Prior to the deposition on the Er:Al2O3 Lively material, the coupling circuit, i.e., the strip waveguides, the mode changeover tapers and the mode converters have been protected which has a 800 nm thick layer of hydrogen silsesquioxane (HSQ, n ~1.45) to stop their coating Along with the Lively material, as https://normans978mhy1.bleepblogs.com/profile