Experimental demonstration of higher order-mode pass filter based on mode-scattering evolution
Weifeng Jiang,
Siqiang Mao,
Jinzhu Hu
Abstract:A higher-order mode (HOM) pass filter is a key component in on-chip mode-division multiplexing (MDM) systems, enabling mode-selective transmission. In this study, a highly integrated silicon-based HOM pass filter is proposed based on “mode-scattering evolution.” The proposed filter consists of a functional region and input/output waveguides, with a compact footprint of only 2 µm × 9 µm achieved through an inverse design. Experimental results demonstrate that the fabricated silicon-based HOM pass filter exhibit… Show more
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