ArticleNanophotonics (Berlin, Germany)2026
Proton-Radiation Hardening of High-Speed Ge/Si Integrated Photodetectors for Space Applications.
Article in Nanophotonics (Berlin, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
High-speed Ge/Si integrated photodetectors are essential for spaceborne photonic links, yet proton irradiation can strongly increase leakage current and noise, compromising long-term reliability. Here, we performed a broad-spectrum proton-irradiation study on high-speed Ge/Si integrated photodetectors and validated hydrogen loading as a radiation-hardening approach. An RCF-calibrated energy-fluence spectrum combined with Geant4 energy-deposition simulations enabled dose-calibrated testing at cumulative deposited doses of 158, 316, 790, and
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