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Polaritons are compositional light-matter quasiparticles that arise as a result of strong coupling between a vacuum field of a resonant optical cavity and electronic excitations in quantum emitters. Reaching such a regime is often hard, as…

Evidence is presented for energy exchange between surface plasmon polaritons (SPPs) excited in waveguide-coupled Ag/Si3N4/Au structures and CdSe/ZnS quantum dot (QD) emitters. The QD dispersion is coated on the surface of Ag/Si3N4/Au…

Applied Physics · Physics 2020-07-09 Kunal Tiwari , Suresh C Sharma , Hussein Akafzade , Nader Hozhabri

Exciton-polariton solitons are strongly nonlinear quasiparticles composed of coupled exciton-photon states due to the interaction of light with matter. In semiconductor microcavity systems such as semiconductor micro and nanowires,…

Mesoscale and Nanoscale Physics · Physics 2021-07-14 E. Nji Nde Aboringong , I. Ngek Ndifon , Alain M. Dikandé

In this technical note we calculate the strength of the expected Rabi splitting for a molecular resonance. By way of an example we focus on the molecular resonance associated with the C=O bond, specifically the stretch resonance at…

Chemical Physics · Physics 2023-07-07 William Leslie Barnes

Very efficient amplification of light-matter waves (polaritons), that are a superposition of cavity photons and excitons [1] has recently been reported[2-11]. The optical gain curve versus the pump power shows a threshold and then saturates…

Materials Science · Physics 2007-05-23 S. Savasta , O. Di Stefano , R. Girlanda

We report on novel exciton-polariton routing devices created to study and purposely guide light-matter particles in their condensate phase. In a co-directional coupling device, two waveguides are connected by a partially etched section…

In this paper, we investigate the possibility to excite Bloch surface waves (BSWs) on the tip of single-mode optical fibers. Within this framework, after exploring an idealized, proof-of-principle grating-coupling-based scheme for on-tip…

In this study, optically responsive exciton-polariton were generated via strong coupling between DR1 molecules and an F-P microcavity. An electromagnetically induced grating (EIG) was constructed using two-beam interference to investigate…

Optics · Physics 2025-06-10 Xiaotong Bu , Jingsong Yuan , Chunliang Wang

Quantifying the spin-spin interactions which influence electronic transitions in organic semiconductors is crucial for understanding their magneto-optoelectronic properties. By combining a theoretical model for three spin interactions in…

Materials Science · Physics 2015-02-20 W. J. Baker , T. L. Keevers , C. Boehme , D. R. McCamey

The light-matter coupling between electromagnetic modes guided by a semiconductor nanowire and excitonic states of molecules localized in its surrounding media is studied from both classical and quantum perspectives, with the aim of…

The interaction between coherent polaritons and incoherent excitons plays an important role in polariton physics. Using resonant pump-probe spectroscopy with selective excitation of single polariton branches, we investigate the different…

Mesoscale and Nanoscale Physics · Physics 2016-11-16 N. Takemura , M. D. Anderson , S. Biswas , M. Navadeh-Toupchi , D. Y. Oberli , M. T. Portella-Oberli , B. Deveaud

In this work electronic structures and optical properties of organic-inorganic exciton and polaritons in two-dimensional heterostructures combining both organic and semiconductor materials are studied. In those systems, Wannier-Frenkel…

Mesoscale and Nanoscale Physics · Physics 2019-12-18 David W. Facemyer , Nguyen Que Huong

The coupling between propagating surface plasmon polaritons (SPPs) in Au nanostructures and the exciton transitions of cyanine dye J-aggregates has been examined using leakage radiation microscopy. Real space images of the nanostructures…

We provide a simple method that enables readily acquired experimental data to be used to predict whether or not a candidate molecular material may exhibit strong coupling. Specifically, we explore the relationship between the hybrid…

We describe exciton-polariton modes formed by the interaction between excitons in a 2D layer of a transition metal dichalcogenide embedded in a cylindrical microcavity and the microcavity photons. For this, an expression for the excitonic…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 José Nuno S. Gomes , Carlos Trallero-Giner , Nuno M. R. Peres , Mikhail I. Vasilevskiy

Here we report the fabrication and optical characterization of organic microcavities containing liquid-crystalline conjugated polymers (LCCPs): poly(9,9-dioctylfluorene-co-benzothiadiazole) (F8BT), poly(9,9-dioctylfluorene) (PFO) and…

Applied Physics · Physics 2020-03-02 F. Le Roux , R. A. Taylor , D. D. C. Bradley

The strong coupling between photons and matter excitations such as excitons, phonons, and magnons is of central importance in the study of light-matter interactions. Bridging the flying and stationary quantum states, the strong light-matter…

A single nanotube synthesized from a transition metal dichalcogenide (TMDC) exhibits strong exciton resonances and, in addition, can support optical whispering gallery modes. This combination is promising for observing exciton-polaritons…

Mesoscale and Nanoscale Physics · Physics 2024-01-17 A. I. Galimov , D. R. Kazanov , A. V. Poshakinskiy , M. V. Rakhlin , I. A. Eliseyev , A. A. Toropov , M. Remskar , T. V. Shubina

Meta--surfaces are the bidimensional analogue of metamaterials. They are made on resonant elements periodically disposed on a surface. They have the ability of controlling the polarization of light and to generalized refraction laws as…

Mesoscale and Nanoscale Physics · Physics 2014-11-25 Didier Felbacq

We present a method to implement 3-dimensional polariton confinement with in-situ spectral tuning of the cavity mode. Our tunable microcavity is a hybrid system consisting of a bottom semiconductor distributed Bragg reflector (DBR) with a…