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Article Abstract
We present a compact and polarization-insensitive 1 × N optical power splitter based on a non-uniform array of coupled silicon nitride waveguides. A 1 × 5 prototype is fabricated and tested with uniform power distribution with a low power imbalance across an 80 nm bandwidth in the C + L bands. The core splitting footprint is 13 m² per port. Unlike previous polarization-insensitive devices with 1 × 2 configurations, our work realizes a compact and polarization-insensitive splitter with multiple outputs, suitable for scalable and fabrication-tolerant integration.
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| http://dx.doi.org/10.1364/OL.565981 | DOI Listing |
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