Developing a bright, deterministic source of entangled photon pairs has been an outstanding scientific and technological challenge. Semiconductor quantum dots are a promising candidate for this task. A new device combining a circular Bragg resonator and a piezoelectric actuator achieves high brightness and entanglement fidelity simultaneously, overcoming previous limitations. This breakthrough enhances quantum dot applications in entanglement-based quantum communication protocols.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11420348 | PMC |
| http://dx.doi.org/10.1038/s41377-024-01593-0 | DOI Listing |
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