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

  1. A. Morello
  2. Andrew Dzurak

In Atomic and Molecular Physics, and Optics

  1. A. Morello
  2. Gerhard Klimeck
  3. Andrew Dzurak

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