Scientists have introduced a groundbreaking form of quantum entanglement known as frequency-domain photon number-path entanglement. This leap in quantum physics involves an innovative tool called a ...

A long-standing bottleneck in photonic quantum technology may finally be easing. Researchers in Germany have demonstrated a deterministic photon source that operates in the telecom C-band while ...

“Einstein and Bohr would have never thought that this is possible, to perform such an experiment with single atoms and single photons,” said Wolfgang Ketterle, head of the MIT group whose new ...