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| 001 | 627009 | ||
| 005 | 20251218212311.0 | ||
| 024 | 7 | _ | |a Ulanov:2025zlh |2 INSPIRETeX |
| 024 | 7 | _ | |a inspire:2894000 |2 inspire |
| 024 | 7 | _ | |a arXiv:2502.17337 |2 arXiv |
| 024 | 7 | _ | |a 10.3204/PUBDB-2025-01534 |2 datacite_doi |
| 037 | _ | _ | |a PUBDB-2025-01534 |
| 041 | _ | _ | |a English |
| 088 | _ | _ | |a arXiv:2502.17337 |2 arXiv |
| 100 | 1 | _ | |a Ulanov, Alexander |0 P:(DE-H253)PIP1101456 |b 0 |e Corresponding author |u desy |
| 245 | _ | _ | |a Quadrature squeezing in a nanophotonic microresonator |
| 260 | _ | _ | |c 2025 |
| 336 | 7 | _ | |a Preprint |b preprint |m preprint |0 PUB:(DE-HGF)25 |s 1766066963_1297603 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a WORKING_PAPER |2 ORCID |
| 336 | 7 | _ | |a Electronic Article |0 28 |2 EndNote |
| 336 | 7 | _ | |a preprint |2 DRIVER |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a Output Types/Working Paper |2 DataCite |
| 500 | _ | _ | |a 9 pages, 3 figures |
| 520 | _ | _ | |a Squeezed states of light are essential for emerging quantum technology in metrology and information processing. Chip-integrated photonics offers a route to scalable and efficient squeezed light generation, however, parasitic nonlinear processes and optical losses remain significant challenges. Here, we demonstrate single-mode quadrature squeezing in a photonic crystal microresonator via degenerate dual-pump spontaneous four-wave mixing. Implemented in a scalable, low-loss silicon-nitride photonic-chip platform, the microresonator features a tailored nano-corrugation that modifies its resonances to suppress parasitic nonlinear processes. In this way, we achieve an estimated 7.8 dB of on-chip squeezing in the bus waveguide, with potential for further improvement. These results open a promising pathway toward integrated squeezed light sources for quantum-enhanced interferometry, Gaussian boson sampling, coherent Ising machines, and universal quantum computing. |
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| 700 | 1 | _ | |a Ruhnke, Bastian |0 P:(DE-H253)PIP1094526 |b 1 |u desy |
| 700 | 1 | _ | |a Wildi, Thibault |0 P:(DE-H253)PIP1094154 |b 2 |u desy |
| 700 | 1 | _ | |a Herr, Tobias |0 P:(DE-H253)PIP1092814 |b 3 |e Corresponding author |u desy |
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| 856 | 4 | _ | |u https://bib-pubdb1.desy.de/record/627009/files/internal_review.pdf |
| 856 | 4 | _ | |y OpenAccess |u https://bib-pubdb1.desy.de/record/627009/files/2502.17337v1.pdf |
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