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

Slow light in periodic superstructure Bragg gratings.

D Janner1, G Galzerano, G Della Valle

  • 1Dipartimento di Fisica and Istituto di Fotonica e Nanotecnologie del CNR, Politecnico di Milano, Piazza L. da Vinci 32, I-20133 Milano, Italy.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|December 31, 2005
PubMed
Summary

Researchers analyzed group velocity reduction in periodic superstructure Bragg gratings. They experimentally demonstrated this reduction for optical communication wavelengths using Moiré fiber gratings.

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

Assessment of risk factors for surgical site infection following tibial plateau levelling osteotomy: a systematic review and meta-analysis.

The Journal of small animal practice·2026
Same author

Functional and nutritional properties of fava bean ingredients processed by extrusion.

Food research international (Ottawa, Ont.)·2025
Same author

Watt-level single-frequency optical parametric oscillator around 2 µm.

Optics letters·2024
Same author

Automated segmentation in pelvic radiotherapy: A comprehensive evaluation of ATLAS-, machine learning-, and deep learning-based models.

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB)·2024
Same author

Evaluation of extruded starch foam for glucose-supplying biomaterials.

Carbohydrate polymers·2024
Same author

Detection of anti-HEV antibodies but no molecular positivity in dogs in the Campania region, southern Italy.

One health (Amsterdam, Netherlands)·2024

Area of Science:

  • Photonics and optical engineering
  • Condensed matter physics
  • Wave propagation phenomena

Background:

  • Periodic structures like Bragg gratings are crucial for controlling light propagation.
  • Understanding and manipulating the group velocity of light is essential for optical communication systems.
  • Superstructure gratings offer enhanced control over optical properties compared to simple gratings.

Purpose of the Study:

  • To theoretically analyze group velocity reduction in periodic superstructure Bragg gratings.
  • To experimentally demonstrate significant group velocity reduction.
  • To achieve this reduction at wavelengths relevant to optical communications.

Main Methods:

  • Theoretical modeling of light propagation in periodic superstructure Bragg gratings.

Related Experiment Videos

  • Experimental fabrication and characterization of Moiré fiber gratings.
  • Measurement of pulse propagation characteristics to determine group velocity.

    • Main Results:

    • A comprehensive theoretical framework for group velocity reduction was established.
    • Experimental demonstration of group velocity reduction was achieved using a Moiré fiber grating.
    • Successful reduction of group velocity for sub-nanosecond pulses at optical communication wavelengths.

    Conclusions:

    • Periodic superstructure Bragg gratings are effective for controlling light group velocity.
    • Moiré fiber gratings provide a viable platform for achieving significant group velocity reduction.
    • This work has implications for developing advanced optical communication technologies.