5 SIMPLE TECHNIQUES FOR SLOT432

Ahead of the deposition in the Er:Al2O3 active product, the coupling circuit, i.e., the strip waveguides, the manner changeover tapers plus the method converters were being covered using a 800 nm thick layer of hydrogen silsesquioxane (HSQ, n ~1.45) to stop their coating With all the active material, as shown in Fig. one. The HSQ cladding was