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 Video

Updated: May 13, 2026

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
08:23

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

Published on: September 30, 2019

Random-lasing-based distributed fiber-optic amplification.

Xin-Hong Jia1, Yun-Jiang Rao, Fei Peng

  • 1Key Lab of Optical Fiber Sensing & Communications, Education Ministry of China, University of Electronic Science & Technology of China, Chengdu, Sichuan 611731, China.

Optics Express
|March 14, 2013
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

PI3K/AKT/mTOR pathway and its related molecules participate in PROK1 silence-induced anti-tumor effects on pancreatic cancer.

Open life sciences·2023
Same author

Dynamics of bacterial community, metabolites profile and physicochemical characteristics during solid-state fermentation of soybean meal and corn mixed substrates inoculated with Bacillus pumilus and Limosilactobacillus fermentum.

Journal of the science of food and agriculture·2023
Same author

Quantification of cardiac iron in patients with thalassemia with 3-T MRI calibrated by 1.5-T MRI.

Acta radiologica (Stockholm, Sweden : 1987)·2023
Same author

Atrial cardiomyopathy and incident ischemic stroke risk: a systematic review and meta-analysis.

Journal of neurology·2023
Same author

Aneurysm wall enhancement, hemodynamics, and morphology of intracranial fusiform aneurysms.

Frontiers in aging neuroscience·2023
Same author

High-Strength Ductility Joining of Multicomponent Alloy to 304 Stainless Steel Using Laser Welding Technique.

Materials (Basel, Switzerland)·2023
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Distributed Raman amplification using random fiber lasers offers stable, low-noise performance. Backward random laser pumping shows lower gain and nonlinear impairment, making it suitable for long-distance fiber optic transmission.

Area of Science:

  • Optics and Photonics
  • Telecommunications Engineering

Background:

  • Distributed Raman amplification (DRA) is crucial for long-haul fiber optic communication.
  • Conventional pumping methods face limitations in gain stability and noise performance.

Purpose of the Study:

  • To experimentally investigate the gain and noise characteristics of DRA utilizing random fiber lasers (RFL).
  • To compare RFL-based DRA with traditional bi-directional pumping schemes.

Main Methods:

  • Experimental comparison of forward and backward RFL pumping against 1st and 2nd-order bi-directional pumping.
  • Analysis of averaged gain, gain fluctuation, nonlinear impairment, and effective noise figure (ENF).

Main Results:

  • Forward RFL pumping yields higher average gain but also greater gain fluctuation.

More Related Videos

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
09:19

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light

Published on: July 29, 2013

Related Experiment Videos

Last Updated: May 13, 2026

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
08:23

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

Published on: September 30, 2019

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
09:19

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light

Published on: July 29, 2013

  • Backward RFL pumping demonstrates lower average gain and reduced nonlinear impairment.
  • Forward RFL pumping achieves lower ENF compared to bi-directional pumping schemes (~2.3 dB vs 1st-order, ~1.3 dB vs 2nd-order).
  • RFL spectra and power exhibit remarkable stability against environmental temperature variations.

    • Conclusions:

    • Random-lasing-based DRA provides a stable and low-noise amplification solution.
    • RFLs offer unique advantages in temperature insensitivity, enhancing system reliability for long-distance transmission.