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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.
We propose a controlled-NOT (CNOT) gate based on two-photon quantum interference in cascaded silicon dual-ring resonators with Mach-Zehnder interferometer-assisted coupling. We illustrate the working principle and the design parameters of the device by theoretical modeling.
Optical/photonic network-on-chip (ONoC) architectures are emerging as a new paradigm to interconnect a large number of processing cores at chip level, meeting the pressing demand for extremely high bandwidth and low power consumption. The micro-ring resonator is the key switching component to build such an architecture. However, there is a major concern in accumulated signal insertion loss, especially...
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