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

Mode-locked two-photon states.

Y J Lu1, R L Campbell, Z Y Ou

  • 1Department of Physics, Indiana University-Purdue University Indianapolis, 402 North Blackford Street, Indianapolis, Indiana 46202, USA.

Physical Review Letters
|November 13, 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

Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector.

Physical review letters·2023
Same author

Measurement of Suppression of Large-Radius Jets and Its Dependence on Substructure in Pb+Pb Collisions at sqrt[s_{NN}]=5.02  TeV with the ATLAS Detector.

Physical review letters·2023
Same author

Measurement of the Sensitivity of Two-Particle Correlations in pp Collisions to the Presence of Hard Scatterings.

Physical review letters·2023
Same author

Observation of the γγ→ττ Process in Pb+Pb Collisions and Constraints on the τ-Lepton Anomalous Magnetic Moment with the ATLAS Detector.

Physical review letters·2023
Same author

Observation of an Excess of Dicharmonium Events in the Four-Muon Final State with the ATLAS Detector.

Physical review letters·2023
Same author

Strong Constraints on Jet Quenching in Centrality-Dependent p+Pb Collisions at 5.02 TeV from ATLAS.

Physical review letters·2023
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

Mode locking in lasers is applied to create frequency-entangled two-photon states. These states show a comb-like correlation function, confirmed by Hong-Ou-Mandel interference experiments.

Area of Science:

  • Quantum optics
  • Laser physics
  • Quantum information science

Background:

  • Mode locking is a technique used to generate ultrashort pulses in lasers.
  • Frequency entanglement is a key property for quantum information processing.
  • Parametric down conversion is a nonlinear optical process used to generate entangled photon pairs.

Purpose of the Study:

  • To apply the concept of laser mode locking to generate frequency-entangled two-photon states.
  • To investigate the correlation properties of these mode-locked two-photon states.
  • To demonstrate a method for engineering quantum states in the time domain.

Main Methods:

  • Cavity-enhanced spontaneous parametric down conversion (CESPDC) was used to produce the two-photon state.
  • A Hong-Ou-Mandel interferometer was employed to measure the correlation function of the generated state.

Related Experiment Videos

  • The experiment utilized an unbalanced interferometer setup.

    • Main Results:

    • CESPDC successfully generated a mode-locked two-photon state with frequency entanglement.
    • The mode-locked two-photon state exhibited a comblike correlation function.
    • A revival of the typical interference dip was observed in the Hong-Ou-Mandel experiment, confirming the state's properties.

    Conclusions:

    • The study demonstrates the successful generation and characterization of mode-locked two-photon states with frequency entanglement.
    • The results highlight the potential of CESPDC for creating tailored quantum states.
    • A scheme for engineering quantum states in the time domain was discussed, paving the way for advanced quantum technologies.