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

A decoherence-free quantum memory using trapped ions.

D Kielpinski1, V Meyer, M A Rowe

  • 1Time and Frequency Division, National Institute of Standards and Technology, Boulder, CO 80305, USA. davidk@boulder.nist.gov

Science (New York, N.Y.)
|March 10, 2001
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

Laser-free trapped-ion entangling gates with simultaneous insensitivity to qubit and motional decoherence.

Physical review. A·2026
Same author

Adjusting Aspergillus niger pellet diameter, population heterogeneity, and core architecture during shake flask cultivation.

Biotechnology for biofuels and bioproducts·2025
Same author

The Mobile lifestyle intervention for food and exercise (mLife) study: Protocol of a remote behavioral weight loss randomized clinical trial for type 2 diabetes prevention.

Contemporary clinical trials·2024
Same author

Case report: Splenic inflammatory pseudotumor-like follicular dendritic cell sarcoma (IPT-like FDCS): a trial of immunotherapy and review of the literature.

Frontiers in oncology·2024
Same author

Erratum: ^{27}Al^{+} Quantum-Logic Clock with a Systematic Uncertainty below 10^{-18} [Phys. Rev. Lett. 123, 033201 (2019)].

Physical review letters·2023
Same author

Author Correction: Enhancing attention in children using an integrated cognitive-physical videogame: A pilot study.

NPJ digital medicine·2023
Same journal

Erratum for the Research Article "Detecting supramolecular organic nanoparticles during heat wave".

Science (New York, N.Y.)·2026
Same journal

Local signals, systemic decline.

Science (New York, N.Y.)·2026
Same journal

The mechanics of liver regeneration.

Science (New York, N.Y.)·2026
Same journal

Computing in a memory with physics.

Science (New York, N.Y.)·2026
Same journal

Retraction.

Science (New York, N.Y.)·2026
Same journal

Making time.

Science (New York, N.Y.)·2026
See all related articles

Researchers created a decoherence-free quantum memory using two ions. This quantum memory significantly extends qubit storage time by protecting quantum information from environmental noise.

Area of Science:

  • Quantum Information Science
  • Atomic Physics
  • Quantum Computing

Background:

  • Quantum information requires robust memory for storage.
  • Environmental noise causes dephasing, limiting qubit storage times.
  • Single-ion qubits are susceptible to decoherence.

Purpose of the Study:

  • To demonstrate a decoherence-free quantum memory for a single qubit.
  • To protect quantum information from environmental dephasing.
  • To enhance the storage time of quantum information.

Main Methods:

  • Encoding a single qubit into the decoherence-free subspace (DFS) of two trapped 9Be+ ions.
  • Utilizing the DFS to shield the qubit from environmental interactions.
  • Measuring qubit storage times under ambient and engineered noisy conditions.

Related Experiment Videos

Main Results:

  • The decoherence-free quantum memory increased qubit storage time by up to an order of magnitude.
  • Encoding into the DFS effectively protected the qubit from dephasing.
  • The qubit encoding process was demonstrated to be reversible.

Conclusions:

  • A decoherence-free quantum memory using a two-ion system is feasible.
  • Encoding qubits into DFS is a viable strategy to combat environmental noise.
  • This approach significantly improves the reliability and duration of quantum information storage.