Interpreting S-Parameter Spectra in Coupled Resonant Systems: The Role of Probing Configurations
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arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866918025376038912 |
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| author | Wang, Jiongjie Xiao, Jiang |
| author_facet | Wang, Jiongjie Xiao, Jiang |
| contents | The S-parameter $S_{21}$ is widely used to characterize the resonant properties of various systems. However, we demonstrates that the reliability of $S_{21}$ as a true indicator of system resonances depends heavily on the specific probing setup employed. While point-probe or weak probes preserve the integrity of the $S_{21}$ spectrum and accurately reflect system resonances, multi-point and strong probes can introduce significant discrepancies. These discrepancies can manifest as misleading features such as repulsive level anti-crossing or attractive level crossing, even in systems that are fundamentally uncoupled. This highlights the critical importance of selecting appropriate probing techniques to ensure a precise evaluation of system resonances. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_07555 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Interpreting S-Parameter Spectra in Coupled Resonant Systems: The Role of Probing Configurations Wang, Jiongjie Xiao, Jiang Mesoscale and Nanoscale Physics The S-parameter $S_{21}$ is widely used to characterize the resonant properties of various systems. However, we demonstrates that the reliability of $S_{21}$ as a true indicator of system resonances depends heavily on the specific probing setup employed. While point-probe or weak probes preserve the integrity of the $S_{21}$ spectrum and accurately reflect system resonances, multi-point and strong probes can introduce significant discrepancies. These discrepancies can manifest as misleading features such as repulsive level anti-crossing or attractive level crossing, even in systems that are fundamentally uncoupled. This highlights the critical importance of selecting appropriate probing techniques to ensure a precise evaluation of system resonances. |
| title | Interpreting S-Parameter Spectra in Coupled Resonant Systems: The Role of Probing Configurations |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2405.07555 |