2001•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Analysis of a Mach-Zehnder interferometer switch with vertical coupling filter waveguide structure

Shyh‐Lin Tsao, Hsin-Chun Huang, Peng‐Chun Peng

Abstract

We present a novel design of a two-layer Mach-Zehnder Interference switch using silicon-on-insulator integrated optical technology. According to the design, we can reduce the size of Mach-Zehnder Interference switches with six refractive index adjustment cases by Beam Propagation Method (BPM) simulation. Some cases of better switches are sorted by tuning the phase difference between the two paths of the Mach-Zehnder Interference refractive indexes of the rib bending waveguide. Such a device shows great potential in achieving coarse wavelength division routing devices.

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Key concepts: Beam propagation method, Mach–Zehnder interferometer, Interferometry, Silicon on insulator, Optics, Interference (communication), Refractive index, Waveguide