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We demonstrate a Si-wire polarization-diversified Coarse WDM DeMUX for high-density optical interconnects. The device consists of a hybrid mode conversion-type polarization splitter rotator and delayed interferometric DeMUX. The fabricated device exhibited low loss and polarization-dependent loss of <1.0 dB, suppressing crosstalk (<−20 dB).
© 2023 The Author(s)
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