Infrared focal plane arrays (FPAs) are image sensors that detect and convert infrared light into electrical signals to generate real-time thermal images. Advances in cryogenic FPAs have enabled higher resolution, larger formats, improved sensitivity, and faster imaging speeds, but they also require data rates exceeding 100 gigabits per second. Conventional electrical interconnects used to meet these demands increase the number of connections, leading to higher heat load through copper links, which can leak into FPAs, raise noise levels, and increase cooling requirements and po...