Abstract
The advances in photonic integrated circuits (PICs) have been quite dramatic, revolutionizing the speed and the capability of computing and communications. However, the commercial platforms to produce PICs are complex, expensive, and present environmental drawbacks for the carbon footprint associated with deployment, manufacturing, and recycling issues. Therefore, today's ever-increasing demand for sustainable technologies led to the fabrication of cost-effective PICs using sol–gel derived organic–inorganic hybrid materials, which have received increasing attention in the last few years. This chapter will focus on examples of organic–inorganic hybrids that can be used as PIC substrates for the next generation of optical devices. Emphasis will be given to passive and active optical architectures for optical communications and sensing applications.
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