To describe this rich and ubiquitous light-matter interaction, the community has relied so far on the conceptual tools inherited from quantum optics. Microwave photons are used at every stage of quantum information protocols: qubit manipulation, qubit readout and qubit-qubit coupling. This success builds on the naturally large interaction between light, represented by microwave signals, and matter, embodied by superconducting qubits. Superconducting quantum circuits form one of the most promising solid state platforms for quantum computing. This will be a ramp-up effort to develop the core technology for building next-generation devices capable of performing quantum computation and simulation tasks that might rival classical computers in the long-term. The project brings together European research groups and companies to overcome the limitations of current annealing devices by applying the latest developments in superconducting quantum circuits.ĪVaQus will build and operate a quantum annealer prototype with 5 qubits with high connectivity, tunable interactions and long coherence times. Would considerably change the quantum computing landscape.ĪVaQus (Annealing-based VAriational QUantum processorS) is a European project funded in the FET-Open 2019 call to develop a quantum processor that demonstrates coherent quantum annealing and its potential to solve real-life optimization problems. QEC and bring down the hardware requirements for a logical qubit by several orders of magnitude. The resulting protected qubit will extend the frontiers of the current knowledge in The proposed qubits offer another major advantage: protected gates can be implemented using a simple Improvement of the coherence time over current state-of-the-art is expected to be two orders of The novelĪpproach builds on two technological steps: a new high-kinetic inductance superconductor (InOx) and suspended New paradigm implies inductances with unprecedented value (10μH), also known as superinductances. (4e-tunneling) while the standard single pair transport (2e-tunneling), or Josephson current, is reduced to zero.
This will be achieved by building a circuit component where charge transport occurs as pairs of Cooper pairs The qubit states to the number of Cooper pairs or flux quanta of a given circuit, as is usually done, SuperProtected willĮxploit a completely new encoding scheme: quantum information will be stored as the parity of the number of Cooper New type of superconducting qubit, which will be intrinsically protected against de-coherence. The main objective of this proposal is to engineer a Quantum Error Correction (QEC) aims to extendĬoherence using redundancies but leads to solutions that are extremely resource-intensive: at present, protecting oneīit of information requires at least ten thousand physical qubits. Quantum coherence is as powerful as it is difficult to protect. The quantum computer dream is driven by promises of unprecedented capabilities but is also facing a stark reality: Projects and Collaborations ERC Consolidator SuperProtected
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