Charge-based quantum computing using single donors in semiconductors
By Lloyd Christopher L. Hollenberg, Andrew Dzurak, C. Wellard, A. Hamilton, D. Reilly, G. J. Milburn, R. Technology, U. Melbourne, U. Wales, U. Queensland. 2003
255 citations recorded by the source corpus.
Solid-state quantum computer architectures with qubits encoded using single atoms are now feasible given recent advances in the atomic doping of semiconductors. Here we present a charge qubit consisting of two dopant atoms in a semiconductor crystal, one of which is singly ionized. Surface electrodes control the qubit and a radio-frequency single-electron transistor provides fast readout. The calculated single gate times, of order 50 ps or less, are much shorter than the expected decoherence time. We propose universal one- and two-qubit gate operations for this system and discuss prospects for fabrication and scale up.
Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics
View Paper: https://www.semanticscholar.org/paper/7e44e545a567b8fd29a5a6d47eb892ea8aa13d4a
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In Artificial Intelligence
In Atomic and Molecular Physics, and Optics
Citations in the corpus
- Silicon quantum electronics (2012, methodology): “Recent theoretical work addresses this problem and progress has been made using effective mass (Calderón et al., 2010b; Fang et al., 2002; Hao et al., 2011; Hollenberg et al., 2004) and self-consistent field tightbinding (Rahman et al., 2011a) treatments.”