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practical quantum technologiesPhys Org
•87% Informative
A new study in Nature Physics demonstrates a novel method for generating quantum entanglement using a quantum dot, which violates the Bell inequality.
This method uses ultra-low power levels and could pave the way for scalable and efficient quantum technologies.
Quantum dots are nanoscale structures that behave like artificial atoms.
The researchers measured Franson interference between the emitted photons.
This violation is crucial as it confirms the quantum nature of the correlations between the photons.
The entanglement was generated at pump powers as low as 7.2 picowatts, approximately 1,000 times less than traditional single-photon sources.
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