A quantum theorist whose proposals helped turn trapped ions into a computing architecture and entanglement purification into a strategy for long-distance quantum communication.
Max Planck Institute of Quantum Optics
Director, Theory Division
Why included? 3 sources
Cirac’s contributions connect the abstract requirements of quantum information with specific physical systems. His trapped-ion proposal with Peter Zoller described how laser-controlled ions could perform quantum computation. His work with Briegel, Dür and Zoller then addressed the different challenge of preserving entanglement across long communication distances. Both examples show why architecture matters: a useful quantum device needs a method for combining imperfect physical operations into a larger, coordinated task.
Documented work base: Germany
Identification checked Explore the contributions and sources