David Bacco, Technical University of Denmark
In a society based on the continuous exchange of sensitive data and information, the importance of secure and trustable communications is essential. By exploiting principles of Quantum Physics, it is possible to share data in an unconditionally secure way, no longer based on mathematical assumptions of the encryption algorithm, but founded on the basic principles of Quantum Mechanics. In this context, our project relies on the development of a Quantum Communication (QCs) systems able to increase the actual performance in terms of rate, security and distance.
The key to exceeding the barriers of present QCs resides in investigating new degrees of freedom for quantum communications together with extensive knowledge of high-speed classical communications merged with future technologies like integrated photonic circuits. In this lecture, I will present the latest research on quantum photonics technologies carried out in the DNRF CoE: Silicon Photonics for Optical Communication (SPOC), including new quantum key distribution protocols, generation and transmission of high-dimensional quantum states, both with bulk optics and integrated circuits, and a study of co-existence of classical and quantum light into the same optical fiber.
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