On-chip grating coupler array on the SOI platform for fan-in/fan-out of multi-core fibers with low insertion loss and crosstalk

Yunhong Ding, Feihong Ye, Christophe Peucheret, Haiyan Ou, Yutaka Miyamoto, Toshio Morioka
2014 2014 The European Conference on Optical Communication (ECOC)  
We design and fabricate a compact multi-core fiber fan-in/fan-out using a fully-etched grating coupler array on the SOI platform. Lowest coupling loss of 6.8 dB with 3 dB bandwidth of 48 nm and crosstalk lower than -32 dB are demonstrated.
doi:10.1109/ecoc.2014.6964081 fatcat:ukgtcz4c3bc5bembdul4x7neiu