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Related papers: Dipole emission from a real cavity in a random med…

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This is the third of a series of papers devoted to develop a microscopical approach to the dipole emission process and its relation to coherent transport in random media. In this paper, we compute the power emitted by an induced dipole and…

Optics · Physics 2009-02-13 M. Donaire

This is the first of a series of papers devoted to develop a microscopical approach to the dipole emission process and its relation to coherent transport in random media. In this Letter, we deduce general expressions for the decay rate of…

Optics · Physics 2009-03-12 M. Donaire

We discuss the $E1$ and $M1$ spontaneous decay rates of the an emitter residing inside of a real cavity carved out of a vast, uniform, homogenous, isotropic, linear, lossless, dispersionless, and continuous medium. The ratio of the medium…

Optics · Physics 2015-04-23 Jaideep Singh

This is the second of a series of papers devoted to develop a microscopical approach to the dipole emission process and its relation to coherent transport in random media. In this Letter, we deduce a relation between the transverse decay…

Optics · Physics 2009-03-12 M. Donaire

We study the collective emission of a beam of atomic dipoles into an optical cavity. Our focus lies on the effect of a finite detuning between the atomic transition frequency and the cavity resonance frequency. By developing a theoretical…

Quantum Physics · Physics 2021-11-24 Simon B. Jäger , Haonan Liu , John Cooper , Murray J. Holland

We consider the spontaneous emission of a broadening molecule on the surface of a micro-sphere in this paper. The density of states for the micro-cavity is derived from quasi-normal models(QNM's) expansion of the correlation functions of…

Quantum Physics · Physics 2007-05-23 Yun-Jie Xia , Guang-Can Guo , P. T. Leung

We study theoretically the rate of spontaneous emission of a two-level quantum emitter embedded in realistic systems: near a mirror, near a plasmonic sphere, or in a 3D photonic bandgap crystal. At constant frequency and position, we find…

Optics · Physics 2009-12-07 Willem L. Vos , A. Femius Koenderink , Ivan S. Nikolaev

Quadrupole radiation of an atom in an arbitrary environment is investigated within classical as well as quantum electrodynamical approaches. Analytical expressions for decay rates are obtained in terms of Green function of Maxwell…

Optics · Physics 2009-11-11 V. V. Klimov , M. Ducloy

The decay of an excited atom in the presence of a medium that both scatters and absorbs radiation is studied with the help of a quantum-electrodynamical model. The medium is represented by a half space filled with a randomly distributed set…

Quantum Physics · Physics 2018-07-23 L. G. Suttorp , A. J. van Wonderen

In this work, we consider atomic spontaneous emission in a system consisting of two identical two-level atoms interacting dispersively with the quantized electromagnetic field in a high-Q cavity. We investigate the destructive effect of the…

Quantum Physics · Physics 2007-05-23 P. P. Munhoz , J. A. Roversi , A. Vidiella-Barranco , F. L. Semiao

We consider the theory of spontaneous emission for a random medium of stationary two-level atoms. We investigate the dynamics of the field and atomic probability amplitudes for a one-photon state of the system. At long times and large…

Optics · Physics 2021-04-27 Joseph Kraisler , John C Schotland

We study the radiative decay rate and Purcell effect for a finite-size dipole emitter placed in a homogeneous uniaxial medium. We demonstrate that the radiative rate is strongly enhanced when the signs of the longitudinal and transverse…

Optics · Physics 2012-08-31 Alexander N. Poddubny , Pavel A. Belov , Yuri S. Kivshar

Starting from the quantized version of Maxwell's equations for the electromagnetic field in an arbitrary linear Kramers-Kronig dielectric, spontaneous decay of the excited state of a two-level atom embedded in a dispersive and absorbing…

Quantum Physics · Physics 2009-10-31 S. Scheel , L. Knoll , D. G. Welsch

The change in the decay rate of an excited atom that is brought about by extinction and thermal-radiation effects in a nearby dielectric medium is determined from a quantummechanical model. The medium is a collection of randomly distributed…

Quantum Physics · Physics 2018-07-23 L. G. Suttorp , A. J. van Wonderen

The emission properties of atoms lie at the foundations of both quantum theory and light-matter interactions. In the context of macroscopic media, exact knowledge thereof is important both in current quantum technologies as well as in…

Quantum Physics · Physics 2020-07-23 Anette Messinger , Niclas Westerberg , Stephen M. Barnett

Cavity-mediated cooling of the center--of--mass motion of a transversally, coherently pumped atom along the axis of a high--Q cavity is studied. The internal dynamics of the atomic dipole strongly coupled to the cavity field is treated by a…

Quantum Physics · Physics 2007-05-23 Peter Domokos , Thomas Salzburger , Helmut Ritsch

The spontaneous decay rates of an excited atom placed near a dielectric cylinder are investigated. A special attention is paid to the case when the cylinder radius is small in comparison with radiation wavelength (nanofiber or photonic…

Atomic Physics · Physics 2009-11-07 V. V. Klimov , M. Ducloy

The local field correction to the spontanous dacay rate of an impurity source atom imbedded in a disordered dielectric is calculated to second order in the dielectric density. The result is found to differ from predictions associated with…

Quantum Physics · Physics 2009-11-11 Hao Fu , P. R. Berman

It is shown that the momentum diffusion of free-space laser cooling has a natural correspondence in optical cavities when the internal state of the atom is treated as a harmonic oscillator. We derive a general expression for the momentum…

Quantum Physics · Physics 2007-05-23 K. Murr , P. Maunz , P. W. H. Pinkse , T. Puppe , I. Schuster , D. Vitali , G. Rempe

We investigate the spontaneous emission rate of a two-level quantum emitter next to a composite medium made of randomly distributed metallic inclusions embedded in a dielectric host matrix. In the near-field, the Purcell factor can be…

Mesoscale and Nanoscale Physics · Physics 2016-10-26 D. Szilard , W. J. M Kort-Kamp , F. S. S. Rosa , F. A. Pinheiro , C. Farina
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