The scale bars of the scanning-electron microscope images in Fig. 1 were incorrect: the scale for Fig. 1a should have been 10 μm, and the scale for Fig. 1d should have been 5 μm.
In Fig. 2b, the scale of the principal y-axis was incorrect and should have been ×10−7. The unit of the y-axis for the inset figure remains as ×10−8.
These errors have been corrected in the HTML and PDF versions of the Letter.
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The online version of the original article can be found at 10.1038/nphoton.2009.237
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Zhu, J., Ozdemir, S., Xiao, YF. et al. Erratum: On-chip single nanoparticle detection and sizing by mode splitting in an ultrahigh-Q microresonator. Nature Photon 4, 122 (2010). https://doi.org/10.1038/nphoton.2009.289
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DOI: https://doi.org/10.1038/nphoton.2009.289
