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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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More Like This
Demonstration and Fabrication Tolerance Study of a Low-Loss, Ultra-broadband Rapid Adiabatic 3-dB Coupler in a Next- Generation 45 nm Monolithic Electronic-Photonic Platform

Josep M. Fargas Cabanillas, Derek M. Kita, Anatol Khilo, Forrest Sedgwick, John Fini, Miloš A. Popović, and Mark T. Wade
Tu5B.4 Optical Fiber Communication Conference (OFC) 2021

Demonstration of 3±0.12 dB power splitting over 145 nm optical bandwidth in a 31-µm long 3-dB rapid adiabatic coupler

Josep M. Fargas Cabanillas, Bohan Zhang, and Miloš A. Popović
Th1A.2 Optical Fiber Communication Conference (OFC) 2020

Broadband Repeatable <0.025 dB Average Loss Rapid Adiabatic Based 3-dB Coupler in a 45 nm SOI CMOS Process

Josep M. Fargas Cabanillas, Golam Bappi, Derek M. Kita, Derek Van Orden, Anatol Khilo, Forrest Sedgwick, John Fini, Miloš A. Popović, and Mark T. Wade
JTh3A.3 Integrated Photonics Research, Silicon and Nanophotonics (IPRSN) 2021

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