Investigation of wavelength-tunable supercontinuum light sources
The supercontinuum phenomenon has drawn great research attention since its discovery. In general, supercontinuum is resulted from the synergy of some fundamental complex nonlinear processes. Although theses contributors are already indentified to be group-velocity dispersion, self-phase mod...
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| Format: | Final Year Project |
| Language: | English |
| Published: |
2013
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10356/54576 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | The supercontinuum phenomenon has drawn great research attention since its discovery.
In general, supercontinuum is resulted from the synergy of some fundamental complex
nonlinear processes. Although theses contributors are already indentified to be
group-velocity dispersion, self-phase modulation, cross-phase modulation, stimulated
Raman scattering, four-wave mixing and higher-order dispersion, their relative functions
during the process still remain blurry. In order to identify the functions of each process
and make foundation for supercontinuum light sources. Theoretical study and modeling
are conducted under the framework of nonlinear fiber optic and the numerical modeling
are performed on the MATLAB platform. The simulations conducted presents symmetry
and asymmetry in different set-ups. And pulse’s red-shift and blue-shift are identified in
the results of the simulations. Discussions are made upon these findings. Furthermore,
based on these findings, a method to control supercontinuum generation is brought
forward. |
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