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quant-ph2024
Long-fiber Sagnac interferometers for twin field quantum key distribution networks
Reem Mandil, Li Qian, Hoi-Kwong Lo
A Sagnac loop structure can help overcome the major difficulty in the practical implementation of a twin field quantum key distribution (TFQKD) network, namely, the need to stabili…
quant-ph2024
Hidden multi-dimensional modulation side channels in quantum protocols
Amita Gnanapandithan, Li Qian, Hoi-Kwong Lo
Quantum protocols including quantum key distribution and blind quantum computing often require the preparation of quantum states of known dimensions. Here, we show that, rather sur…