Ultralow-loss Si3N4 PICs generate path-encoded EPR pairs (F=0.9875) and fuse them into four-photon GHZ states at F=0.943(8) and 27 Hz—two orders of magnitude above prior silicon-photonic rates.
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2 Pith papers cite this work, alongside 607 external citations. Polarity classification is still indexing.
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Engineering resonant interband transitions in a GaAs/AlGaAs heterostructure combined with a high-Q metasurface boosts the effective second-order nonlinearity to ~14 nm/V at 1.57 μm.
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An ultralow-loss integrated photonic platform for discrete-variable quantum information processing
Ultralow-loss Si3N4 PICs generate path-encoded EPR pairs (F=0.9875) and fuse them into four-photon GHZ states at F=0.943(8) and 27 Hz—two orders of magnitude above prior silicon-photonic rates.
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Quantum-Well-Metasurface to Maximize Nonlinear Polarization
Engineering resonant interband transitions in a GaAs/AlGaAs heterostructure combined with a high-Q metasurface boosts the effective second-order nonlinearity to ~14 nm/V at 1.57 μm.