A digital optical switch (DOS) in polymer using truncated‐structural X‐branches (TSXB)

Abstract

We report the theoretical performance of a digital switch based on a wide-angle, low-loss asymmetric X-junction that we recently proposed (“truncated-structural” branch). Even at a wide full-branching angle of 1.2°, the crosstalk and (straight-port) transmission at the zero-voltage state are found to be −17 and −0.5 dB, respectively. In the switched state, they are −20.0 and −1.14 dB, respectively. © 2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 27: 229–233, 2000.