A 20-Gb/s silicon bipolar 1:4 demultiplexer IC Lao, Zhihao ; Albers, Jens N. ; Langmann, Ulrich ; Schlag, Erwin Abstract Publication: Journal of Lightwave Technology Pub Date: February 1994 DOI: 10.1109/50.350589 Bibcode: 1994JLwT...12..320L