Download Collective Plasmon-Modes in Gain Media: Quantum Emitters and by V.A.G. Rivera, O.B. Silva, Y. Ledemi, Y. Messaddeq, E. PDF

By V.A.G. Rivera, O.B. Silva, Y. Ledemi, Y. Messaddeq, E. Marega Jr.

This publication represents the 1st certain description, together with either theoretical elements and experimental equipment, of the interplay of rare-earth ions with floor plasmon polariton from the viewpoint of collective plasmon-photon interactions through resonance modes (metal nanoparticles or nanostructure arrays) with quantum emitters (rare-earth ions). those interactions are of specific curiosity for functions to optical telecommunications, optical screens, and laser reliable kingdom applied sciences. hence, our major aim is to offer a extra unique assessment of the swiftly rising box of nanophotonics via the research of the quantum homes of sunshine interplay with topic on the nanoscale. during this method, collective plasmon-modes in a achieve medium end result from the interaction/coupling among a quantum emitter (created by way of rare-earth ions) with a metal floor, inducing diversified results corresponding to the polarization of the steel electrons (so-called floor plasmon polariton - SPP), a box enhancement sustained through resonance coupling, or move of strength because of non-resonant coupling among the steel nanostructure and the optically lively surrounding medium. those results counteract the absorption losses within the steel to augment luminescence houses or maybe to regulate the polarization and part of quantum emitters. The engineering of plasmons/SPP in achieve media constitutes a brand new box in nanophotonics technological know-how with an important technological capability in built-in optics/photonics on the nanoscale according to the keep an eye on of quantum results. This booklet could be an important software for scientists, engineers, and graduate and undergraduate scholars not just in a brand new frontier of basic physics, but in addition within the attention of nanophotonic units for optical telecommunication.

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Extra resources for Collective Plasmon-Modes in Gain Media: Quantum Emitters and Plasmonic Nanostructures

Sample text

The corresponding energies of the photons absorbed by the bound electrons are found using the resonance frequencies ω0 and ω1. 31 eV. Additionally, the wavelengths associated with these resonances are: λ0 ¼ Ehc0 ffi 500 nm and hc λ1 ¼ E1 ffi 375 nm, where hc ¼ 1240 eV. nm and h and ℏ are the Planck and reduced Planck constants, respectively. We note that these wavelengths correspond to the visible and UV domains, respectively. These regions of the EM spectrum are exactly the ranges in which the Drude model fails to describe the dielectric function.

Such properties arise from the conductive nature of metals, which confers a damping effect on the propagation of the EM wave into the material. This feature is critical to confining and controlling light for 12 1 Quantum Aspects of Light–Matter Interaction the development of plasmonic devices, since the damping is related to the losses that these materials can exhibit. To overcome this problem, the introduction of a second medium is necessary to compensate for these losses. This section is dedicated to describing the optical response of gain media to improve the capacity of light confinement.

1) is positive. As the field possesses a harmonic dependence in time, it is reasonable to expect that the response of the electron’s motion for the applied field will also be harmonic. From this assumption, we find the solution of Eq. 1) to be r ¼ r0eÀ iωt. 2 The Dielectric Function of the Free Electron Gas r0 ¼ À m ð ω2 e E0 þ iγωÞ 5 ð1:4Þ The amplitude oscillation of the free electron is a complex quantity. It possesses a phase shift caused by the external field and it is influenced by the rate of collisions between the free electron and other electrons present in the gas.

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