Author Affiliations

Ke Wang,^{*,(1),(2),(3)} Jie Li,⁽¹⁾ Anders Djupsjöbacka,⁽¹⁾ Sergei Popov,⁽²⁾ Gunnar Jacobsen,⁽¹⁾ Robert Elvis Makon,⁽⁴⁾ Rachid Driad,⁽⁴⁾ Herbert Walcher,⁽⁴⁾ Andreas G. Steffan,⁽⁵⁾ and Heinz-Gunter Bach⁽⁶⁾

⁽¹⁾Networking and Transmission Laboratory, Acreo AB, Electrum 236, SE-164 40, Kista, Sweden.

⁽²⁾Royal Institute of Technology, Electrum 229, SE-164 40, Kista, Sweden

⁽³⁾Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China

⁽⁴⁾Fraunhofer Institute for Applied Solid State Physics, Tullastr. 72, 79108 Freiburg, Germany

⁽⁵⁾u2t Photonics AG, Reuchlinstrasse 10/11, 10553 Berlin, Germany

⁽⁶⁾Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Einsteinufer 37, 10587 Berlin, Germany

^*Corresponding author: ke2@kth.se