Microring modulator matrix integrated with mode multiplexer and de-multiplexer for on-chip optical interconnect

We report a 4×4 microring modulator matrix integrated with mode multiplexer and demultiplexer based on asymmetrical directional couplers (ADCs) for on-chip optical interconnect. Data transmission with the capacity of 512 Gbps is demonstrated by adopting 4 wavelengths and 4 modes multiplexing.

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