Related Experiment Video
Updated: Jun 27, 2026
09:39
In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation
Published on: May 27, 2013
Efficient supercontinuum generations in silica suspended core fibers
Libin Fu1, Brian K Thomas, Liang Dong
1IMRA America Inc., 1044 Woodridge Avenue, Ann Arbor, MI 48105, USA.
Optics Express
|November 26, 2008
Summary
Highly nonlinear silica fibers generate octave-spanning supercontinua at low peak powers, enabling mode-locked fiber laser stabilization. The study details supercontinuum generation dynamics, soliton behavior, and dispersive wave interactions.
Area of Science:
- Nonlinear Optics
- Fiber Optics
- Laser Physics
Background:
- Photonic crystal fibers are commonly used for supercontinuum generation.
- Highly nonlinear fibers offer potential alternatives with unique properties.
Purpose of the Study:
- To experimentally investigate supercontinuum generation in highly nonlinear suspended core silica fibers.
- To assess their suitability as alternatives to photonic crystal fibers.
- To understand the underlying physical mechanisms of spectral broadening.
Main Methods:
- Experimental generation of supercontinuum spectra in suspended core silica fibers.
- Utilizing mode-locked fiber lasers with peak pump powers as low as 1-1.5 kW.
- Analyzing spectral evolution, soliton dynamics, and dispersive wave generation.
Main Results:
- Octave-spanning supercontinua generated at low pump powers (1-1.5 kW).
- Enabled efficient frequency comb (fceo) stabilization of mode-locked fiber lasers.
- Identified a two-phase growth process for the blue edge of the supercontinuum.
- Demonstrated pump power and order independence of fundamental solitons.
- Observed power transfer from solitons to dispersive waves and conditions for suppression of short-wavelength dispersive waves.
Conclusions:
- Suspended core silica fibers are effective for low-power supercontinuum generation and laser stabilization.
- The spectral dynamics are governed by dispersive wave generation and cross-phase modulation.
- Soliton behavior is robust, with power evolution dependent on phase-matching conditions.
Related Concept Videos
01:37Super-resolution Fluorescence Microscopy
Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been developed.
01:10Silica Gel Column Chromatography: Overview
Silica gel column chromatography is a technique for separating compounds using a column packed with silica gel as the stationary phase. This method relies on differences in the polarity of compounds. Based on their polarities, compounds move between the stationary phase (silica gel) and the mobile phase (the solvent), forming discrete bands in the column.
Polar components tend to bind strongly to the silica gel, causing them to move slowly through the column. In contrast, nonpolar compounds...
Polar components tend to bind strongly to the silica gel, causing them to move slowly through the column. In contrast, nonpolar compounds...
01:22Fiber Reinforced Concrete
Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
01:14Photoluminescence: Applications
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...