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Related Experiment Videos

Quantum information processing with trapped ions.

D J Wineland1, M Barrett, J Britton

  • 1Time and Frequency Division, National Institute of Standards and Technology (NIST), Boulder, CO 80305-3328, USA.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|July 19, 2003
PubMed
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Researchers are developing quantum computers using trapped atomic ions. This study details single-qubit operations, a geometric phase gate, and strategies for scaling up these quantum computing devices.

Area of Science:

  • Quantum computing
  • Atomic ion traps

Background:

  • Trapped atomic ions are a leading platform for building quantum computers.
  • Implementing quantum operations and gates is crucial for quantum computation.

Purpose of the Study:

  • To describe experiments for developing a trapped atomic ion quantum computer.
  • To detail the implementation of single-qubit operations and two-qubit gates.
  • To address limitations and propose a strategy for large-scale devices.

Main Methods:

  • Implementation of single-qubit operations.
  • Development of a geometric phase gate for two-qubit interactions.
  • Analysis of limitations including Stark shifts and spontaneous emission.

Main Results:

Related Experiment Videos

  • Successful implementation of single-qubit operations and gates.
  • Demonstration of a geometric phase gate between two ion qubits.
  • Identification of key limitations in trapped-ion quantum computing.

Conclusions:

  • Trapped atomic ions show promise for quantum computation.
  • Further development is needed to overcome limitations and scale the technology.
  • A strategy for realizing a large-scale trapped-ion quantum computer is proposed.