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Efficient, narrow profile waveguide crossings based on rapid adiabatic coupling

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Abstract

We demonstrate an efficient silicon waveguide crossing based on the rapid adiabatic coupling (RAC) concept. Insertion loss and crosstalk are under 0.05 dB and -50 dB in simulation and under 0.3 dB and -17 dB in experiment across a 100 nm bandwidth.

© 2020 The Author(s)

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