SLOT432 SECRETS

Ahead of the deposition with the Er:Al2O3 active materials, the coupling circuit, i.e., the strip waveguides, the method changeover tapers and the mode converters have been included with a 800 nm thick layer of hydrogen silsesquioxane (HSQ, n ~1.45) to stop their coating Using the Lively product, as shown in Fig. 1. The HSQ cladding was deposi