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Enhanced bandwidth of supercontinuum generated in microstructured fibers
Optics Express
|June 2, 2009
Summary
Broadening supercontinuum generation in microstructured fibers is achieved using a tailored dispersion profile. This design amplifies dispersive waves, enhancing the visible and infrared spectral bandwidth for advanced optical applications.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Supercontinuum generation is crucial for various optical applications.
- Microstructured fibers offer unique light-matter interaction properties.
- Controlling fiber dispersion is key to tailoring supercontinuum spectra.
Purpose of the Study:
- To experimentally demonstrate enhanced supercontinuum bandwidth generation.
- To investigate the effect of a tailored dispersion profile on supercontinuum.
- To analyze the physics of broad continuum formation in designed microstructured fibers.
Main Methods:
- Fabrication of microstructured fibers with a specific dispersion profile.
- Experimental generation and characterization of supercontinuum.
- Numerical simulations to confirm experimental observations.
Main Results:
- Achieved significant enhancement in supercontinuum bandwidth.
- Demonstrated amplification of two dispersive waves at visible and infrared wavelengths.
- Identified two zero-dispersion wavelengths separated by over 700 nm.
Conclusions:
- Tailored dispersion profiles in microstructured fibers effectively enhance supercontinuum bandwidth.
- The amplification of dispersive waves is a key mechanism for broad continuum formation.
- Numerical simulations validate the experimental findings and underlying physics.
