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Fast Quasiadiabatic 2×2 Broadband 3-dB Couplers on SOI Strip Waveguides

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Abstract

We propose a short and broadband 2×2 silicon 3-dB coupler optimized by the fast quasiadiabatic approach. The designed device is 67.6 µm long and has a bandwidth of 280 nm for 3±1 dB splitting ratio.

© 2018 The Author(s)

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