Physics

Oscillating photonic Bell state from a semiconductor quantum dot for quantum key distribution

M. Pennacchietti, B. Cunard, et al.

This groundbreaking research showcases a highly efficient source of entangled photon pairs generated from an InAsP quantum dot within an InP nanowire, achieving a remarkable high fidelity of 97.5% ± 0.8%. The study tackles crucial challenges in quantum key distribution through an innovative time-resolved protocol, promising advancements in secure communications. This research was conducted by a team of experts including Matteo Pennacchietti, Brady Cunard, Shlok Nahar, and others.

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