Enhanced Raman Scattering from Vibro-Polariton Hybrid States.

ABSTRACT: Ground-state molecular vibrations can be hybridized through strong coupling with the vacuum field of a cavity optical mode in the infrared region, leading to the formation of two new coherent vibro-polariton states. The spontaneous Raman scattering from such hybridized light-matter states was studied, showing that the collective Rabi splitting occurs at the level of a single selected bond. Moreover, the coherent nature of the vibro-polariton states boosts the Raman scattering cross-section by two to three orders of magnitude, revealing a new enhancement mechanism as a result of vibrational strong coupling. This observation has fundamental consequences for the understanding of light-molecule strong coupling and for molecular science.

SUBMITTER: Shalabney A 

PROVIDER: S-EPMC4515085 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature