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This study presents the coherent and dissipative coupling realized in the hybrid photonic resonators that have been achieved via the constructive and destructive interference of the photonic resonator fields with the radiation of a common…

The system under consideration is a multi-component gas of interacting para- and orthoexcitons confined in a three dimensional potential trap. We calculate the spatially resolved optical emission spectrum due to interband transitions…

Quantum Gases · Physics 2010-08-11 S. Sobkowiak , D. Semkat , H. Stolz , Th. Koch , H. Fehske

Surface plasmon enhanced processes and hot-carrier dynamics in plasmonic nanostructures are of great fundamental interest to reveal light-matter interactions at the nanoscale. Using plasmonic tunnel junctions as a platform supporting both…

Excitons, electron-hole pairs bound by the Coulomb potential, are fundamental quasiparticles of coherent light-matter interaction energizing processes from photosynthesis to optoelectronics. Excitons are observed in semiconductors, and…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Xuefeng Cui , Cong Wang , Adam Argondizzo , Sean Garrett-Roe , Branko Gumhalter , Hrvoje Petek

Just as photons are the quanta of light, plasmons are the quanta of orchestrated charge-density oscillations in conducting media. Plasmon phenomena in normal metals, superconductors and doped semiconductors are often driven by…

Materials Science · Physics 2017-11-22 Dinh Van Tuan , Benedikt Scharf , Igor Žutić , Hanan Dery

We report on the principle and realization of an excitonic device: a ramp that directs the transport of indirect excitons down a potential energy gradient created by a perforated electrode at constant voltage. The device provides an…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 C. J. Dorow , Y. Y. Kuznetsova , J. R. Leonard , M. K. Chu , L. V. Butov , J. Wilkes , M. Hanson , A. C. Gossard

We present an exciton/lattice model of the electronic dynamics of primary photoexcitations in a polymeric semiconductor heterojunction which includes both polymer pi-stacking, energetic disorder, and phonon relaxation. Results from our…

Materials Science · Physics 2013-09-26 Eric R. Bittner , Carlos Silva

Strong-coupling between light and matter produces hybridized states (polaritons) whose delocalization and electromagnetic character allow for novel modifications in spectroscopy and chemical reactivity of molecular systems. Recent…

We present a detailed optical study of single crystal bismuth using infrared reflectivity and ellipsometry. Colossal changes in the plasmon frequency are observed as a function of temperature due to charge transfer between hole and electron…

Strongly Correlated Electrons · Physics 2009-11-13 Riccardo Tediosi , N. P. Armitage , E. Giannini , D. van der Marel

The light-mediated interaction of fermionic and bosonic excitations governs the optoelectronic properties of condensed matter systems. In photoexcited semiconductors, the coupling of electron-hole pairs (excitons) to coherent optical…

Achieving electrical injection of exciton-polaritons, half-light, half-matter quasiparticles arising from the strong coupling between photonic and excitonic resonances, is a crucial milestone to scale up polaritonic devices such as optical…

Optics · Physics 2022-09-14 Yutao Wang , Jingyi Tian , Maciej Klein , Giorgio Adamo , Son Tung Ha , Cesare Soci

Some optomechanical systems can be transparent to a probe field when a strong driving field is applied. These systems can provide an optomechanical analogue of electromagnetically-induced transparency (EIT). We study the transmission of a…

Quantum Physics · Physics 2014-08-20 Hui Wang , Xiu Gu , Yu-xi Liu , Adam Miranowicz , Franco Nori

Photogenerated excitonic ensembles confined in coupled GaAs quantum wells are probed by a complementary approach of emission spectroscopy and resonant inelastic light scattering. Lateral electrostatic trap geometries are used to create…

The main technological obstacle hampering the dissemination of modern optoelectronic devices operating with large light-matter coupling strength ${\Omega}$ is an in-depth comprehension of the carrier current extraction and injection from…

In this paper we consider dynamics of a molecular system subjected to external pumping by a light source. Within a completely quantum mechanical treatment, we derive a general formula, which enables to asses effects of different light…

Biological Physics · Physics 2012-01-30 Tomas Mancal , Leonas Valkunas

We investigate the absorption and transmission properties of a weak probe field in an atom opto-magnomechanics system. The system comprises an assembly of two-level atoms and a magnon mode within a ferrimagnetic crystal, which directly…

Quantum Physics · Physics 2024-12-10 Wenting Diao , Xi Wang , Ke Di , Yu Liu , Anyu Cheng , Chunxiao Cai , Wenhai Yang , Jiajia Du

While optical technology provides the best solution for the transmission of information, optical logics still calls for qualitative new concepts to be explored. Exciton-polaritons are composite particles, resulting from the strong coupling…

We discover an unexpected behavior in a hybrid system composed of cavity strongly coupled to molecules and subjected to high intensity coherent pumping. We show that if the frequency of the pumping wave is close to polariton transitions in…

Quantum Physics · Physics 2025-05-09 I. S. Pashkevich , I. V. Doronin , A. A. Zyablovsky , E. S. Andrianov

Excitonic insulator is a coherent electronic phase that results from the formation of a macroscopic population of bound particle-hole pairs - excitons. With only a few candidate materials known, the collective excitonic behavior is…

Strongly Correlated Electrons · Physics 2021-05-27 Pavel A. Volkov , Mai Ye , Himanshu Lohani , Irena Feldman , Amit Kanigel , Girsh Blumberg

Exciton-polaritons are quasiparticles consisting of a linear superposition of photonic and excitonic states, offering potential for nonlinear optical devices. The excitonic component of the polariton provides a finite Coulomb scattering…

Mesoscale and Nanoscale Physics · Physics 2017-03-20 Lucas C. Flatten , David M. Coles , Zhengyu He , David. G. Lidzey , Robert A. Taylor , Jamie H. Warner , Jason M. Smith