Journal
SCIENCE
Volume 368, Issue 6491, Pages 665-+Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aba3544
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Funding
- Roger Tsien Fellowship
- AFSOR WP [FA9550-17-1-0094]
- NSF CAREER Berard [DMR-1848215]
- AFOSR [DRCIP FA9550-18-1-0455]
- U.S. Department of Energy, Office of Science, Basic Energy Sciences, CPIMS Program under Early Career Research Program [DE-SC0019188 F R]
- Air Fared Office of Swear-fir Research award [FA9550-18-1-0289]
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Selective vibrational energy transfer between molecules in the liquid phase, a difficult process hampered by weak intermolecular forces, isachieved through polaritons formed by strong coupling between cavity photon modes and donor and acceptor molecules. Using pump-probe and two-dimensional infrared spectroscopy, we found that the excitation of the upper polariton, which is composed mostly of donors, can efficiently relax to the acceptors within-5 picoseconds. The energy-transfer efficiency can be further enhanced by increasing the cavity lifetime, suggesting that the energy transfer is a polaritonic process. This vibrational energy-transfer pathway opens doors for applications in remote chemistry, sensing mechanisms, and vibrational polariton condensation.
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