Atomic ions controlled by laser light are among the leading candidates for large scale quantum computing. However operational systems today require vast scaling to reach levels capable of useful computational tasks. The integration of light delivery will be an essential component of this for the trapped-ion approach. I will describe results in which the use of photonics integrated into ion trap chips has allowed us to perform high fidelity two-qubit gates, which are an essential building block for quantum computers. These systems have now been extended to the operation of multiple trap zones, and the creation of novel optical fields for ion trap control while a new generation of chips allowing integration of all required wavelengths as well as optimised light delivery offers further enhancements in performance and scaling.
We describe the design and realization of an interactive art exhibition on the theme of quantum physics. The exhibition comprises five installations, developed by a group of scientists and artists based in Zurich, Switzerland, at the time of development. The installations are interactive art pieces, and their goals are to raise awareness of the general public and policy and government officials toward quantum computing, to provoke viewers’ questions on how quantum phenomena work, and to inspire them to learn more about quantum physics. Scientific experts in the field acted as ambassadors during the exhibition, delivering a guided experience to the visitors. The exhibition was showcased during the World Economic Forum held in Davos, Switzerland, in January 2020 as part of the Eidgenössische Technische Hochschule Zürich Pavillion.
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