Author Affiliations

Jose A. Altabas,⁽¹⁾ Guillermo Silva Valdecasa,⁽²⁾ Morten Didriksen,⁽²⁾ Jose A. Lazaro,⁽³⁾ Ignacio Garces,⁽¹⁾ Idelfonso Tafur Monroy,⁽⁴⁾ and Jesper B. Jensen⁽²⁾

⁽¹⁾Aragon Institute of Engineering Research, University of Zaragoza, Mariano Esquillor, ed. I+D+i, E-50018, Zaragoza, Spain

⁽²⁾Bifrost Communications, Scion DTU, Akademivej Bygnig 381, 2800 Kgs Lyngby, Denmark

⁽³⁾Universitat Politècnica de Catalunya, Jordi Girona 31, E-08034, Barcelona, Spain

⁽⁴⁾Institute for Photonics Integration, Eindhoven University of Technology, 5600 MB Eindhoven Netherlands