Optical Microresonators for Integrated Sensors and Devices

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Integrated optical micro resonators are the core of this research program. These devices exhibit a very high level of temporal and spatial light confinement thanks to their extremely high-Quality (Q) factor and very small modal volumes (V) respectively.***This proposal targets two specific types of optical micro resonators: in-plane Fabry-Perot cavities on chip (1) and chalcogenide glass whispering gallery mode (WGM) microcavities (2) and to bring them to a higher level of integration on chip. Therefore, we propose to develop new integration approaches and to apply them to the two types of microresonators. The in-plane Fabry-Perot cavity on chip will be the basic element for an optical nose serving biomedical and environmental applications.The chalcogenide glass WGM resonator will pave the way for the generation of mid-IR light required in spectroscopy and biosensing applications. ***While the integration technology that we will develop will be directly applied through the two types of optical microresonators for environmental and biomedical applications, the benefit of the developed technology is intended to serve much wider application areas covering any type of integrated sensors and systems in fields as diverse as electronics, photonics and biotechnology.**