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quant-ph2026
Secret Key Rate Limits in Coexisting Classical-Quantum Optical Links
Lucas Alves Zischler, Amirhossein Ghazisaeidi, Antonio Mecozzi +1
Classical-quantum coexistence enables cost-effective transmission of data and quantum signals over the same fiber-optic channel. Nevertheless, weak quantum-key distribution (QKD) s…
quant-ph2026
Experimental Characterization and Model Validation of Interference in Classical-QKD Coexistence Transmission
Lucas Alves Zischler, Amirhossein Ghazisaeidi, Carina Castiñeiras Carrero +4
We present an experimental characterization of coexistence-induced interference in QKD transmission arising from SpRS and FWM, validating a comprehensive semi-analytical model for…