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| Autores principales: | , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2023
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2307.07371 |
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| _version_ | 1866914746933968896 |
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| author | Lafler, Randy Eickhoff, Mark L. Newey, Scott C. Gonzalez, Yamil Nieves Stoltenburg, Kurt E. Camacho, J. Frank Harris, Mark A. Oesch, Denis W. Lewis, Adrian J. Lanning, R. Nicholas |
| author_facet | Lafler, Randy Eickhoff, Mark L. Newey, Scott C. Gonzalez, Yamil Nieves Stoltenburg, Kurt E. Camacho, J. Frank Harris, Mark A. Oesch, Denis W. Lewis, Adrian J. Lanning, R. Nicholas |
| contents | High-precision remote clock synchronization is crucial for many classical and quantum network applications. Evaluating options for space-Earth links, we find that traditional solutions may not produce the desired synchronization for low Earth orbits and unnecessarily complicate quantum-networking architectures. Demonstrating an alternative, we use commercial off-the-shelf quantum-photon sources and detection equipment to synchronize two remote clocks across our freespace testbed utilizing a method called two-way quantum time transfer (QTT). We reach picosecond-scale timing precision under very lossy and noisy channel conditions representative of daytime space-Earth links and software-emulated satellite motion. This work demonstrates how QTT is potentially relevant for daytime space-Earth quantum networking and/or providing high-precision timing in GPS-denied environments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2307_07371 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Two-Way Quantum Time Transfer: A Method for Daytime Space-Earth Links Lafler, Randy Eickhoff, Mark L. Newey, Scott C. Gonzalez, Yamil Nieves Stoltenburg, Kurt E. Camacho, J. Frank Harris, Mark A. Oesch, Denis W. Lewis, Adrian J. Lanning, R. Nicholas Quantum Physics High-precision remote clock synchronization is crucial for many classical and quantum network applications. Evaluating options for space-Earth links, we find that traditional solutions may not produce the desired synchronization for low Earth orbits and unnecessarily complicate quantum-networking architectures. Demonstrating an alternative, we use commercial off-the-shelf quantum-photon sources and detection equipment to synchronize two remote clocks across our freespace testbed utilizing a method called two-way quantum time transfer (QTT). We reach picosecond-scale timing precision under very lossy and noisy channel conditions representative of daytime space-Earth links and software-emulated satellite motion. This work demonstrates how QTT is potentially relevant for daytime space-Earth quantum networking and/or providing high-precision timing in GPS-denied environments. |
| title | Two-Way Quantum Time Transfer: A Method for Daytime Space-Earth Links |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2307.07371 |