Soliton generation in CaF${}_2$ crystalline whispering gallery mode resonators with negative thermal-optical effects

Mingfei Qu, Chenhong Li, Kangqi Liu +4

Calcium fluoride (CaF${}_2$) crystalline whispering gallery mode resonators (WGMRs) exhibit ultrahigh intrinsic quality factors and a low power anomalous dispersion in the communicat…