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Enantiosensitive steering of free-induction decay

Research output: Contribution to journalArticlepeer-review

Margarita Khokhlova, Emilio Pisanty, Serguei Patchkovskii, Olga Smirnova, Misha Ivanov

Original languageEnglish
Article numbereabq1962
JournalScience Advances
Issue number24
Published15 Jun 2022

Bibliographical note

Funding Information: We acknowledge funding from Engineering and Physical Sciences Research Council (MURI-MIR EP/N018680/1); Deutsche Forschungsgemeinschaft (IV 152/6-2, SM 292/5-2, SPP 1840); and Horizon 2020 research and innovation (899794). M.K. acknowledges funding from the Alexander von Humboldt Foundation. E.P. acknowledges URF funding from the Royal Society. O.S. acknowledges HE ERC-2021-ADG 101054696 Ulisses. Publisher Copyright: Copyright © 2022 The Authors, some rights reserved


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King's Authors


Chiral discrimination, a problem of vital importance, has recently become an emerging frontier in ultrafast physics, with remarkable progress achieved in multiphoton and strong-field regimes. Rydberg excitations, unavoidable in the strong-field regime and intentional for few-photon processes, arise in all these approaches. Here, we show how to harness this ubiquitous feature by introducing a new phenomenon, enantiosensitive free-induction decay, steered by a tricolor chiral field at a gentle intensity, structured in space and time. We demonstrate theoretically that an excited chiral molecule accumulates an enantiosensitive phase due to perturbative interactions with the tricolor chiral field, resulting in a spatial phase gradient steering the free-induction decay in opposite directions for opposite enantiomers. Our work introduces a general, extremely sensitive, all-optical enantiosensitive detection technique that avoids strong fields and takes full advantage of recent advances in structuring light.

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