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Low-loss silicon 2 × 4λ multiplexers composed of on-chip polarization-splitter-rotator and 2 × 2 and 2 × 1 Mach-Zehnder filters for 400GbE

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Abstract

2×4λ Si-photonics multiplexers for 400GbE composed of Mach-Zehnder filters and a polarization-splitter-rotator are proposed and experimentally demonstrated for the first time. Relative spectral position of two filters is locked by using 2×2 and 2×1 configurations.

© 2020 The Author(s)

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