@article{nbhhlk-pcwntr3wo-19,
 author = {Nesic, Aleksandar and Blaicher, Matthias and Hoose, Tobias and Hofmann, Andreas and Lauermann, Matthias and Kutuvantavida, Yasar and Nöllenburg, Martin and Randel, Sebastian and Freude, Wolfgang and Koos, Christian},
 doi = {10.1364/OE.27.017402},
 journal = {Optics Express},
 number = {12},
 pages = {17402--17425},
 title = {Photonic-integrated circuits with non-planar topologies realized by {3D}-printed waveguide overpasses},
 volume = {27},
 year = {2019}
}