In the Research Highlights for the February issue (Nature Photonics. 5, 68–69; 2011 ), the image for 'Stable and tunable' should have been for 'In the frequency domain'.
In the News & Views 'Optical black-hole analogues' (Nature Photonics. 5, 76–78; 2011), the name of physicist Francesco Belgiorno was misspelt as 'Franco'.
Both errors have been corrected in the HTML and PDF versions.
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The online version of the original article can be found at 10.1038/nphoton.2011.1
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Correction. Nature Photon 5, 140 (2011). https://doi.org/10.1038/nphoton.2011.32
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DOI: https://doi.org/10.1038/nphoton.2011.32
