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Gradient Echo Quantum Memory in Warm Atomic Vapor
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Published on: November 11, 2013

Wave function control over a single donor atom.

J Verduijn1, G C Tettamanzi, S Rogge

  • 1Centre for Quantum Computation and Communication Technology, University of New South Wales, Sydney, NSW 2052, Australia. a.verduijn@unsw.edu.au

Nano Letters
|March 22, 2013
PubMed
Summary
This summary is machine-generated.

Researchers manipulated single donor electron wave functions in semiconductor nanostructures using electric fields. This control is key for developing quantum electronics and precisely locating atoms within devices.

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Area of Science:

  • Quantum Physics
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Single donor atoms in semiconductor nanostructures are fundamental building blocks for quantum technologies.
  • Precise control over quantum states is essential for advancing quantum computing and electronics.

Purpose of the Study:

  • To demonstrate electric field manipulation of a single donor electron's wave function.
  • To utilize tunnel current for probing wave function deformation and determining atomic location.

Main Methods:

  • Utilizing semiconductor nanostructures with single donor atoms.
  • Applying electric fields to influence electron wave functions.
  • Measuring tunnel current to probe wave function characteristics.

Main Results:

  • Successfully demonstrated electric field control over the single donor electron wave function.
  • Showcased tunnel current as a method to probe wave function deformation.
  • Enabled precise determination of the donor atom's location within the nanostructure.

Conclusions:

  • Electric field manipulation of single donor electron wave functions is achievable.
  • This technique provides essential control for single donors in quantum device applications.
  • The method allows for accurate localization of donor atoms, crucial for device fabrication.