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20242026
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physics.optics2026

Silicon Ring Based 64100 GHz Wavelength Division Multiplexing filter

Q. Deng, A. Elshazly, M. Oktay +17

Silicon-based wavelength division multiplexing (WDM) filters are essential for scaling optical communication capacity in data centers and telecommunications networks.However, exten…

physics.optics2025

A high-speed heterogeneous lithium tantalate silicon photonics platform

Margot Niels, Tom Vanackere, Ewoud Vissers +22

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…

physics.optics2025

A scalable quadratic nonlinear silicon photonics platform with printable entangled photon-pair sources

Tom Vandekerckhove, Jasper De Witte, Lisa De Jaeger +14

The integration of second-order optical nonlinearities into scalable photonic platforms remains a key challenge due to their large sensitivity to fabrication variations. Here, we p…

physics.optics2024

Low-Loss and Low-Power Silicon Ring Based WDM 32100 GHz Filter Enabled by a Novel Bend Design

Qingzhong Deng, Ahmed H. El-Saeed, Alaa Elshazly +21

Ring resonators are crucial in silicon photonics for various applications, but conventional designs face performance trade-offs. Here a third-order polynomial interconnected circul…

physics.optics2024

Low-Loss Silicon Directional Coupler with Arbitrary Coupling Ratios for Broadband Wavelength Operation Based on Bent Waveguides

Ahmed H. El-Saeed, Alaa Elshazly, Hakim Kobbi +17

We demonstrate a design for a high-performance splitter meeting the essential requirements of broadband coupling, support for arbitrary coupling ratio, ultra low-loss,…