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An Ultra-Compact Colorless Dual-Mode 3 dB Power Splitter Based on Axisymmetrical Subwavelength Structure

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Abstract

A novel ultra-compact colorless dual mode power splitter using inverse design method is proposed and experimentally demonstrated with low crosstalk < 20 dB and a footprint of only 2.88 × 2.88 µm2 , fabricated by only one-step etching.

© 2018 The Author(s)

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