DOI: 10.1039/d6nr02227h ISSN: 2040-3364
A compact broadband four-channel parallel mode converter enabled by adjoint-based inverse design for C-band operation
Yuli Liu, Wanyi Yue, Xiongjun ShangA compact four-channel mode converter based on adjoint inverse design with fabrication constraints is demonstrated on Diffrar resin for broadband on-chip mode division multiplexing interconnection.