Room temperature Purcell enhanced single erbium ions in silicon-carbide-on-insulator microring resonators
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arXiv
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| Autori principali: | , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866909020445474816 |
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| author | Bader, Joshua Sato, Shin-ichiro McCallum, Jeffrey C. Wang, Ruixuan Lim, Shao Qi Lyasota, Alexey Broadway, David Johnson, Brett C. Rogge, Sven Li, Qing Castelletto, Stefania |
| author_facet | Bader, Joshua Sato, Shin-ichiro McCallum, Jeffrey C. Wang, Ruixuan Lim, Shao Qi Lyasota, Alexey Broadway, David Johnson, Brett C. Rogge, Sven Li, Qing Castelletto, Stefania |
| contents | Spin-carrying single-photon emitters operating in the telecommunication C-band (1530-1565nm) are prime candidates for integrated spin-photon interfaces, offering seamless compatibility with existing fiber-optic infrastructure, an essential component for future quantum networks. In this context, erbium-dopants ($\text{Er}^{3+}$) are particularly compelling due to their exceptional emitter properties, including small spectral diffusion and long spin coherence times. However, their low C-band photon-emission rate and operation at cryogenic temperatures has limited the realization of this technology.
In this work, we demonstrate fully integrated single-photon emission from an ion implanted $\text{Er}^{3+}$-embedded into a 4H-silicon-carbide-on-insulator (4H-SiCOI) microring resonator operating at room temperature. By optimizing the mode overlap between the resonator and the $\text{Er}^{3+}$-defect, we achieved a $\sim$70$\times$ Purcell enhancement and recorded small spectral diffusion of $\sim$54 MHz. We further characterize the $\text{Er}^{3+}$ single photon emission via photon correlation g$^{(2)}$-histograms and investigate its performance under varying magnetic-field, demonstrating Zeeman splitting on single emitters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_05815 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Room temperature Purcell enhanced single erbium ions in silicon-carbide-on-insulator microring resonators Bader, Joshua Sato, Shin-ichiro McCallum, Jeffrey C. Wang, Ruixuan Lim, Shao Qi Lyasota, Alexey Broadway, David Johnson, Brett C. Rogge, Sven Li, Qing Castelletto, Stefania Optics Quantum Physics Spin-carrying single-photon emitters operating in the telecommunication C-band (1530-1565nm) are prime candidates for integrated spin-photon interfaces, offering seamless compatibility with existing fiber-optic infrastructure, an essential component for future quantum networks. In this context, erbium-dopants ($\text{Er}^{3+}$) are particularly compelling due to their exceptional emitter properties, including small spectral diffusion and long spin coherence times. However, their low C-band photon-emission rate and operation at cryogenic temperatures has limited the realization of this technology. In this work, we demonstrate fully integrated single-photon emission from an ion implanted $\text{Er}^{3+}$-embedded into a 4H-silicon-carbide-on-insulator (4H-SiCOI) microring resonator operating at room temperature. By optimizing the mode overlap between the resonator and the $\text{Er}^{3+}$-defect, we achieved a $\sim$70$\times$ Purcell enhancement and recorded small spectral diffusion of $\sim$54 MHz. We further characterize the $\text{Er}^{3+}$ single photon emission via photon correlation g$^{(2)}$-histograms and investigate its performance under varying magnetic-field, demonstrating Zeeman splitting on single emitters. |
| title | Room temperature Purcell enhanced single erbium ions in silicon-carbide-on-insulator microring resonators |
| topic | Optics Quantum Physics |
| url | https://arxiv.org/abs/2605.05815 |