Quantum-enabled complete RF-polarimetry with an optically-wired atomic sensor
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866916012104876032 |
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| author | Chilcott, Matthew Stokholm, Laurits N. Cloutman, Matthew Otto, J. Susanne Deb, Amita B. Kjærgaard, Niels |
| author_facet | Chilcott, Matthew Stokholm, Laurits N. Cloutman, Matthew Otto, J. Susanne Deb, Amita B. Kjærgaard, Niels |
| contents | Rydberg atomic electrometry leverages the extreme sensitivity of highly excited atoms for calibration-free electric field measurements. The technique uses a non-metallic vapor cell to link properties of an RF field to a spectroscopic readout in the optical domain. Most demonstrations have so far focused on detecting linearly-polarized fields, for which the induced splitting of dressed atomic levels is rotationally invariant. Here we report on Rydberg atomic measurements of RF fields in a general state of polarization (SOP) which we map onto the Poincaré sphere through spectroscopic fingerprints. For a Stokes vector circumnavigating a Poincaré sphere meridian, we witness a continuous transformation of the atomic eigenenergy spectrum. Because the relative positions of eigenenergies are locked in place by quantization of angular momentum, the framework is universal and calibration free. We provide a specific demonstration in rubidium, which generalizes to all systems with a single valence electron. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_14529 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Quantum-enabled complete RF-polarimetry with an optically-wired atomic sensor Chilcott, Matthew Stokholm, Laurits N. Cloutman, Matthew Otto, J. Susanne Deb, Amita B. Kjærgaard, Niels Quantum Physics Atomic Physics Rydberg atomic electrometry leverages the extreme sensitivity of highly excited atoms for calibration-free electric field measurements. The technique uses a non-metallic vapor cell to link properties of an RF field to a spectroscopic readout in the optical domain. Most demonstrations have so far focused on detecting linearly-polarized fields, for which the induced splitting of dressed atomic levels is rotationally invariant. Here we report on Rydberg atomic measurements of RF fields in a general state of polarization (SOP) which we map onto the Poincaré sphere through spectroscopic fingerprints. For a Stokes vector circumnavigating a Poincaré sphere meridian, we witness a continuous transformation of the atomic eigenenergy spectrum. Because the relative positions of eigenenergies are locked in place by quantization of angular momentum, the framework is universal and calibration free. We provide a specific demonstration in rubidium, which generalizes to all systems with a single valence electron. |
| title | Quantum-enabled complete RF-polarimetry with an optically-wired atomic sensor |
| topic | Quantum Physics Atomic Physics |
| url | https://arxiv.org/abs/2605.14529 |