Spectroscopic Investigations of Negatively Charged Tin-Vacancy Centres in Diamond

11 Feb 2020  ·  Görlitz Johannes, Herrmann Dennis, Thiering Gergő, Fuchs Philipp, Gandil Morgane, Iwasaki Takayuki, Taniguchi Takashi, Kieschnick Michael, Meijer Jan, Hatano Mutsuko, Gali Adam, Becher Christoph ·

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 (PLE) 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 $\text{SnV}^-$ centre and lay the foundation for further studies regarding its suitability in QIP. read more

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Quantum Physics Mesoscale and Nanoscale Physics Materials Science