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Ultra-Compact Photonic Bends Reduce Loss While Meeting Foundry Rules (Georgia Tech)

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Ultra-Compact Photonic Bends Reduce Loss While Meeting Foundry Rules (Georgia Tech)

Researchers at Georgia Institute of Technology published a technical paper titled “Low-loss ultra-compact photonic bends with enhanced fabrication tolerance for commercial foundry processes.”

Abstract Excerpt: “We present a methodology and experimentally validate it with the design of high-performance integrated photonic waveguide bends in extremely compact footprints (2.3 µm radius). The approach uses what we believe to be a novel contour constraint within a topology optimization framework to improve performance and reduce sensitivity to fabrication variability while ensuring compliance with commercial foundry design rule checks.”

Wong, Joshua J., Robert P. Pesch, Archana Kaushalram, Jacob M. Hiesener, and Stephen E. Ralph. “Low-loss ultra-compact photonic bends with enhanced fabrication tolerance for commercial foundry processes.” Optics Letters 51, no. 18 (2026): 5185–5188. https://doi.org/10.1364/OL.611581



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