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We investigate the influence of electron-phonon interactions on the dynamical properties of a quantum-dot-cavity QED system. We show that non-Markovian effects in the phonon reservoir lead to strong changes in the dynamics, arising from…

Mesoscale and Nanoscale Physics · Physics 2010-04-29 P. Kaer , T. R. Nielsen , P. Lodahl , A. -P. Jauho , J. Mork

We investigate a quantum dot (QD) system coupled to a vibrational environment with a super-Ohmic spectral density and weakly to a leaky cavity mode, a model relevant for semiconductor-based single-photon sources. The phonon coupling induces…

Mesoscale and Nanoscale Physics · Physics 2024-12-31 Sebastian Toivonen , Kimmo Luoma

We investigate the dynamics of a double quantum dot charge qubit which is coupled to piezoelectric acoustic phonons, appropriate for GaAs heterostructures. At low temperatures, the phonon bath induces a non-Markovian dynamical behavior of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. Thorwart , J. Eckel , E. R. Mucciolo

We derive an extension to the quantum regression theorem which facilitates the calculation of two-time correlation functions and emission spectra for systems undergoing non-Markovian evolution. The derivation exploits projection operator…

Quantum Physics · Physics 2016-05-04 Dara P. S. McCutcheon

Semiconductor quantum dots (QDs) have been demonstrated to be versatile candidates to study the fundamentals of light-matter interaction [1-3]. In contrast with atom optics, dissipative processes are induced by the inherent coupling to the…

Mesoscale and Nanoscale Physics · Physics 2013-10-25 Alexander Carmele , Andreas Knorr , Frank Milde

We demonstrate that electron-phonon interaction in quantum dots embedded in one-dimensional systems leads to pronounced, non-Markovian decoherence of optical transitions. The experiments we present focus on the lineshape of…

Mesoscale and Nanoscale Physics · Physics 2012-09-18 Christophe Galland , Alexander Högele , Hakan E. Türeci , Ataç Imamoğlu

We investigate the influence of the electron-phonon interaction on the decay dynamics of a quantum dot coupled to an optical microcavity. We show that the electron-phonon interaction has important consequences on the dynamics, especially…

Mesoscale and Nanoscale Physics · Physics 2012-08-17 P. Kaer , T. R. Nielsen , P. Lodahl , A. -P. Jauho , J. Mork

We discuss phonon-induced non-Markovian and Markovian features in QD-based optics. We cover lineshapes in linear absorption experiments, phonon-induced incoherence in the Heitler regime, and memory correlations in two-photon coherences. To…

Quantum Physics · Physics 2019-04-25 Alexander Carmele , Stephan Reitzenstein

We demonstrate a strong influence of the phonon environment on the coherent dynamics of the quantum dot (QD)-cavity system in the quantum strong coupling regime. This regime is implemented in the nonlinear QD-cavity QED and can be reliably…

Mesoscale and Nanoscale Physics · Physics 2023-10-03 L. S. Sirkina , E. A. Muljarov

We present a comprehensive theoretical study of the resonance fluorescence spectra of an exciton-driven quantum dot (QD) placed inside a high-$Q$ semiconductor cavity and interacting with an acoustic phonon bath. We derive a quantum master…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 C. Roy , S. Hughes

We measure the detuning-dependent dynamics of a quasi-resonantly excited single quantum dot coupled to a micropillar cavity. The system is modeled with the dissipative Jaynes-Cummings model where all experimental parameters are determined…

Mesoscale and Nanoscale Physics · Physics 2011-06-07 K. H. Madsen , S. Ates , T. Lund-Hansen , A. Löffler , S. Reitzenstein , A. Forchel , P. Lodahl

We study the resonance fluorescence spectra of a driven quantum dot placed inside a high $Q$ semiconductor cavity and interacting with an acoustic phonon bath. The dynamics is calculated using a time-convolutionless master equation obtained…

Mesoscale and Nanoscale Physics · Physics 2011-08-24 C. Roy , S. Hughes

The effect of phonons on a nonlinear optical response of a quantum dot-cavity system in quantum strong coupling regime can be accounted for by a fully analytical treatment, provided that the exciton-phonon dynamics is much faster than the…

Mesoscale and Nanoscale Physics · Physics 2023-06-30 L. S. Sirkina , E. A. Muljarov

Using a polaron master equation approach we investigate the resonance fluorescence spectra from coherently driven quantum dots (QDs) coupled to an acoustic phonon bath and a photonic crystal waveguide with a rich local density of photon…

Quantum Physics · Physics 2016-06-29 Kaushik Roy-Choudhury , Nishan Mann , Ross Manson , Stephen Hughes

Multi-photon correlations from quantum emitters coupled to vibrational environments lie beyond the reach of standard tools such as the quantum regression theorem (QRT). Here, we introduce a Markovian framework for computing…

Quantum Physics · Physics 2026-03-17 Mateusz Salamon , Oliver Dudgeon , Ahsan Nazir , Jake Iles-Smith

We present both experimental and theoretical investigations of a laser-driven quantum dot (QD) in the dressed-state regime of resonance fluorescence. We explore the role of phonon scattering and pure dephasing on the detuning-dependence of…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Ata Ulhaq , Stefanie Weiler , Chiranjeeb Roy , Sven Marcus Ulrich , Michael Jetter , Stephen Hughes , Peter Michler

The quantum dynamics of a compound sample consisting from a semiconductor double quantum dot (DQD) system non-linearly coupled with a leaking single-mode micro-resonator is theoretically investigated. The focus is on the resonance condition…

Mesoscale and Nanoscale Physics · Physics 2025-12-25 Tatiana Mihaescu , Aurelian Isar , Mihai A Macovei

The influence of electron--phonon interactions on the dynamics of a quantum dot coupled to a photonic cavity mode is investigated using a nonequilibrium Green's function approach. Within a polaron frame, the self-consistent-Born…

Mesoscale and Nanoscale Physics · Physics 2017-01-11 Gaston Hornecker , Alexia Auffèves , Thomas Grange

Non-Markovian dynamics is studied for two interacting quibts strongly coupled to a dissipative bosonic environment. For the first time, we have derived the non-Markovian quantum state diffusion (QSD) equation for the coupled two-qubit…

Quantum Physics · Physics 2011-09-07 Xinyu Zhao , Jun Jing , Brittany Corn , Ting Yu

We study the crucial role played by the solid-state environment in determining the photon emission characteristics of a driven quantum dot. For resonant driving, we predict a phonon-enhancement of the coherently emitted radiation field with…

Quantum Physics · Physics 2015-03-20 Dara P. S. McCutcheon , Ahsan Nazir
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