Spectrum analysis with parametrically modulated transmon qubits
Fuente:
arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Acceso en línea: | |
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| _version_ | 1866929747112493056 |
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| author | Gavrielov, Nir Oviedo-Casado, Santiago Retzker, Alex |
| author_facet | Gavrielov, Nir Oviedo-Casado, Santiago Retzker, Alex |
| contents | Exploring the noise spectrum impacting a qubit and extending its coherence duration are fundamental components of quantum technologies. In this study, we introduce parametric spectroscopy, a method that merges parametric modulation of a qubit's energy gap with dynamical decoupling sequences. The parametric modulation provides high sensitivity to extensive regions of the noise spectrum, while dynamical decoupling reduces the effect of driving noise. Our theoretical study shows that parametric spectroscopy enables access to the difficult high-frequency domain of the flux spectrum in transmons. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_05258 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spectrum analysis with parametrically modulated transmon qubits Gavrielov, Nir Oviedo-Casado, Santiago Retzker, Alex Quantum Physics Exploring the noise spectrum impacting a qubit and extending its coherence duration are fundamental components of quantum technologies. In this study, we introduce parametric spectroscopy, a method that merges parametric modulation of a qubit's energy gap with dynamical decoupling sequences. The parametric modulation provides high sensitivity to extensive regions of the noise spectrum, while dynamical decoupling reduces the effect of driving noise. Our theoretical study shows that parametric spectroscopy enables access to the difficult high-frequency domain of the flux spectrum in transmons. |
| title | Spectrum analysis with parametrically modulated transmon qubits |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2503.05258 |