Updates are available Erratum dated 2017-11-30
Click to view Erratum: https://doi.org/10.1038/nature24024
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Authors
Hodaei, Hossein
Hassan, Absar U.
Wittek, Steffen
Garcia-Gracia, Hipolito
El-Ganainy, Ramy
Christodoulides, Demetrios N.
Khajavikhan, Mercedeh
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Article History
Received: 6 January 2017
Accepted: 7 June 2017
First Online: 10 August 2017
Change Date: 8 November 2017
Change Type: Correction
Change Details: Please see accompanying Erratum (ExternalRef removed). In this Letter, the y-axis labels of the inset to Fig. 3a should have been 102rather than 101(top label) and 101rather than 100(bottom label). This error has been corrected online.
Competing interests
: The authors declare no competing financial interests.
