Researchers led by Philip Walther demonstrated quantum interference among single photons, advancing optical quantum computing.

Researchers led by Philip Walther at the University of Vienna, in an international collaboration, have demonstrated quantum interference among several single photons utilizing a novel resource-efficient platform. Published in Science Advances, this work advances optical quantum computing, paving the way for more scalable quantum technologies. Quantum interference, fundamental in quantum optics, involves manipulating light's wave-particle duality to induce interference patterns, crucial for encoding and processing quantum information.