Evidence item

The excerpt directly reports all 20 links surpassing the PLOB bound at 370 km and 51.5%–251.4% key-rate improvement. DIRECT_TEXT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 24874

Source: Large-scale quantum communication networks with integrated photonics · locator {} · excerpt hash sha256:fd4fc38aed63ca34a542ce7ce2eaafb9e14273e724fa34cf3ab18405ff1caa0c

At a communication distance of 370 km, all TF-QKD across 20 client chips successfully surpassed the PLOB-repeaterless bound. In comparison with the traditional upper bound, the key rates of SNS-TF-QKD showed improvement from at least 51.5% to up to 251.4%.