Exploration of zero-phonon line characteristics in single photon emitters, indicating important optical properties of MoS2.
We explore the zero‐phonon line of single photon emitters in helium‐ion treated monolayer MoS 2 , which are currently understood in terms of single sulfur‐site vacancies. By comparing the linewidths of the zero‐phonon line as extracted directly from optical spectra with values inferred from the first‐order autocorrelation function of the photoluminescence, we quantify bounds of the homogeneous broadening and of phonon‐assisted contributions. The results are discussed in terms of both the independent boson model and ab‐initio results as computed from GW and Bethe–Salpeter equation approximations.
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Barthelmi et al. (2026) studied this question.
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