Author:
Tebeneva Tatiana S.,Shitikov Artem E.,Min’kov Kirill N.,Benderov Oleg V.,Lobanov Valery E.,Kaplunov Ivan A.,Bilenko Igor A.
Abstract
We have fabricated high-Q whispering gallery mode microresonators from crystalline germanium. The quality factor of 107 was demonstrated at the 2.68 µm pump wavelength which is to date the highest ever recorded for Ge microresonators.