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The manipulation of molecular excited state processes through strong coupling has attracted significant interest for its potential to provide precise control of photochemical phenomena. However, the key limiting factor for achieving this…

Strong light-matter coupling to form exciton- and vibropolaritons is increasingly touted as a powerful tool to alter the fundamental properties of organic materials. It is proposed that these states and their facile tunability can be used…

Organic semiconductors exhibit properties of individual molecules and extended crystals simultaneously. The strongly bound excitons they host are typically described in the molecular limit, but excitons can delocalize over many molecules,…

Polaritons, formed as a result of strong hybridization of matter with light, are promising for important applications including organic solar cells, optical logic gates, and qubits. Owing to large binding energies of Frenkel excitons…

We consider a semiconductor polymer chain coupled to a single electromagnetic mode in a cavity. The excitations of the chain have a mixed exciton-photon character and are described as polaritons. Polaritons are coupled to the lattice by the…

Mesoscale and Nanoscale Physics · Physics 2007-06-13 M. V. Katkov , Y. V. Pershin , C. Piermarocchi

Exciton-polaritons in organic materials are hybrid states that result from the strong interaction of photons and the bound excitons that these materials host. Organic polaritons hold great interest for optoelectronic applications, however…

Recent experiments have demonstrated strong light-matter coupling between electromagnetic nanoresonators and pristine sheets of two-dimensional semiconductors, and it has been speculated whether these systems can enter the quantum regime…

Quantum Physics · Physics 2022-02-23 E. V. Denning , M. Wubs , N. Stenger , J. Mork , P. T. Kristensen

Collective electronic excitations "excitons" in planar optical lattices exhibit strong modifications of the radiative damping rate and directional emission pattern as compared to a single excited atom. Excitons for long wave numbers and…

Quantum Physics · Physics 2011-06-27 Hashem Zoubi , Helmut Ritsch

Recently, we predicted theoretically that in cavities that support several longitudinal modes, strong coupling can occur in very different manners, depending on the system parameters. Distinct longitudinal cavity modes are either entangled…

Quantum Physics · Physics 2023-10-10 M. Godsi , A. Golombek , M. Balasubrahmaniyam , T. Schwartz

Attachment of chemical substituents (such as polar moieties) constitutes an efficient and convenient way to modify physical and chemical properties of conjugated polymers and oligomers. Associated modifications in the molecular electronic…

Chemical Physics · Physics 2016-12-13 Hao Li , Michael J. Catanzaro , Sergei Tretiak , Vladimir Y. Chernyak

Condensation of bosons causes spectacular phenomena such as superfluidity or superconductivity. Understanding the nature of the condensed particles is crucial for active control of such quantum phases. Fascinating possibilities emerge from…

Materials Science · Physics 2016-05-18 J. -M. Mènárd , C. Poellmann , M. Porer , U. Leierseder E. Galopin , A. Lemaître , A. Amo , J. Bloch , R. Huber

We consider the scenario of excitons in a semiconductor bilayer that are strongly coupled to cavity photons, leading to the formation of dipolar exciton polaritons (dipolaritons). Using a realistic pseudopotential for the dipolar…

Mesoscale and Nanoscale Physics · Physics 2026-02-27 Yasufumi Nakano , Olivier Bleu , Brendan C. Mulkerin , Jesper Levinsen , Meera M. Parish

We consider exciton polaritons in a semiconductor microcavity with a saturable absorber in the growth direction of the heterostructure. This feature promotes additional nonlinear losses of the system with the emergence of bistability of the…

Mesoscale and Nanoscale Physics · Physics 2015-08-12 D. V. Karpov , I. G. Savenko , H. Flayac , N. N. Rosanov

In this review we look at the concepts and state-of-the-art concerning the strong coupling of surface plasmon-polariton modes to states associated with quantum emitters such as excitons in J-aggregates, dye molecules and quantum dots. We…

Optics · Physics 2015-01-19 P. Törmä , W. L. Barnes

The region surrounding the excitonic insulator phase is a three-component plasma composed of electrons, holes, and excitons. Due to the extended nature of the excitons, their presence influences the surrounding electrons and holes. We…

Strongly Correlated Electrons · Physics 2015-06-22 B Zenker , D Ihle , F X Bronold , H Fehske

The spontaneous interlayer phase coherent (111) state of bi-layer Quantum Hall system at filling factor $\nu=1$ may be viewed as a condensate of interlayer particle-hole pairs or excitons. We show in this paper that when the layers are…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Kun Yang

We report direct evidence for macroscopic coherence in a condensate of dark dipolar excitons in coupled quantum wells and show that its formation follows a non-equilibrium, driven-dissipative mechanism. The condensation transition is…

Mesoscale and Nanoscale Physics · Physics 2026-05-12 Amit Jash , Maheswar Swar , Uri Shimon , Vladimir Umansky , Israel Bar-Joseph

Dipolaritons are a three-way superposition of photon, a direct exciton, and an indirect exciton that are formed in coupled quantum well microcavities. As is the case with exciton-polaritons, dipolaritons have a self-interaction due to…

Quantum Gases · Physics 2014-10-01 Tim Byrnes , German V. Kolmakov , Roman Ya. Kezerashvili , Yoshihisa Yamamoto

A quantum dot strongly coupled to a photonic crystal has been recently proposed as a source of entangled photon pairs [R. Johne et al., Phys. Rev. Lett. 100, 240404 (2008)]. The biexction decay via intermediate polariton states can be used…

Quantum Physics · Physics 2015-05-13 Robert Johne , Nikolay A. Gippius , Guillaume Malpuech

A strong coherent superposition is shown to be induced between the energy states of a two-level emitter immersed in a surface plasmon polariton evanescently confined to a small metallic ring. It turns out that there is nearly equal chance…

Mesoscale and Nanoscale Physics · Physics 2013-04-02 Sintayehu Tesfa , Ali A. Kamli