Charge state transition of spectrally stabilized tin-vacancy centers in diamond
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arXiv
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| Autori principali: | , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866913604227301376 |
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| author | Ikeda, Keita Chen, Yiyang Wang, Peng Miyamoto, Yoshiyuki Taniguchi, Takashi Onoda, Shinobu Hatano, Mutsuko Iwasaki, Takayuki |
| author_facet | Ikeda, Keita Chen, Yiyang Wang, Peng Miyamoto, Yoshiyuki Taniguchi, Takashi Onoda, Shinobu Hatano, Mutsuko Iwasaki, Takayuki |
| contents | Solid-state quantum emitters are an important platform for quantum information processing. The fabrication of the emitters with stable photon frequency and narrow linewidth is a fundamental issue, and it is essential to understand optical conditions under which the emitter keeps a bright charge state or transitions to a dark state. For these purposes, in this study, we investigate the spectral stability and charge state transition of tin-vacancy (SnV) centers in diamond. The photoluminescence excitation spectra of multiple SnV centers are basically stable over time with nearly transform-limited linewidths under resonant excitation, while simultaneous irradiation of resonant and non-resonant lasers makes spectra from the SnV centers unstable. We find that the instability occurs due to the charge state transition to a dark state. The charge state transition rates are quantitatively investigated depending on the laser powers. Lastly, with first-principle calculations, we model the charge state transition of the SnV center under the laser irradiation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_07087 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Charge state transition of spectrally stabilized tin-vacancy centers in diamond Ikeda, Keita Chen, Yiyang Wang, Peng Miyamoto, Yoshiyuki Taniguchi, Takashi Onoda, Shinobu Hatano, Mutsuko Iwasaki, Takayuki Quantum Physics Solid-state quantum emitters are an important platform for quantum information processing. The fabrication of the emitters with stable photon frequency and narrow linewidth is a fundamental issue, and it is essential to understand optical conditions under which the emitter keeps a bright charge state or transitions to a dark state. For these purposes, in this study, we investigate the spectral stability and charge state transition of tin-vacancy (SnV) centers in diamond. The photoluminescence excitation spectra of multiple SnV centers are basically stable over time with nearly transform-limited linewidths under resonant excitation, while simultaneous irradiation of resonant and non-resonant lasers makes spectra from the SnV centers unstable. We find that the instability occurs due to the charge state transition to a dark state. The charge state transition rates are quantitatively investigated depending on the laser powers. Lastly, with first-principle calculations, we model the charge state transition of the SnV center under the laser irradiation. |
| title | Charge state transition of spectrally stabilized tin-vacancy centers in diamond |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2412.07087 |