Do you feel that there are fundamental questions in quantum information theory which are not receiving enough attention? Is there a technical difficulty that you encounter over and over in the course of your research?

On December 20, 2022, Anton Zeilinger met with Federal President Alexander Van der Bellen

Physicists at IQOQI Vienna have succeeded for the first time in entangling photons over 248 kilometers of optical fiber. For quantum communication, this is a new long-distance record and a significant step on the way to the quantum internet.…

IQOQI Scientific Director Caslav Brukner wrote an article for Europhysics News about the 2022 Nobel Prize in Physics

In honour of Nobel Prize winner Anton Zeilinger, a tram in Nobel Prize design can now be seen on the streets of Vienna!

Every year "Highly Cited Researchers" identifies the world's most frequently cited scientists, among them 2022 physics Nobel laureate Anton Zeilinger.

This year's Nobel Prize in Physics goes to Alain Aspect, John F. Clauser and Anton Zeilinger “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science”. The whole IQOQI team…

Increasing curiosity about science and research among young people is the most important goal of the European Researchers' Night. Researchers from IQOQI-Vienna support this aim and presented their research topics.

The ‘Wigner’s friend’ thought experiment illustrates the puzzling nature of quantum measurement. Časlav Brukner discusses how recent results suggest that in quantum theory the objectivity of measurement outcomes is relative to observation and…

The new president of the Austrian Academy of Sciences visited the Academy's Institute for Quantum Optics and Quantum Information in Vienna.