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The influence of Raman scattering and higher order dispersions on solitons and frequency comb generation in silica microring resonators is investigated. The Raman effect introduces a threshold value in the resonator quality factor above which the frequency-locked solitons cannot exist, and instead, a rich dynamics characterized by generation of self-frequency-shifting solitons and dispersive waves is observed. A mechanism for broadening the Cherenkov radiation through Hopf instability of the frequency-locked solitons is also reported.
|Pages (from-to)||1 - 9|
|Number of pages||9|
|Journal||Physical Review A: Atomic, Molecular, and Optical Physics|
|Publication status||Published - 28 Sep 2015|