This National Science Foundation Project Grant award of $600,000 supports research into nonlinear photon interactions in cooperative quantum optical systems from September 1, 2022 through August 31, 2025. The award is made under the Mathematical and Physical Sciences program (CFDA 47.049), which aims to advance scientific knowledge and understanding in these fields.
Specifically, the funding will allow the awardee, President and Fellows of Harvard College operating as Harvard University, to investigate how nonlinear materials can facilitate photon-photon interactions and how photons can control cooperative materials. The research introduces a novel interaction platform using intrinsically nonlinear quantum media like cooperative and subradiant atom arrays. Impurities added to cooperative arrays may function as "quantum antennas" enabling stronger interactions between photons coupling to multiple impurities. Integration of Rydberg levels or zero-index materials could further enhance nonlinearities. The work seeks to answer how these concepts can be experimentally implemented and what applications may emerge in fields like quantum information processing, metrology, and quantum metamaterials.
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