Related Experiment Video
Updated: Jun 23, 2026
12:21
Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
Published on: April 4, 2016
Ultrashort pulse propagation in air-silica microstructure fiber
Optics Express
|May 14, 2009
Summary
Supercontinuum generation in microstructure fibers is explored. Raman solitons and spectral changes are studied experimentally and numerically, showing good agreement and revealing early-stage nonlinear effects like intrapulse Raman scattering.
Area of Science:
- Nonlinear optics
- Optical fiber physics
Background:
- Air-silica microstructure fibers exhibit unique dispersive and nonlinear properties.
- These properties enable supercontinuum generation at low pulse energies.
Purpose of the Study:
- To comprehensively study the initial stages of supercontinuum generation.
- To quantify the influence of initial peak power on Raman soliton development.
- To determine the role of dispersion in spectral development near the zero dispersion point.
Main Methods:
- Experimental investigation of supercontinuum generation.
- Numerical simulations of nonlinear pulse propagation.
- Systematic variation of excitation wavelength and peak power.
Main Results:
- Good agreement between experimental and simulation results.
- Quantification of Raman soliton formation influenced by peak power.
- Observation of intrapulse Raman scattering and anti-Stokes generation at low power and short distances.
Conclusions:
- The study elucidates the fundamental processes governing early-stage supercontinuum generation.
- Dispersion and peak power critically influence spectral dynamics.
- Intrapulse Raman scattering and anti-Stokes generation are key mechanisms in the pre-supercontinuum regime.
