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Led by University of Bonn professor Martin Weitz, researchers have observed a previously unknown phase transition in the optical Bose-Einstein condensate. The state is known as an overdamped phase, and it may be relevant for encrypted quantum communication.
“If suitable quantum mechanically entangled states occur in coupled light condensates, this may be interesting for transmitting quantum-encrypted messages between multiple participants,” said Fahri Emre Öztürk, a doctoral student at the Institute of Applied Physics at the University of Bonn and lead author on a study describing the development.
The optical Bose-Einstein condensate, originally discovered by Weitz, is a “superphoton” composed…READ MORE