Topics: Modern Physics, Nanotechnology, Quantum Computer, Quantum Mechanics
(Nanowerk News) The first quantum revolution brought about semiconductor electronics, the laser and finally the internet. The coming, second quantum revolution promises spy-proof communication, extremely precise quantum sensors and quantum computers for previously unsolvable computing tasks. But this revolution is still in its infancy. A central research object is the interface between local quantum devices and light quanta that enable the remote transmission of highly sensitive quantum information.
The Otto-Hahn group “Quantum Networks” at the Max-Planck-Institute of Quantum Optics in Garching is researching such a “quantum modem”. The team has now achieved a first breakthrough in a relatively simple but highly efficient technology that can be integrated into existing fibre optic networks.
The work is published this week in Physical Review X (“Coherent and Purcell-Enhanced Emission from Erbium Dopants in a Cryogenic High-Q Resonator”).
Physicists develop an efficient modem for the quantum internet, Max-Planck-Institute of Quantum Optics