We would like to thank Mathew Denys. We would like to acknowledge fruitful discussions with Jevon Longdell. We would like to thank Joseph Borbely and the Measurement Standards Laboratory of New Zealand (MSL). We would like to thank Brent Pooley and Malcolm Reid for their help in determining the titanium dopant concentration. AG would like to thank the Chinese National Science Fund for Talent Training in the Basic Sciences (No.J1103208) for sponsoring his visit to Otago. DVS and HGLS would like to thank the Ministry of Business, Innovation and Employment Catalyst Leaders fellowship (20-UOO-001-ILF).

This zip file contains the set of data and python notebook files used to plot the data that is presented in the Figures of the paper titled, "Ultra-Low Threshold Titanium-Doped Sapphire Whispering-Gallery Laser".