期刊
NEW JOURNAL OF PHYSICS
卷 22, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/ab6631
关键词
colour centres; diamond; tin-vacancy centre; single photons; Fourier-limited emission lines; electron-phonon scattering
资金
- European Quantum Technology Flagship Horizon 2020 [H2020-EU1.2.3/2014-2020, 820394]
- EMPIR programme
- European Union's Horizon 2020 research and innovation programme [17FUN06]
- JST-PRESTO [JPMJPR16P2]
- National Excellence Program of Quantum-Coherent Materials Project (Hungarian NKFIH grant) [KKP129866]
- EU QuantERA Q-Magine Project [127889]
- National Quantum Technology Program [2017-1.2.1-NKP-2017-00001]
The recently discovered negatively charged tin-vacancy centre in diamond is a promising candidate for applications in quantum information processing (QIP). We here present a detailed spectroscopic study encompassing single photon emission and polarisation properties, the temperature dependence of emission spectra as well as a detailed analysis of the phonon sideband and Debye-Waller factor. Using photoluminescence excitation spectroscopy we probe an energetically higher lying excited state and prove fully lifetime limited linewidths of single emitters at cryogenic temperatures. For these emitters we also investigate the stability of the charge state under resonant excitation. These results provide a detailed insight into the spectroscopic properties of the SnV- centre and lay the foundation for further studies regarding its suitability in QIP.
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