Discovery of ST1 centers in natural diamond
Date
2019
Authors
Balasubramanian, Priyadharshini
Metsch, Mathias
Reddy, Prithvi
Rogers, Lachlan J.
Manson, Neil
Doherty, Marcus
Jelezko, Fedor
Journal Title
Journal ISSN
Volume Title
Publisher
De Gruyter
Abstract
The ST1 center is a point defect in diamond with bright fluorescence and a mechanism for optical spin initialization and readout. The center has impressive potential for applications in diamond quantum computing as a quantum bus to a register of nuclear spins. This is because it has an exceptionally high readout contrast, and unlike the well-known nitrogen-vacancy center, it does not have a ground state electronic spin that decoheres the nuclear spins. However, its chemical structure is unknown, and there are large gaps in our understanding of its properties. We present the discovery of ST1 centers in natural diamond. Our experiments identify interesting power dependence of the center's optical dynamics and reveal new electronic structure. We also present a theory of its electron-phonon interactions, which we combine with previous experiments, to shortlist likely candidates for its chemical structure.
Description
Keywords
Citation
Collections
Source
Nanophotonics
Type
Journal article
Book Title
Entity type
Access Statement
Open Access
License Rights
Creative Commons Attribution 4.0 Public License