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Highly nonlinear bismuth-oxide fiber for smooth supercontinuum generation at 1.5 microm
Optics Express
|June 3, 2009
Summary
Highly nonlinear bismuth-oxide fiber generates smooth supercontinuum from 1200 nm to 1800 nm. This fiber also achieves ultrashort pulse compression, reducing 150-fs pulses down to 25 fs.
Area of Science:
- Nonlinear optics
- Optical fiber technology
- Materials science
Background:
- Supercontinuum generation is crucial for various photonic applications.
- Bismuth-oxide fibers offer unique nonlinear properties.
- Ultrashort pulse compression enables advanced laser systems.
Purpose of the Study:
- To demonstrate supercontinuum generation using short lengths of bismuth-oxide fiber.
- To achieve significant pulse compression via spectral broadening.
- To explore the potential of bismuth-oxide fibers for ultrafast optics.
Main Methods:
- Utilizing short segments (2 cm) of highly nonlinear bismuth-oxide fiber.
- Generating broadband supercontinuum spectra.
- Characterizing spectral broadening and pulse compression.
Main Results:
- Achieved smooth supercontinuum spanning 1200 nm to 1800 nm.
- Operated with low pulse energies (sub-0.5 nJ).
- Compressed 150-fs pulses down to 25 fs.
Conclusions:
- Short bismuth-oxide fibers are effective for generating broadband supercontinua.
- This method enables significant pulse compression for ultrafast applications.
- Bismuth-oxide fiber is a promising material for nonlinear optical devices.
