Chen, Pai-Yen
Sakhdari, Maryam
Hajizadegan, Mehdi
Cui, Qingsong
Cheng, Mark Ming-Cheng
El-Ganainy, Ramy
Alù, Andrea https://orcid.org/0000-0002-4297-5274
Article History
Received: 5 September 2017
Accepted: 12 April 2018
First Online: 14 May 2018
Change Date: 24 May 2018
Change Type: Correction
Change Details: In the version of this Article originally published, a division symbol was mistakenly omitted from both of the y axis labels in Fig. 5a. The label in the left panel should have read ‘Re((ω×ω0)/2π) (MHz)’ and the label in the right panel should have read ‘Im((ω×ω0)/2π) (MHz)’. This has now been corrected.
Competing interests
: The authors declare no competing interests.