Theory of time-bin entangled photons from quantum emitters
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arXiv
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| Hauptverfasser: | , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866909539196993536 |
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| author | Bracht, Thomas K. Kappe, Florian Cygorek, Moritz Seidelmann, Tim Karli, Yusuf Remesh, Vikas Weihs, Gregor Axt, Vollrath Martin Reiter, Doris E. |
| author_facet | Bracht, Thomas K. Kappe, Florian Cygorek, Moritz Seidelmann, Tim Karli, Yusuf Remesh, Vikas Weihs, Gregor Axt, Vollrath Martin Reiter, Doris E. |
| contents | Entangled photon pairs form the foundation for many applications in the realm of quantum communication. For fiber-optic transfer of entangled photon pairs, time-bin encoding can potentially offer an improved stability compared to polarization encoded qubits. Here, we lay the theoretical foundations to describe the measurement of time-bin entangled photons. We derive multi-time correlation functions of the time-bin encoded photon pairs, corresponding to quantum state tomographic measurements. Our theory can be the starting point to extend the simulations to include all kinds of loss or decoherence effects that apply in a specific quantum system for realistic simulation for time-bin entanglement from quantum emitters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_08348 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Theory of time-bin entangled photons from quantum emitters Bracht, Thomas K. Kappe, Florian Cygorek, Moritz Seidelmann, Tim Karli, Yusuf Remesh, Vikas Weihs, Gregor Axt, Vollrath Martin Reiter, Doris E. Quantum Physics Entangled photon pairs form the foundation for many applications in the realm of quantum communication. For fiber-optic transfer of entangled photon pairs, time-bin encoding can potentially offer an improved stability compared to polarization encoded qubits. Here, we lay the theoretical foundations to describe the measurement of time-bin entangled photons. We derive multi-time correlation functions of the time-bin encoded photon pairs, corresponding to quantum state tomographic measurements. Our theory can be the starting point to extend the simulations to include all kinds of loss or decoherence effects that apply in a specific quantum system for realistic simulation for time-bin entanglement from quantum emitters. |
| title | Theory of time-bin entangled photons from quantum emitters |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2404.08348 |