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Defects in silicon may be the key to a new secure and fast Internet.
The prospects for creating a quantum Internet that will connect quantum computers and provide high-level data transfer protection seem exciting, but this technological innovation imposes serious technical requirements. To transmit quantum information, it is necessary to work with individual photons, unlike light sources used in traditional fiber-optic networks.
To create and manipulate individual photons, scientists use quantum emitters, also known as color centers. These are atomic defects in semiconductor materials that can emit photons of a fixed wavelength.
A team of researchers from the Lawrence Berkeley National Laboratory (Berkeley Lab) led by Thomas Schenkel, Liang Tan and Boubacar Kante demonstrated a new method for creating quantum emitters using pulsed ion beams. This method was significantly more effective than the previous ones.
Studies conducted using simulations on the Perlmutter supercomputer have shown that the wavelength of the emitted photons is sensitive to deformations in the crystal lattice. These data can be used in the development of radiation sensors based on quantum color centers.
Work aimed at studying color centers continues. The main focus is on creating a database of potentially existing color centers in silicon and their application in quantum computing.
Kante emphasizes: "We are committed to a new paradigm of qubits by design. Our goal is to create a reliable color center that meets all technical requirements."
Cameron Geddes, Director of the ATAP Division, added that the new methods for creating color centers discovered in this work represent an exciting application of plasma science to improve technologies in the field of quantum informatics.
The prospects for creating a quantum Internet that will connect quantum computers and provide high-level data transfer protection seem exciting, but this technological innovation imposes serious technical requirements. To transmit quantum information, it is necessary to work with individual photons, unlike light sources used in traditional fiber-optic networks.
To create and manipulate individual photons, scientists use quantum emitters, also known as color centers. These are atomic defects in semiconductor materials that can emit photons of a fixed wavelength.
A team of researchers from the Lawrence Berkeley National Laboratory (Berkeley Lab) led by Thomas Schenkel, Liang Tan and Boubacar Kante demonstrated a new method for creating quantum emitters using pulsed ion beams. This method was significantly more effective than the previous ones.
Studies conducted using simulations on the Perlmutter supercomputer have shown that the wavelength of the emitted photons is sensitive to deformations in the crystal lattice. These data can be used in the development of radiation sensors based on quantum color centers.
Work aimed at studying color centers continues. The main focus is on creating a database of potentially existing color centers in silicon and their application in quantum computing.
Kante emphasizes: "We are committed to a new paradigm of qubits by design. Our goal is to create a reliable color center that meets all technical requirements."
Cameron Geddes, Director of the ATAP Division, added that the new methods for creating color centers discovered in this work represent an exciting application of plasma science to improve technologies in the field of quantum informatics.
