Peter Grünberg Institute (PGI)

JARA-Institute Quantum Information (PGI-11)

Our institute pursues a diverse set of topics that further our theoretical understanding of electronic systems and devices at nano- and atomic scales, and the application of these small quantum systems to new forms of information processing.

Institute Heads: Prof. Dr. David DiVincenzo, Prof. Dr. Hendrik Bluhm

Organizational Structure of PGI-11, Introduction Video of PGI-11

News and Events

Quantum Computing

Using the Electron Shuttle to Create a Scalable Quantum Computer

A major challenge in building a quantum computer is its scalability, i.e. the ability to connect millions of qubits. In contrast to semiconductor chips in conventional computers, quantum chips cannot simply be enlarged. Researchers from the JARA cooperation between Forschungszentrum Jülich and RWTH Aachen University as well as the Polish Academy of Sciences were able to make progress compared to previous demonstrations using the electron shuttle method. The results were published in Nature Communications.

Peter Grünberg Colloquium: Prof. Dr. Lorenzo Maccone, Università degli Studi di Pavia & Istituto Nazionale di Fisica Nucleare, Sezione di Pavia, Italy

Quantum metrology is one of the pillars of quantum technologies. It shows how one can use quantum effects, such as entanglement and squeezing, to increase the precision of the measurements one can do. It also establishes the ultimate bounds, on precision that any measurement can achieve, e.g. through the Heisenberg uncertainty relations and the quantum speed limits.

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