Phonon Signatures in Photon Correlations

We show that the second-order, two-time correlation functions for phonons and photons emitted from a vibronic molecule in a thermal bath result in bunching and antibunching (a purely quantum effect), respectively. Signatures relating to phonon exchange with the environment are revealed in photon-pho...

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Bibliographic Details
Published in:Physical review letters 2023-10, Vol.131 (14), p.143601-143601, Article 143601
Main Authors: Humphries, Ben S., Green, Dale, Borgh, Magnus O., Jones, Garth A.
Format: Article
Language:English
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Summary:We show that the second-order, two-time correlation functions for phonons and photons emitted from a vibronic molecule in a thermal bath result in bunching and antibunching (a purely quantum effect), respectively. Signatures relating to phonon exchange with the environment are revealed in photon-photon correlations. We demonstrate that cross-correlation functions have a strong dependence on the order of detection giving insight into how phonon dynamics influences the emission of light. This work offers new opportunities to investigate quantum effects in condensed-phase molecular systems.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.131.143601