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| Autori principali: | , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2508.15352 |
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| _version_ | 1866915454899978240 |
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| author | Kim, Sang Kyu Casalengua, Eduardo Zubizarreta Sim, Yeji Sbresny, Friedrich Calcagno, Carolin Riedl, Hubert Finley, Jonathan J. del Valle, Elena Antón-Solanas, Carlos Müller, Kai Hanschke, Lukas |
| author_facet | Kim, Sang Kyu Casalengua, Eduardo Zubizarreta Sim, Yeji Sbresny, Friedrich Calcagno, Carolin Riedl, Hubert Finley, Jonathan J. del Valle, Elena Antón-Solanas, Carlos Müller, Kai Hanschke, Lukas |
| contents | Deterministically tailoring optical Fock states beyond the single-photon level is crucial for boson sampling, loss-tolerant photonic qubits, and quantum-enhanced sensing, however has yet remained elusive. Here, we report an all-linear-optical protocol that converts a resonantly driven single-photon emitter into a deterministic generator of vacuum--single-photon--two-photon states. A phase-stabilized, path-unbalanced Mach-Zehnder interferometer combines vacuum--single-photon interference and Hong-Ou-Mandel effect, providing two knobs to shape photon-number probabilities. By tuning these knobs, we observe a dynamic transition from antibunching to strong bunching in correlation measurements. A fully quantum-mechanical, discrete time-bin model maps these results onto the tailored photon statistics. The same framework predicts that two indistinguishable emitters would extend the accessible space to deterministic NOON states and single-photon filtering. This protocol relying on linear optics and available single-photon sources provides a scalable, chip-compatible, and platform-independent route to on-demand and deterministic few-photon resources for quantum metrology, photonic computing, as well as long-distance quantum networks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_15352 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Deterministic Control of Photon-Number Probabilities via Phase-Controlled Quantum Interference Kim, Sang Kyu Casalengua, Eduardo Zubizarreta Sim, Yeji Sbresny, Friedrich Calcagno, Carolin Riedl, Hubert Finley, Jonathan J. del Valle, Elena Antón-Solanas, Carlos Müller, Kai Hanschke, Lukas Quantum Physics Mesoscale and Nanoscale Physics Deterministically tailoring optical Fock states beyond the single-photon level is crucial for boson sampling, loss-tolerant photonic qubits, and quantum-enhanced sensing, however has yet remained elusive. Here, we report an all-linear-optical protocol that converts a resonantly driven single-photon emitter into a deterministic generator of vacuum--single-photon--two-photon states. A phase-stabilized, path-unbalanced Mach-Zehnder interferometer combines vacuum--single-photon interference and Hong-Ou-Mandel effect, providing two knobs to shape photon-number probabilities. By tuning these knobs, we observe a dynamic transition from antibunching to strong bunching in correlation measurements. A fully quantum-mechanical, discrete time-bin model maps these results onto the tailored photon statistics. The same framework predicts that two indistinguishable emitters would extend the accessible space to deterministic NOON states and single-photon filtering. This protocol relying on linear optics and available single-photon sources provides a scalable, chip-compatible, and platform-independent route to on-demand and deterministic few-photon resources for quantum metrology, photonic computing, as well as long-distance quantum networks. |
| title | Deterministic Control of Photon-Number Probabilities via Phase-Controlled Quantum Interference |
| topic | Quantum Physics Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2508.15352 |