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Bart Kuyken on Muck Rack

Bart Kuyken

Belgium
As seen in: Nature, Tech Xplore, AIP Publishing, Optica
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Articles

Silicon photonics just gained a powerful new ally, and it could reshape next-generation data links

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By Bart Kuyken, Margot Niels, Jakob Declercq
| Tech Xplore Verified
(a) Simplified overview of the envisioned next-generation SiPh platform. (b) Image after the integration of TFLN on a Si-PIC and SEM of a FIB cross-section of the heterogeneous EO device on a Si-PIC. (c) TEM images of the Ge/Si PD, showing the Ge growth in the deeply recessed Si cavity (d) Measured optoelectronic bandwidth of the Ge photodiode.
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A high-speed heterogeneous lithium tantalate silicon photonics platform - Nature Photonics

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By Tingting Zhai, Arno Moerman, Nishant Singh, Sam Lemey, Xin Yin, Joris Van Campenhout, Gunther Roelkens, Bart Kuyken, Margot Niels, Tom Vanackere, Ewoud Vissers, Patrick Nenezic, Jakob Declercq, Olivier Caytan
| Nature Verified
Abstract The rapid expansion of cloud computing and artificial intelligence has driven the demand for faster optical components in data centres to unprecedented levels. A key advancement in this field is the integration of multiple photonic components onto a single chip, enhancing the performance of optical transceivers. Here silicon photonics, benefiting from mature fabrication processes, has gained prominence in both academic research and industrial applications.
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Compact low-voltage lithium niobate racetrack modulator on a silicon nitride platform through micro-transfer printing

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By Tom Vandekerckhove, Bart Kuyken, Stijn Poelman, Lisa De Jaeger
| Optica Verified
Thin-film lithium niobate (TFLN) modulators have been pushing the limits of high-speed modulation to higher bandwidths and lower driving voltages. However, these typically occupy large footprints, limiting their integration density. For many applications, compact low-voltage modulators are desired where the bandwidth is limited by other factors, e.g., lifetimes of atomic transitions.
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