Quantum Network Test Verifies Entanglement Without Trusted Detectors
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Researchers built a fully connected four-user quantum network, distributing time-bin entangled photon pairs over six links using a broadband integrated lithium niobate photon source. By using the polarization of the same photons as trusted quantum inputs, they were able to verify and quantify entanglement without trusting the measurement devices.
From Phys.org Optics & Photonics
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- Phys.org Optics & PhotonicsQuantum Network Test Verifies Entanglement Without Trusting Detectors
Researchers built a fully connected four-user quantum network, distributing time-bin entangled photon pairs over six links using a broadband integrated lithium niobate photon source. By using the polarization of the same photons as trusted quantum inputs, they were able to verify and quantify entanglement without trusting the measurement devices.