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We introduce a photonic nanostructure made of two dimensional materials that can lead to non-Markovian dynamics in the spontaneous emission of a nearby quantum emitter. Specifically, we investigate the spontaneous emission dynamics of a…

Quantum Physics · Physics 2019-05-22 Ioannis Thanopulos , Vasilios Karanikolas , Nikos Iliopoulos , Emmanuel Paspalakis

In this paper we consider an initially excited two-level system coupled to a monomode cavity, and compute exact expressions for the spectra spontaneously emitted by each system in the general case where they have arbitrary linewidths and…

Quantum Physics · Physics 2009-11-13 Alexia Auffèves , Benjamin Besga , Jean-Michel Gérard , Jean-Philippe Poizat

We investigate the spontaneous emission of one atom placed near an oscillating reflecting plate. We consider the atom modeled as a two-level system, interacting with the quantum electromagnetic field in the vacuum state, in the presence of…

Quantum Physics · Physics 2019-11-12 Alessandro Ferreri , Michelangelo Domina , Lucia Rizzuto , Roberto Passante

Spontaneous emission of a quantum emitter, such as an excited atom, is a fundamental process in quantum electrodynamics (QED), typically associated with exponential decay to the ground state accompanied by irreversible photon emission. This…

Quantum Physics · Physics 2026-04-16 Stefano Longhi

The spontaneous emission of an excited two-level emitter driven by a strong classical coherent low-frequency electromagnetic field is investigated. We find that for relatively strong laser driving, multi-photon processes are induced,…

Quantum Physics · Physics 2020-07-20 M. Macovei , J. Evers , C. H. Keitel

We study the temporal evolution of a three-level system (such as an atom or a molecule), initially prepared in an excited state, bathed in a laser field tuned at the transition frequency of the other level. The features of the spontaneous…

Quantum Physics · Physics 2009-10-31 P. Facchi , S. Pascazio

We demonstrate the remote all-optical control of the spontaneous emission (SE) of quantum dots using coupled photonic crystal cavities. By spectrally tuning a Fabry-Perot cavity in resonance with a target cavity, the quality factor and the…

Mesoscale and Nanoscale Physics · Physics 2012-11-20 C. Y. Jin , M. Y. Swinkels , R. Johne , T. B. Hoang , L. Midolo , P. J. van Veldhoven , A. Fiore

Semiconductor microcavities with artificial single-photon emitters have become one of the backbones of semiconductor quantum optics. In many cases however, technical and physical issues limit the study of optical fields to incoherently…

Quantum Physics · Physics 2015-12-01 L. Teuber , P. Grünwald , W. Vogel

We investigate spontaneous emission from a quantum emitter located within the mode volume of a microring resonator that features chiral exceptional points. We show that this configuration offers enough degrees of freedom to exhibit a full…

Optics · Physics 2021-03-17 Q. Zhong , A. Hashemi , S. K. Ozdemir , R. El-Ganainy

We study the temporal correlations of the field emitted by an electromagnetic resonator coupled to a mesoscopic number of two-level emitters that are incoherently pumped by a weak external drive. We solve the master equation of the system…

Quantum Physics · Physics 2011-09-13 A. Auffeves , D. Gerace , S. Portolan , A. Drezet , M. F. Santos

When modelling photon emission, we often assume that the emitter experiences a random quantum jump. When a quantum jump occurs, the emitter transitions suddenly into a lower energy level, while spontaneously generating a single photon.…

Quantum Physics · Physics 2026-01-22 Thomas Hartwell , Daniel Hodgson , Huda Alshemmari , Gin Jose , Almut Beige

We describe the light-matter interaction of a single two level atom with the electromagnetic vacuum in terms of field and dipole variables by considering homodyne detection of the emitted fields. Spontaneous emission is then observed as a…

Quantum Physics · Physics 2007-05-23 Holger F. Hofmann , Ortwin Hess , Guenter Mahler

The spontaneous decay of an excited state of an emitter placed in the vicinity of a metallic single-wall carbon nanotube (SWNT) was examined theoretically. The emitter-SWNT coupling strongly depends on the position of the emitter relative…

Mesoscale and Nanoscale Physics · Physics 2021-07-02 A. M. Nemilentsau , G. Ya. Slepyan , S. A. Maksimenko , A. Lakhtakia , S. V. Rotkin

We demonstrate the ability to control the spontaneous emission dynamics of self-assembled quantum dots via the local density of optical modes in 2D-photonic crystals. We show that an incomplete 2D photonic bandgap is sufficient to…

Quantum Physics · Physics 2007-05-23 A. Kress , F. Hofbauer , N. Reinelt , H. J. Krenner , R. Meyer , G. Boehm , J. J. Finley

We investigate the role of phase transitions into the spontaneous emission rate of quantum emitters embedded in a critical medium. Using a Landau-Ginzburg approach, we find that, in the broken symmetry phase, the emission rate is reduced or…

Quantum Physics · Physics 2018-01-03 M. B. Silva-Neto , D. Szilard , F. S. S. Rosa , C. Farina , F. A. Pinheiro

We analyze the non-Markovian spontaneous emission dynamics of a two-level test atom placed in a cavity formed by two atomic arrays in a waveguide quantum electrodynamics (QED) setup. We demonstrate a crossover from single-mode to multimode…

Quantum Physics · Physics 2026-03-03 Annyun Das , Pablo Solano , Kanu Sinha

We consider the cooperative spontaneous emission of a system of two identical atoms, interacting with the electromagnetic field in the vacuum state and in the presence of an oscillating mirror. We assume that the two atoms, one in the…

The steady state of a driven dense ensemble of two-level atoms is determined from the competition of coherent laser excitation and decay that acts in a correlated way on several atoms simultaneously. We show that the presence of this…

Quantum Physics · Physics 2014-10-16 B. Olmos , D. Yu , I. Lesanovsky

Quantum mechanical treatment of light inside dielectric media is important to understand the behavior of an optical system. In this paper, a two-level atom embedded in a rectangular waveguide surrounded by a perfect electric conductor is…

Quantum Physics · Physics 2016-11-25 Moochan B. Kim , Georgios Veronis , Tae-Woo Lee , Hwang Lee , Jonathan P. Dowling

We investigate (non-relativistic) atomic systems interacting with quantum electromagnetic field (QEF). The resulting model describes spontaneous emission of light from a two-level atom surrounded by various initial states of the QEF. We…

Quantum Physics · Physics 2009-11-10 P. Marecki , N. Szpak