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Related papers: Theory of the quantum-dot Mollow triplet in an exc…

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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

Detailed properties of resonance fluorescence from a single quantum dot in a micropillar cavity are investigated, with particular focus on emission coherence in dependence on optical driving field power and detuning. Power-dependent series…

Mesoscale and Nanoscale Physics · Physics 2013-03-08 S. M. Ulrich , S. Ates , S. Reitzenstein , A. Löffler , A. Forchel , P. Michler

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

We present a detailed theoretical study of non-Markovian dynamics in the fluorescence spectrum of a driven semiconductor quantum dot (QD), embedded in a cavity and coupled to a three-dimensional (3D) acoustic phonon reservoir. In…

Mesoscale and Nanoscale Physics · Physics 2018-08-14 Abhishek Kumar

A semiconductor quantum dot (QD) embedded within an optical microcavity is a system of fundamental importance within quantum information processing. The optimization of quantum coherence is crucial in such applications, requiring an…

Mesoscale and Nanoscale Physics · Physics 2020-02-06 A. Morreau , C. Joshi , E. A. Muljarov

We present a quantum optics formalism to study intensity power broadening of a semiconductor quantum dot interacting with an acoustic phonon bath and a high $Q$ microcavity. Power broadening is investigated using a time-convolutionless…

Quantum Physics · Physics 2015-03-19 Chiranjeeb Roy , Stephen Hughes

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

Resonant excitation of solid state quantum emitters has the potential to deterministically excite a localized exciton while ensuring a maximally coherent emission. In this work, we demonstrate the coherent coupling of an exciton localized…

Charge-neutral excitons in semiconductor quantum dots have a small finite energy separation caused by the anisotropic exchange splitting. Coherent excitation of neutral excitons will generally excite both exciton components, unless the…

Mesoscale and Nanoscale Physics · Physics 2013-05-23 Rong-Chun Ge , S. Weiler , A. Ulhaq , S. M. Ulrich , M. Jetter , P. Michler , S. Hughes

Electron-phonon coupling in semiconductor quantum dots plays a significant role in determining the optical properties of excited excitons, especially the spectral nature of emitted photons. This paper presents a comprehensive theory and…

Quantum Physics · Physics 2016-06-02 Kaushik Roy-Choudhury , Stephen Hughes

We investigate pump-induced exciton inversion in a quantum-dot cavity system with continuous wave drive. Using a polaron-based master equation, we demonstrate excited-state populations above 0.9 for an InAs dot at a phonon bath temperature…

Quantum Physics · Physics 2013-05-31 S. Hughes , H. J. Carmichael

We present a theoretical study of the resonance fluorescence spectra of an optically driven quantum dot placed near a single metal nanoparticle. The metallic reservoir coupling is calculated for an 8-nm metal nanoparticle using a…

Mesoscale and Nanoscale Physics · Physics 2013-05-22 Rong-Chun Ge , C. Van Vlack , P. Yao , Jeff. F. Young , S. Hughes

The Mollow triplet is the definitive spectral signature of an optically dressed quantum emitter. We predict that for emitters coupled to localized phonons, this signature is not confined to the zero-phonon line. Under a strong resonant…

Quantum Physics · Physics 2026-01-22 Devashish Pandey , Corne Koks , Martijn Wubs , Nicolas Stenger , Jake Iles-Smith

We develop an exact analytical approach to the optical response of a quantum dot-microcavity system for arbitrary excitation strengths. The response is determined in terms of the complex amplitudes of transitions between the rungs of the…

Other Condensed Matter · Physics 2022-03-30 Thomas Allcock , Wolfgang Langbein , Egor Muljarov

We present a semi-analytic and asymptotically exact solution to the problem of phonon-induced decoherence in a quantum dot-microcavity system. Particular emphasis is placed on the linear polarization and optical absorption, but the approach…

Mesoscale and Nanoscale Physics · Physics 2019-10-02 A. Morreau , E. A. Muljarov

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

Semiconductor microresonators embedding quantum wells can host tightly confined and mutually interacting excitonic, optical and mechanical modes at once. We theoretically investigate the case where the system operates in the strong…

We present a medium-dependent quantum optics approach to describe the influence of electron-acoustic phonon coupling on the emission spectra of a strongly coupled quantum-dot cavity system. Using a canonical Hamiltonian for light…

Mesoscale and Nanoscale Physics · Physics 2011-05-03 S. Hughes , P. Yao , F. Milde , A. Knorr , D. Dalacu , K. Mnaymneh , V. Sazonova , P. J. Poole , G. C. Aers , J. Lapointe , R. Cheriton , R. L. Williams

Resonant excitation is an essential tool in the development of semiconductor quantum dots (QDs) for quantum information processing. One central challenge is to enable a transparent access to the QD signal without post-selection information…

Quantum Physics · Physics 2023-09-06 Bang Wu , Xu-Jie Wang , Li Liu , Guoqi Huang , Wenyan Wang , Hanqing Liu , Haiqiao Ni , Zhichuan Niu , Zhiliang Yuan

For a semiconductor quantum dot strongly coupled to a microcavity, we theoretically investigate phonon-assisted transitions from the exciton to a cavity photon, where the energy mismatch is compensated by phonon emission or absorption. By…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Ulrich Hohenester
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