TY - JOUR A1 - Wohlfeil, Benjamin A1 - Rademacher, Georg A1 - Stamatiadis, Christos A1 - Voigt, Karsten A1 - Zimmermann, Lars A1 - Petermann, Klaus T1 - A Two Dimensional Fiber Grating Coupler on SOI for Mode Division Multiplexing JF - IEEE Photon. Technol. Lett. Y1 - 2016 U6 - https://doi.org/10.1109/LPT.2016.2514712 VL - 28 SP - 1241 ER -