Before the deposition on the Er:Al2O3 Lively material, the coupling circuit, i.e., the strip waveguides, the mode transition tapers along with the manner converters were coated by using a 800 nm thick layer of hydrogen silsesquioxane (HSQ, n ~one.45) to circumvent their coating Using the Energetic content, as revealed in https://johnnieb221rfs7.dreamyblogs.com/profile