64-channel two-dimensional POF-based optical array interchip interconnect

A 64 channel optical array interconnect based on 125 micrometers polymer optical fibers arranged in an 8 X 8 array with dimensions of 2 X 2 mm 2 is presented. Typical insertion losses of 1.5 dB (660 nm) and 5 dB (980 nm) over 20 cm interconnection length have been measured.