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. 2019 Mar 5;10:1049. doi: 10.1038/s41467-019-08611-5

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Fig. 4 — Photon correlation measurement. a Scheme of experiment using tunable 120 fs pulsed excitation. b, c Second-order intensity correlation of the emission light from single Atto647 molecule inside NPoM cavity using b 520 nm and c 590 nm excitation wavelengths. Bottom panels show evolution of g²(0) vs measurement time. Black dashed line shows time at which upper panels are taken