Blue-sky research relies on pushing the boundaries of current technologies. In that way it serves as an inherent incubator for deep-tech innovations. A fantastic example is quantum technologies, which emerged as a serendipitous discovery from foundational questions on the very essence of quantum physics. Today, the performance provided by quantum technologies allow us to perform experiments in...
In 1997, Peter Shor presented an algorithm for prime factorization in polynomial time on a quantum computer [1]. Since the security in classical cryptography relies on the mathematical complexity of prime factorization, a possible realization of a quantum computer threatens classical cryptography. To fix this problem there are two possible solutions. One is post-quantum cryptography [2]...
The Wallenberg Centre for Quantum Technology (WACQT) is a 12-year research effort to advance quantum technologies in Sweden, largely carried out by Swedish universities. I will give an overview of the core project of the center, which is to build a full-stack quantum computer based on superconducting circuits. I will describe the status of the project and present some of the key results. I...
This talk explores the intricacies of quantum entanglement, whether manifested between two distinct photons (non-locality) or within two degrees of freedom of the same photon (contextuality). The focus is on reviewing state-of-the-art integrated quantum photonic circuits that leverage inter or intra-photon entanglement. These circuits are designed for diverse applications, including operating...
