4 papers
Measurement-Device-Independent Entanglement Quantification in a Fully Connected Time-Bin Quantum Network
Lu Liu, Ling-Xuan Kong, Ze-Yang Lu +3
Fully connected quantum networks enable scalable quantum communication, yet reliable entanglement characterization without trusting measurement devices remains challenging. Here we…
Broadband Quantum Photon Source in Step-Chirped Periodically Poled Lithium Niobate Waveguide
Xiao-Xu Fang, Guoliang Shentu, He Lu
Broadband nonlinear optical devices play a critical role in both classical and quantum optics. Here, we design and fabricate a 6.82-mm-long step-chirped periodically poled lithium…
High-efficiency On-chip Quantum Photon Source in Modal Phase-matched Lithium Niobate Nanowaveguide
Xiao-Xu Fang, Hao-Yang Du, Xiuquan Zhang +3
Thin-film lithium niobate on insulator~(LNOI) emerges as a promising platform for integrated quantum photon source, enabling scalable on-chip quantum information processing. The mo…
Wavelength-Tunable and High-Heralding-Efficiency Quantum Photon Source in Birefringent Phase-Matched Lithium Niobate Waveguide
Zhu-Qi Tao, Xiao-Xu Fang, He Lu
Lithium niobate~(LN) is a birefringent material, where the strong birefringence thermo-optic effect is promising for the generation of quantum photon source with widely tunable wav…