Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Quantum computation with unknown parameters.

J J García-Ripoll1, J I Cirac

  • 1Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, D-85748 Garching, Germany.

Physical Review Letters
|April 12, 2003
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Complete Physical Characterization of Quantum Nondemolition Measurements via Tomography.

Physical review letters·2022
Same author

Spin-Holstein Models in Trapped-Ion Systems.

Physical review letters·2022
Same author

Remote Individual Addressing of Quantum Emitters with Chirped Pulses.

Physical review letters·2021
Same author

Projected Entangled Pair States: Fundamental Analytical and Numerical Limitations.

Physical review letters·2020
Same author

Single Photons by Quenching the Vacuum.

Physical review letters·2019
Same author

Unconventional quantum optics in topological waveguide QED.

Science advances·2019
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

This study demonstrates quantum computations using bosonic atoms in an optical lattice, even with unknown parameters. A universal set of quantum gates is achievable despite uncertainty in the number of atoms per site.

Area of Science:

  • Quantum Information Science
  • Atomic Physics
  • Quantum Computing

Background:

  • Quantum computation requires precise control over quantum systems, often necessitating knowledge of all system parameters.
  • Existing quantum computing architectures typically rely on well-characterized systems for reliable gate operations.

Purpose of the Study:

  • To demonstrate the feasibility of performing quantum computations on systems with largely unknown parameters.
  • To present a novel implementation of a quantum computer using bosonic atoms in an optical lattice.
  • To show that a universal set of quantum gates can be realized despite site-atom number uncertainty.

Main Methods:

  • Utilized bosonic atoms confined within an optical lattice.
  • Developed protocols for implementing a universal set of quantum gates.

Related Experiment Videos

  • Focused on demonstrating gate fidelity in the presence of unknown system parameters and atom number fluctuations.

    • Main Results:

    • Successfully demonstrated quantum computation with a system where most parameters were practically unknown.
    • Implemented a novel quantum computing architecture using bosonic atoms in an optical lattice.
    • Achieved a universal set of quantum gates even when the number of atoms per site was uncertain.

    Conclusions:

    • Quantum computations are possible in systems with significant parameter uncertainty, broadening the scope of quantum computing hardware.
    • Bose-atom optical lattice systems offer a promising platform for robust quantum computation.
    • The developed methods pave the way for more resilient and potentially simpler quantum computing implementations.