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

Optimal eavesdropping in cryptography with three-dimensional quantum states.

D Bruss1, C Macchiavello

  • 1Institut für Theoretische Physik, Universität Hannover, 30167 Hannover, Germany.

Physical Review Letters
|March 23, 2002
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

Quantum hypergraph states: a review.

Reports on progress in physics. Physical Society (Great Britain)·2026
Same author

Experimental realization of optimal noise estimation for a general Pauli channel.

Physical review letters·2012
Same author

Hyperentangled mixed phased Dicke states: optical design and detection.

Physical review letters·2011
Same author

Distributed quantum dense coding.

Physical review letters·2004
Same author

Experimental purification of single qubits.

Physical review letters·2004
Same author

Detection of entanglement with polarized photons: experimental realization of an entanglement witness.

Physical review letters·2003
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

Quantum cryptography using three-dimensional systems offers enhanced security against symmetric attacks compared to two-dimensional systems. This study generalizes eavesdropping transformations and explores links to quantum cloning.

Area of Science:

  • Quantum Information Science
  • Quantum Cryptography
  • Quantum Computing

Background:

  • Quantum cryptography protocols typically utilize two-dimensional quantum states (qubits).
  • Assessing the security of quantum cryptographic protocols against eavesdropping is crucial.
  • Understanding the limitations and capabilities of quantum eavesdropping is an active research area.

Purpose of the Study:

  • To investigate optimal eavesdropping strategies in quantum cryptography using three-dimensional quantum systems (qudits).
  • To compare the security of three-dimensional systems against symmetric attacks with traditional two-dimensional systems.
  • To generalize eavesdropping transformations to arbitrary dimensions and explore connections to quantum cloning.

Main Methods:

  • Mathematical formulation of optimal eavesdropping strategies for qudit-based quantum cryptography.

Related Experiment Videos

  • Analysis of security against symmetric attacks for d-dimensional systems.
  • Generalization of the eavesdropping transformation.
  • Investigation of the relationship between optimal eavesdropping and optimal quantum cloning.

    • Main Results:

    • Three-dimensional quantum cryptographic systems demonstrate superior security against symmetric attacks compared to two-dimensional systems.
    • A generalized eavesdropping transformation applicable to arbitrary dimensions was derived.
    • A direct connection between optimal eavesdropping and optimal quantum cloning was established.

    Conclusions:

    • Higher-dimensional quantum systems offer enhanced security in quantum cryptography.
    • The generalized eavesdropping transformation provides a powerful tool for analyzing security in various quantum protocols.
    • The findings contribute to a deeper understanding of fundamental limits in quantum information processing and security.