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Experimental studies indicate that optical cavities can affect chemical reactions, through either vibrational or electronic strong coupling and the quantized cavity modes. However, the current understanding of the interplay between…

Polaritons are quantum mechanical superpositions of photon states with elementary excitations in molecules and solids. The light-matter admixture causes a characteristic frequency-momentum dispersion shared by all polaritons irrespective of…

Dressing quantum states of matter with virtual photons can create exotic effects ranging from vacuum-field modified transport to polaritonic chemistry, and may drive strong squeezing or entanglement of light and matter modes. The…

Quantum Physics · Physics 2023-09-14 J. Mornhinweg , L. Diebel , M. Halbhuber , M. Prager , J. Riepl , T. Inzenhofer , D. Bougeard , R. Huber , C. Lange

We theoretically study how the peculiar properties of the vacuum state of an ultra-strongly coupled system can affect basic light-matter interaction processes. In this unconventional electromagnetic environment, an additional emitter no…

Quantum Physics · Physics 2025-03-06 Daniele De Bernardis , Gian Marcello Andolina , Iacopo Carusotto

Polaritonic chemistry has become a rapidly developing field within the last few years. A multitude of experimental observations suggest that chemical properties can be fundamentally altered and novel physical states appear when matter is…

Mesoscale and Nanoscale Physics · Physics 2020-11-09 Dominik Sidler , Christian Schäfer , Michael Ruggenthaler , Angel Rubio

This study investigates the dynamic behavior of polaritons in an optical cavity containing one million molecules, emphasizing the influence of molecular rotation and level disorder on the coupling between molecules and photons. Through…

Optics · Physics 2024-02-22 Wei Liu , Jingqi Chen , Wenjie Dou

Quantum dynamics of the photoisomerization of a single 3,3'-diethyl-2,2'-thiacynine iodide molecule embedded in an optical microcavity was theoretically studied. The molecule was coupled to a single cavity mode via the quantum Rabi…

Quantum Physics · Physics 2019-10-01 Juan B. Pérez-Sánchez , Joel Yuen-Zhou

Several years ago, it was shown that strong coupling between an electronic transition in organic molecules and a resonant photonic structure can modify the electronic landscape of the molecules and affect their chemical behavior. Since…

We demonstrate a new type of transition within the strong coupling regime, which alters the coupling mechanism in multimode cavities. We show that this transition drastically modifies the Hamiltonian describing the polaritons, such that…

Mesoscale and Nanoscale Physics · Physics 2021-06-16 M. Balasubrahmaniyam , C. Genet , T. Schwartz

Recent advancements on the fabrication of organic micro- and nanostructures have permitted the strong collective light-matter coupling regime to be reached with molecular materials. Pioneering works in this direction have shown the effects…

Strong coupling between various kinds of material excitations and optical modes has recently shown potential to modify chemical reaction rates in both excited and ground states. The ground-state modification in chemical reaction rates has…

The experimental realization of strong light-matter coupling with molecules initiated the rapidly evolving field of molecular polaritonics. Most studies focus on how exciton polaritons, which combine electronic excitations with confined…

Chemical Physics · Physics 2025-09-10 Lucas Borges , Thomas Schnappinger , Markus Kowalewski

Following experimental evidence that vibrational polaritons, formed from collective vibrational strong coupling (VSC) in optical microcavities, can modify ground-state reaction rates, a spate of theoretical explanations relying on…

Chemical Physics · Physics 2023-04-14 Matthew Du , Yong Rui Poh , Joel Yuen-Zhou

We investigate a cavity quantum electrodynamic effect, where the alignment of two-dimensional freely rotating optical dipoles is driven by their collective coupling to the cavity field. By exploiting the formal equivalence of a set of…

Quantum Physics · Physics 2017-08-02 Erika Cortese , Pavlos Lagoudakis , Simone De Liberato

Strong light-matter interactions in both the single-emitter and collective strong coupling regimes attract significant attention due to emerging quantum and nonlinear optics applications, as well as opportunities for modifying…

Mesoscale and Nanoscale Physics · Physics 2019-09-11 Tuomas P. Rossi , Timur Shegai , Paul Erhart , Tomasz J. Antosiewicz

Light-matter interactions can occur when an ensemble of molecular resonators is placed in a confined electromagnetic field. In the strong coupling regime the rapid exchange of energy between the molecules and the electromagnetic field…

Mesoscale and Nanoscale Physics · Physics 2020-08-10 Philip A. Thomas , Wai Jue Tan , Henry A. Fernandez , William L. Barnes

Exciton polaritons, arising from the interaction of electronic transitions with confined electromagnetic fields, have emerged as a powerful tool to manipulate the properties of organic materials. However, standard experimental and…

A theoretical framework is presented for the computation of rovibrational polaritonic states of a molecule in a lossless infrared (IR) microcavity. In the proposed approach the quantum treatment of the rotational and vibrational motion of…

Chemical Physics · Physics 2023-10-30 Tamás Szidarovszky

The interaction of atoms and molecules with quantum light as realized in cavities has become a highly topical and fast growing field of research. This interaction leads to the formation of hybrid light-matter states giving rise to new…

Chemical Physics · Physics 2022-12-15 Lorenz S. Cederbaum , Jacqueline Fedyk

Recent experiments have demonstrated that polariton formation provides a novel strategy for modifying local molecular processes when a large ensemble of molecules is confined within an optical cavity. Herein, a numerical strategy based on…

Chemical Physics · Physics 2025-05-16 Andres Felipe Bocanegra Vargas , Tao E. Li