Developing silicon carbide for quantum spintronics
Abstract
In current long-distance communications, classical information carried by large numbers of particles is intrinsically robust to some transmission losses but can, therefore, be eavesdropped without notice. On the other hand, quantum communications can provide provable privacy and could make use of entanglement swapping via quantum repeaters to mitigate transmission losses. To this end, considerable effort has been spent over the last few decades toward developing quantum repeaters that combine long-lived quantum memories with a source of indistinguishable single photons. Multiple candidate optical spin qubits in the solid state, including quantum dots, rare-earth ions, and color centers in diamond and silicon carbide (SiC), have been developed. In this perspective, we give a brief overview on recent advances in developing optically active spin qubits in SiC and discuss challenges in applications for quantum repeaters and possible solutions. In view of the development of different material platforms, the perspective of SiC spin qubits in scalable quantum networks is discussed.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- May 11, 2020
- Source ID
- 10.1063/5.0004454
Entities
People
- Alexandre Bourassa
- Charles Babin
- Christopher P Anderson
- David Awschalom
- Florian Kaiser
- Ivan G. Ivanov
- Jawad ul Hassan
- Joerg Wrachtrup
- Kevin C Miao
- Matthias Niethammer
- Matthias Widmann
- Naoya Morioka
- Nguyen Tien Son
Organizations
- Air Force Office of Scientific Research
- Argonne National Laboratory
- Defense Advanced Research Projects Agency
- EU Business School
- Federal Ministry of Research, Technology and Space
- Horizon 2020
- Knut and Alice Wallenberg Foundation
- Linköping University
- Max Planck Institute for Solid State Research
- Office of Naval Research
- Swedish Energy Agency
- Swedish Research Council
- University of Chicago
- University of Stuttgart