Before the deposition of your Er:Al2O3 Lively materials, the coupling circuit, i.e., the strip waveguides, the mode transition tapers plus the manner converters were coated by using a 800 nm thick layer of hydrogen silsesquioxane (HSQ, n ~one.forty five) to prevent their coating Together with the Lively material, as shown https://herbertl023jjh5.wannawiki.com/user