Caterina Vigliar

Project title: High-dimensional integrated devices for quantum networks (HighQNet)

Host Institution: Technical University of Denmark (DTU)

Host Supervisor: Prof. Leif Katsuo Oxenløwe

Co-host Institution: Eindhoven University of Technology (TU/e)

Co-host Supervisor: Prof. Martijn J.R. Heck

Summary project: The ability of controlling networks of entangled quantum states will represent a fundamental aspect of the future Quantum Internet, offering communications secured by the physical laws of quantum mechanics. Nascent integrated quantum photonics technologies are playing a central role in building the complex and compact devices suited for the mass-adoption of quantum communication protocols. However, quantum communications have so far been limited by the channels’ capacity and their noise robustness.

The aim of the HighQNet project is to build the hardware to address these limitations. A combination of two leading integrated quantum photonic platforms will be investigated, the silicon and indium phosphide ones, to demonstrate a network of miniaturised chips for high-dimensional photonic quantum system processing, that will simultaneously facilitate increased state capacity and inherent stability against noise. This project will first develop silicon and indium phosphide devices able to generate high-dimensional quantum states and perform linear and non-linear quantum interferometry. Then a three-chip network will be realised, for the

performance of high-dimensional quantum communication applications such as high-dimensional entanglement swapping.

The development of the above objectives will solve a critical set of challenges that have limited quantum networks so far, enabling next-generation noise-robust high-dimensional quantum communication and computing tasks, currently largely unexplored.

Caterina Vigliar


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EuroTechPostdoc2 Programme

Within the EuroTechPostdoc2 programme, the universities of the EuroTech Universities Alliance offer seventy Marie Skłodowska-Curie fellowships to experienced high-potential researchers, in two calls for 35 fellows each. Besides giving the fellows the freedom to establish their own research lines, the programme provides exceptional training opportunities to prepare the fellows for a future as part of the new generation of scientific leaders, within and outside of academia.

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement no. 899987.

Supported by Eindhoven University of Technology. Designed by Penrose CDB –