Shams-Ansari, AmirhassanHuang, GuanhaoHe, LingyanChuraev, MikhailKharel, PrashantaTan, ZelinHolzgrafe, JeffreyCheng, RebeccaZhu, DiLiu, JunqiuDesiatov, BorisZhang, MianKippenberg, Tobias J.Loncar, Marko2022-09-122022-09-122022-09-122021-01-0110.1364/CLEO_SI.2021.STh4J.4https://infoscience.epfl.ch/handle/20.500.14299/190656WOS:000831479802050We measured the absorption-limited loss at telecommunication wavelengths for thin-film lithium niobate micro-ring resonators using Kerr-calibrated linear response technique. We find the average absorption loss-rate kappa(abs)/2 pi to be 3.65 +/- 0.70 MHz, corresponding to a Q-factor of 55 Million. (c) 2021 The Author(s)Engineering, Electrical & ElectronicOpticsPhysics, AppliedEngineeringPhysicstext::conference output::conference proceedings::conference paper