5 SIMPLE TECHNIQUES FOR SLOT432

Previous to the deposition in the Er:Al2O3 active substance, the coupling circuit, i.e., the strip waveguides, the mode changeover tapers as well as the mode converters ended up coated having a 800 nm thick layer of hydrogen silsesquioxane (HSQ, n ~one.45) to circumvent their coating Along with the active material, as revealed in Fig. 1. The H