Fieldoscopy at the Quantum Limit
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
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| _version_ | 1866910913545633792 |
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| author | Zimin, Dmitry A. Ashoka, Arjun Reiter, Florentin Rao, Akshay |
| author_facet | Zimin, Dmitry A. Ashoka, Arjun Reiter, Florentin Rao, Akshay |
| contents | We demonstrate a novel concept for measuring time-varying electric field transients of petahertz-scale photons down to a single-photon regime. We observe a clear transition from classical to quantum nature of light that agrees with our Monte Carlo model. We reach unprecedented yoctojoule-level sensitivity and a dynamic range exceeding 90 decibels. We utilize this capability to measure time-dependent intrapulse light coherence - a regime inaccessible to conventional, time-averaged spectroscopy. This opens new avenues for quantum information, cryptography, and quantum light-matter interactions on sub-cycle time scales with attosecond precision. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_13121 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Fieldoscopy at the Quantum Limit Zimin, Dmitry A. Ashoka, Arjun Reiter, Florentin Rao, Akshay Quantum Physics Optics We demonstrate a novel concept for measuring time-varying electric field transients of petahertz-scale photons down to a single-photon regime. We observe a clear transition from classical to quantum nature of light that agrees with our Monte Carlo model. We reach unprecedented yoctojoule-level sensitivity and a dynamic range exceeding 90 decibels. We utilize this capability to measure time-dependent intrapulse light coherence - a regime inaccessible to conventional, time-averaged spectroscopy. This opens new avenues for quantum information, cryptography, and quantum light-matter interactions on sub-cycle time scales with attosecond precision. |
| title | Fieldoscopy at the Quantum Limit |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2504.13121 |