The article contains a misprint in Eq. (1). The correct expression reads
i.e., in the nominator of the fraction outside the matrix, the “2” appearing in the original article should be replaced by a “1.” All the results presented in the article originate from the correct expression reported here. 1
REFERENCE
1.
S.
Zanotto
, F.
Bianco
, V.
Miseikis
, D.
Convertino
, C.
Coletti
, and A.
Tredicucci
, APL Photonics
2
, 016101
(2017
).© 2016 Author(s).
2016
Author(s)
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