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

Efficient universal leakage elimination for physical and encoded qubits.

L-A Wu1, M S Byrd, D A Lidar

  • 1Chemical Physics Theory Group, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada.

Physical Review Letters
|September 13, 2002
PubMed
Summary

We present a method to remove decoherence-induced leakage errors in quantum computing using simple pulse sequences. This technique protects qubits and is compatible with current quantum computing proposals.

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

Dissipative Landau-Zener tunneling in the crossover regime from weak to strong environment coupling.

Nature communications·2025
Same author

Erratum: Simple Proof of Equivalence between Adiabatic Quantum Computation and the Circuit Model [Phys. Rev. Lett. 99, 070502 (2007)].

Physical review letters·2021
Same author

Implementation of leakage elimination operators and subspace protection.

Scientific reports·2020
Same author

Optimally combining dynamical decoupling and quantum error correction.

Scientific reports·2013
Same author

Anticandidal activity and biocompatibility of a rechargeable antifungal denture material.

Oral diseases·2012
Same author

Decoherence-protected quantum gates for a hybrid solid-state spin register.

Nature·2012

Area of Science:

  • Quantum Computing
  • Quantum Information Science
  • Quantum Error Correction

Background:

  • Decoherence-induced leakage errors can couple qubits to unwanted energy levels.
  • These errors are detrimental to quantum information processing and qubit stability.
  • Existing methods for error mitigation require significant overhead or are not universally applicable.

Purpose of the Study:

  • To develop a general method for removing decoherence-induced leakage errors.
  • To enhance the reliability and fidelity of quantum computations.
  • To provide experimentally accessible solutions for current quantum computing architectures.

Main Methods:

  • Utilizing simple decoupling and recoupling pulse sequences.
  • Applying these sequences to mitigate errors that couple qubits to other levels.

Related Experiment Videos

  • Designing gates that are robust against leakage errors.

    • Main Results:

    • Demonstrated a general method for error removal.
    • Showcased the effectiveness of decoupling and recoupling pulse sequences.
    • Confirmed experimental accessibility of the proposed gates.

    Conclusions:

    • The proposed method effectively removes decoherence-induced leakage errors.
    • Simple pulse sequences offer a practical approach to enhance qubit stability.
    • The technique is compatible with various quantum computing proposals, facilitating near-term applications.