Modular Photonics is excited to launch its latest product line the new industry-leading MCMUX series of compact and ultralow loss fan-in and fan-out devices for multicore fibres. The MCMUX devices are being offered for commercially available 4 and 7-core multicore fibre or can be customized to client supplied multicore fibre. Applications include high density data centre interconnects, fibre sensing and space-division multiplexing.