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Related papers: Quantum Plasmonics with multi-emitters: Applicatio…

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We present an overview of the framework of macroscopic quantum electrodynamics from a quantum nanophotonics perspective. Particularly, we focus our attention on three aspects of the theory which are crucial for the description of quantum…

This paper considers population transfer between eigenstates of a finite quantum ladder controlled by a classical electric field. Using an appropriate change of variables, we show that this setting can be set in the framework of adiabatic…

Quantum Physics · Physics 2013-04-16 Zaki Leghtas , Alain Sarlette , Pierre Rouchon

We study theoretically the optical response of a nanohybrid comprising a symmetric quantum dimer emitter coupled to a metal nanoparticle (MNP). The interactions between the exitonic transitions in the dimer and the plasmons in the MNP lead…

Mesoscale and Nanoscale Physics · Physics 2015-11-11 Bintoro S. Nugroho , Victor A. Malyshev , Jasper Knoester

We propose a scheme which implements a controllable change of the state of the target spin qubit in such a way that both the control and the target spin qubits remain in their ground states. The interaction between the two spins is mediated…

Quantum Physics · Physics 2013-07-08 G. P. Berman. A. R. Bishop , F. Borgonovi , V. I. Tsifrinovich

Quantum plasmonics is a rapidly growing field of research that involves the study of the quantum properties of light and its interaction with matter at the nanoscale. Here, surface plasmons - electromagnetic excitations coupled to electron…

Quantum Physics · Physics 2013-12-25 M. S. Tame , K. R. McEnery , S. K. Ozdemir , J. Lee , S. A. Maier , M. S. Kim

We propose a geometry-specific, mode-selective quantization scheme in coupled field-emitter systems which makes it easy to include material and geometrical properties, intrinsic losses as well as the positions of an arbitrary number of…

We derive effective Hamiltonians for a single dipolar emitter coupled to a metal nanoparticle (MNP) with particular attention devoted to the role of losses. For small particles sizes, absorption dominates and a non hermitian effective…

Quantum Physics · Physics 2019-02-27 H. Varguet , B. Rousseaux , D. Dzsotjan , H. R. Jauslin , S. Guerin , G. Colas des Francs

We study the adiabatic approximation of the dynamics of a bipartite quantum system with respect to one of the components, when the coupling between its two components is perturbative. We show that the density matrix of the considered…

Mathematical Physics · Physics 2015-06-22 David Viennot , Lucile Aubourg

This study presents a self-consistent, quantum-informed model for the decay dynamics of localized surface plasmons (LSPs) in spherical metal nanoparticles (NPs), described as plasmonic quasi-particles (PQPs). By bridging classical…

Optics · Physics 2026-05-15 Krystyna Kolwas

Here we study a simple way of controlling the emitted fields of sub-wavelength nanometric sources. The system consists of arrays of nanoparticles (NPs) embedded in optical active media. The key concept is the careful tuning of NP's damping…

Mesoscale and Nanoscale Physics · Physics 2014-02-14 Raúl A. Bustos-Marún , Axel D. Dente , Eduardo A. Coronado , Horacio M. Pastawski

We treat resonant Raman scattering via the multiphonon exciton transitions in cylindrical quantum dots with a parabolic confinement in the lateral direction and with a finite rectangular interface-barrier confinement in the axial direction.…

Mesoscale and Nanoscale Physics · Physics 2012-05-09 S. N. Klimin , V. M. Fomin , J. T. Devreese , J. -P. Leburton

Periodically driven systems have emerged as a useful technique to engineer the properties of quantum systems, and are in the process of being developed into a standard toolbox for quantum simulation. An outstanding challenge that leaves…

Quantum Physics · Physics 2024-10-24 Paul Manuel Schindler , Marin Bukov

We consider the population transfer process in a Lambda-type atomic medium of unequal oscillator strengths by stimulated Raman adiabatic passage via bright-state (b-STIRAP) taking into account propagation effects. Using both analytic and…

Quantum Physics · Physics 2013-06-11 G. G. Grigoryan , C. Leroy , Y. Pashayan-Leroy , L. Chakhmakhchyan , S. Guérin , H. R. Jauslin

Quantum emitters coupled to a waveguide is a paradigm of quantum optics, whose essential properties are described by waveguide quantum electrodynamics (QED). We study the possibility of observing the typical features of the conventional…

Quantum Physics · Physics 2023-09-01 David Castells-Graells , Daniel Malz , Cosimo C. Rusconi , J. Ignacio Cirac

We characterise the spontaneous emission time and direction from small numbers of dipole-coupled two-level atoms (2LAs) in the presence of incident fields. We show how to use adiabatic passage to admit population transfer between states in…

Quantum Physics · Physics 2008-09-19 Peter G. Brooke

Two transversely coupled and resonant qubits form symmetric and antisymmetric states as their eigenstates. In this paper, we show that parametric modulation of an individual qubit enables direct Rabi swapping between the two states. Its…

Mesoscale and Nanoscale Physics · Physics 2022-08-31 Kuan-Hsun Chiang , Yung-Fu Chen

In atomic multi-level systems, adiabatic elimination is a method used to minimize complicity of the system by eliminating irrelevant and strongly coupled levels by detuning them from one-another. Such a three-level system, for instance, can…

We study the collective photon decay of multiple quantum emitters embedded in a thin high-index dielectric layer such as hexagonal boron nitride (hBN), with and without a metal substrate. We first explore the significant role that guided…

We study the evolution of a quantum dot controlled by a frequency-swept (chirped), linearly polarized laser pulse in the presence of carrier-phonon coupling. The final occupation of the exciton state is limited both due to phonon-induced…

Mesoscale and Nanoscale Physics · Physics 2013-11-11 K. Gawarecki , S. Lüker , D. E. Reiter , T. Kuhn , M. Glässl , V. M. Axt , A. Grodecka-Grad , P. Machnikowski

Adiabatic quantum transistors allow quantum logic gates to be performed by applying a large field to a quantum many-body system prepared in its ground state, without the need for local control. The basic operation of such a device can be…

Quantum Physics · Physics 2015-05-18 Dominic J. Williamson , Stephen D. Bartlett