Gorlach, Maxim A.
Ni, Xiang
Smirnova, Daria A.
Korobkin, Dmitry
Zhirihin, Dmitry
Slobozhanyuk, Alexey P.
Belov, Pavel A.
Alù, Andrea http://orcid.org/0000-0002-4297-5274
Khanikaev, Alexander B. http://orcid.org/0000-0002-7689-216X
Article History
Received: 21 June 2017
Accepted: 6 February 2018
First Online: 2 March 2018
Competing interests
: The authors declare no competing interests.