VOA-induced luminescence in chip-based QKD creates a spectrally separated side channel enabling information leakage even from weak emission without disturbing quantum states.
A.et al.Electroluminescence properties of leds based on electron-irradiated p-si.Semiconductors50, 252–256 (2016)
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Security Risks of VOA-Induced Luminescence in Chip-Based quantum key distribution
VOA-induced luminescence in chip-based QKD creates a spectrally separated side channel enabling information leakage even from weak emission without disturbing quantum states.