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  • Institute for Quantum Optics and Quantum Information ViennaInstitute for Quantum Optics and Quantum Information Vienna
    Institute for Quantum Optics
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QuSPARC

  • Project Overview
  • Participating Institutions
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  • IQOQI Vienna
  • QuSPARC
    • Project Overview
    • Project Overview
    • Participating Institutions
    • Publications and Media

Project Overview

Aims and Methodology

Scalability is one of the core challenges of present-day quantum technology. While many promising demonstrations have been performed at the level of tens of qubits, a vast leap will be required to create systems with the many thousands of physical qubits with the outstanding quality needed for the achievement of quantum computational advantage and high-bandwidth quantum communication. Spin centres in silicon carbide are an emerging platform for quantum information and communication. Some of these systems have long spin lifetimes and strong optical transitions in the near infrared optical spectrum. This optical band is advantageous for strong photonic enhancement, and for interfacing with low-loss waveguide and fiber networks. These defects possess electronic spins for photonic links, and nuclear spins for quantum information storage. The multilevel systems furthermore offer a platform for novel, resource-efficient quantum information methods based on high-dimensional encoding. Silicon carbide is a highly developed material platform, offering extremely high purity, transparency, and compatibility with eminently scalable semiconductor processing methods. In QuSPARC, we will develop and demonstrate wafer-scale processes to create thousands of near-identical qubit sites with spin control on a SiC wafer, and with optical enhancement interfaces using optical micro-resonators of extremely high quality. These developments will allow to determine optimized methods for the control and readout of selected spin centres in SiC towards fault-tolerant implementations.

QuSPARC will thereby achieve a disruptive step change in the development of scalable quantum information devices, leading the race towards the creation of million-qubit systems for high-performance quantum technology.

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Institute for Quantum Optics and
Quantum Information - Vienna
of the Austrian Academy of Sciences

Boltzmanngasse 3
1090 Vienna, Austria

Phone +43 1 51581-9500
iqoqi-vienna(at)oeaw.ac.at

IQOQI Vienna

We pursue the vision of quantum information science and the wide range of new possibilities it would open up for quantum technologies.

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