This $299,861 National Science Foundation project grant supports the development of diamond-based heterogeneous quantum materials platforms through direct bonding of diamond membranes at the University of Chicago from February 1, 2023 to January 31, 2025. Funded under the NSF Engineering program (CFDA 47.041), this Early-Concept Grant for Exploratory Research aims to optimize the direct bonding process to preserve the surfaces of diamond and other materials while preventing degradation of quantum states within diamond. The research will manufacture heterogeneous quantum material platforms incorporating diamond using wafer bonding techniques. It will focus on determining the surface chemistry and processing conditions necessary to controllably bond diamond membranes to lithium niobate photonic circuits and glass substrates. This is expected to vastly improve the scalability of diamond-based quantum technologies including quantum sensing and communication.
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