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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2509.13876 |
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Table of Contents:
- The optical transmission spectra of a series of micro-ring resonators (MRRs) are studied following the implantation of gold (Au) ions and subsequent thermal annealing, at temperatures between 500 °C and 700 °C. Whilst we find that this process leads to the ready formation of Au nanoparticles (NPs) on the MRR surface, the cavity optical properties; Q-factor and extinction ratio (ER) are severely degraded, for annealing between 500 °C and 600 °C, but recover again for annealing at 650 °C. For an equivalent (control) MRR, which received no Au implantation, thermal annealing alone was also found to degrade the cavity performance.