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Entanglement between solid-state quantum emitters (QEs) is a key resource for photonic quantum technologies. Achieving such entanglement requires strong and controllable long-range interactions between QEs. However, engineering such…

Mesoscale and Nanoscale Physics · Physics 2026-03-02 Yinhui Kan , Shailesh Kumar , Xujing Liu , Antonio I. Fernández-Domínguez , Sergey I. Bozhevolnyi

Here we present the theoretical foundation of the strong coupling phenomenon between quantum emitters and propagating surface plasmons observed in two-dimensional metal surfaces. For that purpose, we develop an ab-initio quantum framework…

Mesoscale and Nanoscale Physics · Physics 2013-04-11 A. Gonzalez-Tudela , P. A. Huidobro , L. Martin-Moreno , C. Tejedor , F. J. Garcia-Vidal

In this paper, we experimentally demonstrate an oscillating energy shift of quantum-confined exciton levels in a semiconductor quantum well after excitation into a superposition of two quantum confined exciton states of different parity.…

Mesoscale and Nanoscale Physics · Physics 2020-12-30 A. V. Trifonov , A. S. Kurdyubov , I. Ya. Gerlovin , D. S. Smirnov , K. V. Kavokin , I. A. Yugova , M. Aßmann , A. V. Kavokin

The strong coupling of quantum emitters to a cavity mode has been of paramount importance in the development of quantum optics. Recently, also the strong coupling to more than a single mode of an electromagnetic resonator has drawn…

Quantum Physics · Physics 2024-01-17 Oliver Diekmann , Dmitry O. Krimer , Stefan Rotter

We study exciton-plasmon coupling in two-dimensional semiconductors coupled with Ag plasmonic lattices via angle-resolved reflectance spectroscopy and by solving the equations of motion (EOMs) in a coupled oscillator model accounting for…

We investigate the conditions yielding plasmon-exciton strong coupling at the single emitter level in the gap between two metal nanoparticles. A quasi-analytical transformation optics approach is developed that makes possible a thorough…

Mesoscale and Nanoscale Physics · Physics 2016-09-07 Rui-Qi Li , D. Hernangómez-Pérez , F. J. García-Vidal , A. I. Fernández-Domínguez

Collective excitations in simple metal systems can be described successfully in terms of a local one-body excitation operator Q, due to the long range nature of the coulomb interaction. For the plasmon modes of a simple-metal slab, momentum…

Condensed Matter · Physics 2009-10-28 S. Leseduarte , J. Sellares , A. Travesset

We develop a consistent quantum description of surface plasmons interacting with quantum emitters and external electromagnetic field. Within the framework of macroscopic electrodynamics in dispersive and absorptive medium, we derive, in the…

Mesoscale and Nanoscale Physics · Physics 2021-01-21 Tigran V. Shahbazyan

As a quasiparticle formed by light and excitons in semiconductors, the exciton-polariton (EP) as a quantum bus is promising for the development of quantum interconnect devices at room temperature. However, the significant damping of EPs in…

Mesoscale and Nanoscale Physics · Physics 2022-09-28 Feng-Zhou Ji , Si-Yuan Bai , Jun-Hong An

Hybrid molecular-plasmonic nanostructures have demonstrated their potential for surface enhanced spectroscopies, sensing or quantum control at the nanoscale. In this work, we investigate the strong coupling regime and explicitly describe…

Quantum Physics · Physics 2017-07-05 H. Varguet , B. Rousseaux , D. Dzsotjan , H. Jauslin , S. Guerin , G. Colas des Francs

Using either quasi-static approximation or exact Mie expansion, we characterize the localized surface plasmons supported by a metallic spherical nanoparticle. We estimate the quality factor $Q_n$ and define the effective volume $V_n$ of the…

Optics · Physics 2012-03-08 G. Colas des Francs , S. Derom , R. Vincent , A. Bouhelier , A. Dereux

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

We present a theory that efficiently describes the quantum dynamics of an electronic excitation that is coupled to a continuous, highly structured phonon environment. Based on a stochastic approach to non-Markovian open quantum systems, we…

Quantum Physics · Physics 2009-11-05 Jan Roden , Alexander Eisfeld , Wolfgang Wolff , Walter T. Strunz

We present a microscopic model describing the transition to strong coupling regime for an emitter resonantly coupled to a surface plasmon in a metal-dielectric structure. We demonstrate that the shape of scattering spectra is determined by…

Mesoscale and Nanoscale Physics · Physics 2022-07-08 Tigran V. Shahbazyan

We investigate the coupling between an ensemble of individual emitters and multiple photons in a high-$Q$ cavity at the mesoscopic excitation level. The master equation theory is used to calculate the emission spectrum of the cavity QED…

Mesoscale and Nanoscale Physics · Physics 2025-01-14 Chenjiang Qian , Viviana Villafañe , Pedro Soubelet , Andreas V. Stier , Jonathan J. Finley

The strong coherent coupling of quantum emitters to vacuum fluctuations of the light field offers opportunities for manipulating the optical and transport properties of nanomaterials, with potential applications ranging from ultrasensitive…

We present a quantum theory for the interaction of a two level emitter with surface plasmon polaritons confined in single-mode waveguide resonators. Based on the Green's function approach, we develop the conditions for the weak and strong…

Mesoscale and Nanoscale Physics · Physics 2015-03-20 T. Hümmer , F. J. García-Vidal , L. Martín-Moreno , D. Zueco

We develop a non-local dielectric response theory to describe the temperature dependence of exciton lifetime in metal-semiconductor heterostructures. Coupling between excitons and surface plasmons results in a strongly nonmonotonous…

Mesoscale and Nanoscale Physics · Physics 2015-05-07 M. V. Durnev , A. V. Kavokin , B. Gil

The theoretical method to study strong coupling between an ensemble of quantum emitters (QEs) and surface plasmons excited by the nanoparticle cluster has been presented by using a rigorous first-principles electromagnetic Green's tensor…

Quantum Physics · Physics 2017-12-29 Jun Ren , Tong Wu , Xiangdong Zhang

We present a self-consistent Maxwell-Bloch theory to analytically study the interaction between a nanostructure consisting of a metal nanoparticle and a monolayer of transition metal dichalcogenide. For the combined system, we identify an…

Mesoscale and Nanoscale Physics · Physics 2023-05-19 Robert Salzwedel , Lara Greten , Stefan Schmidt , Stephen Hughes , Andreas Knorr , Malte Selig