This National Science Foundation (NSF) Mathematical and Physical Sciences (CFDA 47.049) Project Grant awarded to Yale University for $420,000 aims to develop cutting-edge materials systems consisting of rare-earth ions doped into functional polar transition metal oxides, such as erbium-doped barium titanate, for advanced optical and electro-optical applications. The 3-year project from August 2024 to July 2027 will leverage novel materials design, synthesis, and characterization techniques to integrate the versatile functional properties of these complex oxides into photonic integrated circuits. The research seeks to provide insights for designing highly efficient solid-state lasers, non-linear frequency conversion devices, and active optical waveguides and isolators based on the barium titanate platform, with the goal of enabling ultracompact, low-energy consumption integrated photonic circuits. No sub-awards are planned under this grant.
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