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Conferences > CLEO_SI > 2021 > SW4E > SW4E.6

Compact, Broadband Waveguide Two-Mode (De)-Multiplexers based on Rapid Adiabatic Coupling

Josep M. Fargas Cabanillas, Bohan Zhang, and Miloš A. Popović

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Abstract

The concept of rapid adiabaticity is applied to design a mode evolution based two-spatial-mode mux-demux chain, shorter than conventional adiabatic devices by a factor of 4. The 100-µm-long device measures <-26 dB cross-talk over 80 nm bandwidth and IL <0.2dB at 1550 nm.

© 2021 The Author(s)

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