Quantum computing: Laser-optical system offers full control over 2,000 trapped Rydberg atoms
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PhysQuantum computing: Laser-optical system offers full control over 2,000 trapped Rydberg atomsphys.orgFraunhofer ILT in Aachen has developed a highly complex laser-optical system for a quantum computer currently under construction at the 5th Institute of Physics at the University of Stuttgart. This system enables 2,000 Rydberg atoms to be positioned with submicrometer precision in the computer's highly compact vacuum chamber. To do this, the system projects an array of 2,000 individually controllable laser beams into the chamber. These beams act as optical tweezers and hold the trapped Rydberg atoms precisely at the distance required for them to interact with each other. The computer's quantum logic processes are based on these interactions.
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