Non-secular polariton leakage and dark-state protection in hybrid plasmonic cavities
Fuente:
arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866914397397450752 |
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| author | Vallone, Marco |
| author_facet | Vallone, Marco |
| contents | A major issue in exploiting plasmonic cavities as key components in nanotechnology is the effect of radiative and absorption losses on their electrodynamic behavior. Treating them as open-systems, we derive a time-local, completely positive master equation that retains non-secular interference between decay pathways and reduces to the standard secular description when the environment resolves polariton splitting. When it does not, the theory predicts order-one deviations from secular leakage dynamics, including bath-induced coherences and stabilization of dark polaritons, and provides a simple design criterion based on the ratio of polariton splitting to reservoir linewidth. A time-resolved leakage measurement, such as transmission, reflectivity, or photoluminescence, can be used to observe these effects. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_21597 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Non-secular polariton leakage and dark-state protection in hybrid plasmonic cavities Vallone, Marco Optics Mesoscale and Nanoscale Physics Quantum Physics A major issue in exploiting plasmonic cavities as key components in nanotechnology is the effect of radiative and absorption losses on their electrodynamic behavior. Treating them as open-systems, we derive a time-local, completely positive master equation that retains non-secular interference between decay pathways and reduces to the standard secular description when the environment resolves polariton splitting. When it does not, the theory predicts order-one deviations from secular leakage dynamics, including bath-induced coherences and stabilization of dark polaritons, and provides a simple design criterion based on the ratio of polariton splitting to reservoir linewidth. A time-resolved leakage measurement, such as transmission, reflectivity, or photoluminescence, can be used to observe these effects. |
| title | Non-secular polariton leakage and dark-state protection in hybrid plasmonic cavities |
| topic | Optics Mesoscale and Nanoscale Physics Quantum Physics |
| url | https://arxiv.org/abs/2601.21597 |