Objective
The ever shrinking size of field effect transistors for digital electronics has now reached a boundary where fluctuations in the position of a single dopant can have a significant influence on the performance of the transistor and quantum effects cannot be neglected any more. These two effects therefore represent a size limit, preventing the microelectronics industry from further downscaling and performance increase of MOSFET transistors. This calls for a breakthrough. Rather than being a drawback one can take advantage of quantum and dopant effects to build a quantum analogue of the classical electronics.
To build this Quantum Electronics one would need basic quantum elements: good quantum memory, quantum bus, quantum processor, and of course and efficient interface between these elements. Superconducting circuits have already been shown to be efficient as quantum bus or quantum processor, but can only hold quantum information for tens of microseconds.
In this project I propose to build a long lasting quantum memory and interface it, quantum coherently and efficiently, to a superconducting quantum bus. I will use an ensemble of spins of bismuth dopants implanted in silicon as a quantum memory. Bismuth spins have been recently proven to be able to hold quantum information over several seconds when immersed in a small magnetic field, bringing them to a so-called clock transition. I will interface this good quantum memory with superconducting circuits, bringing together a good quantum memory with a quantum bus and processor. Building this unit in silicon, I will benefit from tremendous material development made by the microelectronic industry over the past 50 years.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
- natural sciencesphysical sciencesquantum physics
- natural scienceschemical sciencesinorganic chemistrypost-transition metals
- natural scienceschemical sciencesinorganic chemistrymetalloids
- natural sciencesphysical scienceselectromagnetism and electronicssuperconductivity
- natural sciencesphysical sciencestheoretical physicsparticle physicsphotons
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Keywords
Programme(s)
Funding Scheme
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)Coordinator
WC1E 6BT London
United Kingdom