We demonstrate frequency comb generation via four-wave-mixing in crystalline MgF2 whispering-gallery mode resonators. More than 800 comb lines spaced by 43 GHz are observed. Second order autocorrelation is performed for time-domain characterization. 2010 Optical Society of America
Tobias Kippenberg, Michail Zervas, Bahareh Ghadiani, Junqiu Liu, Maxim Karpov, Hairun Guo, Martin Hubert Peter Pfeiffer, Arslan Sajid Raja, Nils Johan Engelsen, Botao Du
Tobias Kippenberg, Maxim Karpov, Martin Hubert Peter Pfeiffer, Arne Kordts, Yan Yan, Zhe Zhao, Long Li, Lin Zhang, Amirhossein Mohajerin Ariaei