Abstract

A $4 \times 4$ silicon photonic switch based on a voltage-driven Mach–Zehnder interferometer (MZi) was modeled using transfer matrices, whose parameters were determined by fitting smoothed, wavelength-resolved transmission measurements. The model is constructed using voltages that configure each MZi in an intermediate (quadrature point) switch setting. This state is not used during normal operation of the switch. The model is then used to predict bias voltage settings for different switch configurations, such as the conventional through and cross connections, as well as other characteristics, such as crosstalk.

© 2018 IEEE

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