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

Superfluorescence-stimulated photon echoes.

A I Lvovsky1, S R Hartmann, F Moshary

  • 1Department of Physics, Columbia University, New York, New York 10027, USA. Alex.Lvovsky@uni-konstanz.de

Physical Review Letters
|December 18, 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

Tsang's resolution enhancement method for imaging with focused illumination.

Light, science & applications·2025
Same author

Spontaneous symmetry breaking of an optical polarization state in a polarization-selective nonlinear resonator.

Optics letters·2025
Same author

Role of spatial coherence in diffractive optical neural networks.

Optics express·2024
Same author

Superresolution Linear Optical Imaging in the Far Field.

Physical review letters·2022
Same author

Quantum-enhanced interferometry with large heralded photon-number states.

NPJ quantum information·2021
Same author

Effect of Phosphatidylcholine Nanosomes on Phospholipid Composition of the Plasma Membranes in Liver Cells and Blood Serum in Experimental Atherosclerosis.

Bulletin of experimental biology and medicine·2020
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

Researchers observed a novel echo effect in Rubidium vapor. This phenomenon, induced by spontaneous relaxation, involves superfluorescence and is influenced by Doppler dephasing and rephasing dynamics.

Area of Science:

  • Atomic physics
  • Quantum optics
  • Laser spectroscopy

Background:

  • Two-photon resonant excitation is a key technique in atomic physics.
  • Superfluorescence is a coherent and amplified spontaneous emission.
  • Echo effects in spectroscopy typically involve stimulated emission processes.

Purpose of the Study:

  • To investigate the generation of conical superfluorescence echo in Rubidium vapor.
  • To explore the role of spontaneous relaxation in inducing echo phenomena.
  • To analyze the influence of Doppler dephasing and rephasing on superfluorescence echo intensity.

Main Methods:

  • Utilizing two closely spaced 778 nm, 4-ps laser pulses for two-photon excitation of the 5S-5D transition in Rb vapor.
  • Generating a ground state grating through the initial excitation pulses.

Related Experiment Videos

  • Exciting the ground state grating with a third pulse to produce superfluorescence echo.
  • Analyzing the intensity of the 420-nm superfluorescence echo as a function of the relative delay between excitation pulses.

    • Main Results:

    • Observed conical yoked superfluorescence echo on the 5S-6P, 420-nm transition in Rb vapor.
    • Demonstrated that the echo intensity is governed by Doppler dephasing and rephasing dynamics.
    • Reported the first observation of an echo effect induced by a spontaneous relaxation process.

    Conclusions:

    • The study successfully generated and characterized a novel superfluorescence echo in Rubidium vapor.
    • Doppler dephasing and rephasing play a crucial role in the observed echo dynamics.
    • This work presents the first instance of an echo effect driven by spontaneous relaxation, opening new avenues in coherent spectroscopy.