| Abstract [eng] |
This doctoral thesis is dedicated to address low bulk sensitivity and poor referencing capabilities of microring resonators. To overcome the latter various microring resonator geometries and concepts are investigated to increase the light and matter interactions. In this work numerical simulations of novel microring resonator geometries, based on modulation of the effective refractive index in the core material are presented. Here, subwavelength hollow core defects are introduced inside the core material to increase the surface area of the resonator and the light–matter interaction. In addition, to address devices where resonance shifts are too large to observe and absorbing materials are used, novel microring resonators with no free spectral range as well as resonators working with highly absorbing materials such as metals are shown. Finally, to simplify the detection mechanism, self-referencing sensors are processed and shown. |
