A quantum-optics experiment swaps entanglement across 16 wavelength channels at 3-GHz repetition with 93.9% average fidelity, a step toward multiplexed quantum repeaters.
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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.
A heralded single-photon source at telecom wavelengths is realized by combining a narrow-band silicon nitride photon-pair source with GHz-gated InGaAs/InP detectors that provide both timing and spectral filtering.
citing papers explorer
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Experimental zero-added-loss multiplexing Bell-pair source for long-haul quantum networks
A quantum-optics experiment swaps entanglement across 16 wavelength channels at 3-GHz repetition with 93.9% average fidelity, a step toward multiplexed quantum repeaters.
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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.