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Related papers: Signatures of dynamically dressed states

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Radiative two-photon cascades from biexcitons in semiconductor quantum dots under resonant two-photon excitation are promising candidates for the generation of photon pairs. In this work, we propose a scheme to obtain two-photon emission…

Quantum Physics · Physics 2016-01-20 Carlos Sánchez Muñoz , Fabrice P. Laussy , Carlos Tejedor , Elena del Valle

Analytical expressions for the semiclassical dressed states and corresponding quasienergies are obtained for a two-level quantum system driven by a nonresonant and/or strong laser field in a coherent state. These expressions are of first…

Quantum Physics · Physics 2010-07-01 A. Santana , J. M. Gomez Llorente , V. Delgado

We study dynamics of an artificial two-level atom in an open 1D space by measuring evolution of its coherent and incoherent emission. States of the atom -- a superconducting flux qubit coupled to a transmission line -- are fully controlled…

Quantum Physics · Physics 2015-05-27 A. A. Abdumalikov , O. V. Astafiev , Y. Nakamura , J. S. Tsai

The theoretical community has found interest in the ability of a two-level atom to generate a strong many-body interaction with light under pulsed excitation. Single-photon generation is the most well-known effect, where a short Gaussian…

The possibility of realizing the superradiant regime of electromagnetic emission by the assembly of quantum dots is considered. The overall dynamical process is analyzed in detail. It is shown that there can occur several qualitatively…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 V. I. Yukalov , E. P. Yukalova

We study the evolution of a quantum state of a double quantum dot system interacting with the electromagnetic environment and with the lattice modes, in the presence of a coupling between the two dots. We propose a unified approach to the…

Mesoscale and Nanoscale Physics · Physics 2010-09-15 Paweł Machnikowski , Katarzyna Roszak , Anna Sitek

We study a system made up of one or two two-level quantum emitters, coupled to a single transverse mode of a closed waveguide, in which photon wavenumbers and frequencies are discretized, and characterize the stable states in which one…

Resonance fluorescence from a single two-level system is a cornerstone of quantum optics. In the strong driving regime, its emission spectrum exhibits the iconic Mollow triplet, with each spectral component corresponding to a transition…

Quantum Physics · Physics 2025-10-01 Yuan Zhan , Zixuan Wang , Richard P. Mirin , Kevin L. Silverman , Shuo Sun

The coherent interaction between a two-level system and electromagnetic fields serves as a foundation for fundamental quantum physics and modern photonic quantum technology. A profound example is resonance fluorescence, where the…

We present the theory of resonance fluorescence from an asymmetric quantum dot driven by a two-component electromagnetic field with two different frequencies, polarizations and amplitudes (bichromatic field) in the regime of strong…

Mesoscale and Nanoscale Physics · Physics 2017-01-26 G. Yu. Kryuchkyan , V. Shahnazaryan , O. V. Kibis , I. A. Shelykh

We present an analytically tractable model of a driven quantum harmonic emitter, such as an oscillating charged dipole, emitting radiation via resonance fluorescence. With this model we are able to characterize the quantum mechanical…

Quantum Physics · Physics 2026-04-14 Yuliya Bilinskaya , Sreenath K. Manikandan

Phase transformations induced by short optical pulses are mainstream in studies on the dynamics of cooperative electronic states. We present a semi-phenomenological modeling of spacio-temporal effects expected when optical excitons are…

Strongly Correlated Electrons · Physics 2025-05-06 Natasha Kirova , Serguei Brazovskii

We studied time-dependent features of high-frequency fluorescent radiation from a two-level quantum system with broken inversion spatial symmetry. The system in question was modelled after a one-electron two-level asymmetric polar…

Quantum Physics · Physics 2024-12-17 Andrey V. Soldatov

A two-level system (2LS) is the most fundamental building block of matter. Its response to classical light is well known, as it converts pulses of coherent light into antibunched emission. However, recent theoretical proposals have…

Quantum Physics · Physics 2025-10-17 Juan Camilo López Carreño

We study the incandescence of a semiconductor system characterized by a radiatively broadened material excitation. We show that the shape of the emission spectrum and the peak emissivity value are determined by the ratio between radiative…

A double quantum dot device is a tunable two-level system for electronic energy states. A dc electron current directly measures the rates for elastic and inelastic transitions between the two levels. For inelastic transitions energy is…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 T. Fujisawa , T. H. Oosterkamp , W. G. van der Wiel , B. W. Broer , R. Aguado , S. Tarucha , L. P. Kouwenhoven

We investigate a double quantum dot coupled to a transmission line resonator. By driving a current through the double dot, a population inversion between the dot levels can be created, and a lasing state of the radiation field is generated…

Mesoscale and Nanoscale Physics · Physics 2013-09-25 Pei-Qing Jin , Michael Marthaler , Jared H. Cole , Alexander Shnirman , Gerd Schön

We analyze the statistics of photons originating from amplified spontaneous emission generated by a quantum dot superluminescent diode. Experimentally detectable emission properties are taken into account by parametrizing the corresponding…

Quantum Physics · Physics 2015-06-23 S. Hartmann , F. Friedrich , A. Molitor , M. Reichert , W. Elsäßer , R. Walser

The sequential resonant excitation of a 2-level quantum system results in the emission of a state of light showing time-entanglement encoded in the photon-number-basis - notions that can be extended to 3-level quantum systems as discussed…

In this work, a model to study the coupling between a semiconductor qubit and two timedependent electric fields is developed. By using it in the resonantly monochromatic double dressing regime, control of the local density of optical states…

Mesoscale and Nanoscale Physics · Physics 2016-10-05 Hanz Y. Ramírez