Spin-Locking Spectroscopy of Harmonic Motion
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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_ | 1866918157848936448 |
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| author | Kranzl, Florian Rospars, Adria Franke, Johannes Joshi, Manoj K. Blatt, Rainer Roos, Christian F. |
| author_facet | Kranzl, Florian Rospars, Adria Franke, Johannes Joshi, Manoj K. Blatt, Rainer Roos, Christian F. |
| contents | Characterization of noise of a quantum harmonic oscillator is important for many experimental platforms. We experimentally demonstrate motional spin-locking spectroscopy, a method that allows us to directly measure the motional noise spectrum of a quantum harmonic oscillator. We measure motional noise of a single trapped ion in a frequency range from 200 Hz to 5 kHz with a power spectral density that resolves noise over two orders of magnitude. Coherent modulations in the oscillation frequency of the oscillator can be probed with a relative frequency sensitivity at the $10^{-6}$ level. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_08732 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spin-Locking Spectroscopy of Harmonic Motion Kranzl, Florian Rospars, Adria Franke, Johannes Joshi, Manoj K. Blatt, Rainer Roos, Christian F. Quantum Physics Characterization of noise of a quantum harmonic oscillator is important for many experimental platforms. We experimentally demonstrate motional spin-locking spectroscopy, a method that allows us to directly measure the motional noise spectrum of a quantum harmonic oscillator. We measure motional noise of a single trapped ion in a frequency range from 200 Hz to 5 kHz with a power spectral density that resolves noise over two orders of magnitude. Coherent modulations in the oscillation frequency of the oscillator can be probed with a relative frequency sensitivity at the $10^{-6}$ level. |
| title | Spin-Locking Spectroscopy of Harmonic Motion |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2510.08732 |