France
https://www.photonics-bretagne.com
Finland
https://www.photonics.fi/
Sweden
https://www.ri.se/en
Ireland
https://www.tyndall.ie/
https://recherche.utt.fr/light-nanomaterials-nanotechnologies-l2n
Spain
www.vlcphotonics.com/
Belgium
https://www.b-phot.org/
https://www.vttresearch.com/en
Poland
https://www.pw.edu.pl/engpw
