Improved Optical 1xN On-Chip-Switches Based on Generalized Mach-Zehnder Interferometers
2019 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)（2019）
Abstract
We present a theoretical study of 1xN optical routing networks consisting of generalized Mach-Zehnder switches, that are based on multimode interferometers. This work gives a brief overview of the necessary phase conditions and resulting phase shifter requirements in the 1xN switches. Using the presented approach as 1x4 switch with parallel phase shifters, a 20% phase-shifter-loss reduction becomes possible.
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Key words
parallel phase shifters,generalized Mach-Zehnder interferometers,1xN optical routing networks,multimode interferometers,phase conditions,optical 1xN on-chip-switches,phase-shifter-loss reduction
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