2022
DOI: 10.1103/physrevlett.128.177401
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Low-Temperature Photophysics of Single Nitrogen-Vacancy Centers in Diamond

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Cited by 20 publications
(15 citation statements)
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“…A temperature-dependent reduction in PL intensity and spin contrast was also reported in connection with NV charge state instabilities [18]. Further, spin mixing in the ES due to magnetic field [19,20] or crystal strain [21] was identified as another mechanism for loss of PL. The strain-related spin mixing at low temperature was found to be partially mitigated by application of a large magnetic bias field [15,20,22].…”
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confidence: 81%
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“…A temperature-dependent reduction in PL intensity and spin contrast was also reported in connection with NV charge state instabilities [18]. Further, spin mixing in the ES due to magnetic field [19,20] or crystal strain [21] was identified as another mechanism for loss of PL. The strain-related spin mixing at low temperature was found to be partially mitigated by application of a large magnetic bias field [15,20,22].…”
mentioning
confidence: 81%
“…Further, spin mixing in the ES due to magnetic field [19,20] or crystal strain [21] was identified as another mechanism for loss of PL. The strain-related spin mixing at low temperature was found to be partially mitigated by application of a large magnetic bias field [15,20,22]. Because high PL intensity and spin contrast are essential for high-fidelity quantum readout and sensitive magnetometry, a complete picture of the NV photodynamics in the 10−100 K range is highly desirable.…”
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confidence: 99%
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“…This state has spin-triplet, orbital-doublet character (see other reviews for a detailed description 16,32,42,43 ) resulting in a fine structure containing six energy levels, which can be resolved under cryogenic conditions (T o 10 K). 44 At elevated temperatures, these orbitals undergo rapid averaging caused by the dynamic Jahn-Teller effect, 44,45 resulting in an effective three-level (spin-triplet) system at room temperature. In either case, decay from the NV excited state exhibits spindependent fluorescence (discussed in Section 2.2) that is exploited for spin-state readout in most NV-based quantum sensing schemes.…”
Section: Physical and Electronic Structure Of The Nv Centermentioning
confidence: 99%