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Demonstration of Crosstalk-Free WDM Demultiplexing on Si Nanowire PIC Controlled by Si CMOS ASIC

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Abstract

We demonstrate fully automatic suppression of crosstalk, inevitable in WDM demultiplexers on Si nanowire PIC. This is realized with a low-cost CMOS ASIC dedicatedly designed for low-power control of our proposed CAT demultiplexer. It is shown to have zero OSNR penalty even under continuous control required to cancel dynamic environmental change.

© 2021 The Author(s)

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