6 papers
Proof-of-principle long-distance Sagnac twin-field quantum key distribution network
Reem Mandil, Yen-An Shih, Abhay Verma +2
Twin-field (TF) quantum key distribution (QKD) offers a promising approach to long-distance QKD networks due to its superior performance over large channel losses. Due to specializ…
Mitigating Phase Correlations in Quantum Key Distribution Using Path-Selection Modulation
Amita Gnanapandithan, Li Qian, Hoi-Kwong Lo
Phase correlations are an under-explored vulnerability in QKD. Here, we present an experimental and simulated characterization of correlations arising from electro-optic phase enco…
Random Party Distillation on a Superconducting Processor
Alexander C. B. Greenwood, Jackson Russett, Hoi-Kwong Lo +1
Random party distillation refers to the process by which Einstein-Podolsky-Rosen pairs are probabilistically extracted from a single copy of a multipartite entangled state after mu…
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…
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…
Fully Passive Measurement-Device-Independent Quantum Key Distribution
Jinjie Li, Wenyuan Wang, Hoi-Kwong Lo
A recently proposed fully passive QKD removes all source modulator side channels. In this work, we combine the fully passive sources with MDI-QKD to remove simultaneously side chan…