matrices for subtracting 1 photon<br>rho_2photon_bootstrap_1000.npy - density matrices for subtracting 2 photons<br>rho_3photon_bootstrap_1000.npy - density matrices for subtracting 3 photons<br>rho_4photon_bootstrap_1000.npy - density matrices for subtracting 4 photons<br>wigners_mean.npy - calculated average Wigner functions for evaluating negativity<br>wigners_std.npy - calculated standard deviation for the average Wigner functions for evaluating negativity</p> <p> </p> <p> </p> |
| title | Data for Four-Photon Subtraction from Picosecond Squeezed Vacuum Demonstrating Wigner Negativity without Loss Correction |
| url | https://doi.org/10.5281/zenodo.19533547 |