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Francesco Da Ros

2 papers indexed

arxivphysics.opticseess.SP2026-07-08

Beyond white- and black-box modeling tools in optical communications and optical computing: physics-informed data-driven modeling

Isidora Teofilovic, Sergio Hernandez Fernandez, Metodi P. Yankov, Christophe Peucheret, Darko Zibar, Francesco Da Ros

Efficient optimization and control of photonic computing and communication systems increasingly rely on accurate surrogate models/digital twins. While data-driven models may achieve faster inference than traditional physics-based methods, they typically suffer from poor training…

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arxivphysics.opticseess.SP2026-06-30

Fundamentals of Optical Fiber Sensing Schemes Based on Coherent Optical Time Domain Reflectometry: Signal Under Dynamic Temperature Conditions

Roman Ermakov, Huwei Wang, Florian Azendorf, André Sandmann, Juan M. Marin, Francesco Da Ros, et al.

We present a theoretical, algorithmic, and experimental study of temperature sensing using $φ$-OTDR with coherent detection. A physics-based model is developed to relate the measured Rayleigh backscattered signal to temperature variations along the fiber, showing that the phase e…

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