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Broadband and Low-Loss Metamaterial Silicon Nitride Edge Coupler

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Abstract

We report a SiN edge coupler based on metamaterial structure with simple fabrication process, the coupling loss with SMF is 1.60/2.21 dB at 1310/1550 nm. The loss is smaller than 1.86/2.80 dB in O/S+C+L band.

© 2024 The Author(s)

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