A CMOS compatible microring-based on-chip isolator with 18dB optical isolation
classification
⚛️ physics.optics
keywords
isolationmicroringopticalachievedadd-dropasymmetriccmoscoefficients
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We demonstrate strong optical nonreciprocity in microring add-drop filters with asymmetric input and output coupling coefficients. Up to 18dB isolation was achieved with a silicon-on-insulator high-Q microring of 5 micrometer radius.
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