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We propose an experimental setup, feasible with present day technology, involving two highquality- factor cavities, one Ramsey zone and a two-level atom which interacts with them. The dynamics in the cavities is modeled by a dissipative…

Quantum Physics · Physics 2010-02-24 E. Agudelo , B. A. Rodriguez , K. M. Fonseca-Romero

Quantum dots have the potential to be the brightest deterministic single photon source with plausible high end applications in quantum computing and cluster state generation. In this work, we re-examine the design of simple micropillars by…

Quantum Physics · Physics 2025-08-08 David Dlaka , Petros Androvitsaneas , Andrew Young , Qirui Ma , Edmund Harbord , Ruth Oulton

We study quantum dynamics of many-qubit systems strongly coupled to a quantized electromagnetic cavity field in the presence of decoherence and dissipation for both fermions and cavity photons, and taking into account the varying coupling…

Quantum Physics · Physics 2023-02-08 Mikhail Tokman , Alex Behne , Brandon Torres , Maria Erukhimova , Yongrui Wang , Alexey Belyanin

The properties of coupled emitters can differ dramatically from those of their individual constituents. Canonical examples include sub- and super-radiance, wherein the decay rate of a collective excitation is reduced or enhanced due to…

We study the one-dimensional extended Hubbard model coupled with an optical cavity, which describes an interplay of the effect of vacuum fluctuation of light and the quantum phase transition between the charge- and spin-density-wave phases.…

Strongly Correlated Electrons · Physics 2026-02-10 Taiga Nakamoto , Kazuaki Takasan , Naoto Tsuji

Using photoluminescence spectroscopy, we have investigated the nature of Rabi oscillation damping during active manipulation of excitonic qubits in self-assembled quantum dots. Rabi oscillations were recorded by varying the pulse amplitude…

Other Condensed Matter · Physics 2009-11-10 Q. Q. Wang , A. Muller , P. Bianucci , E. Rossi , Q. K. Xue , T. Takagahara , C. Piermarocchi , A. H. MacDonald , C. K. Shih

We present theoretical transmission spectra of a strongly driven, damped, flux qubit coupled to a dissipative resonator in the ultrastrong coupling regime. Such a qubit-oscillator system, described within a dissipative Rabi model,…

Quantum Physics · Physics 2021-11-22 L. Magazzù , P. Forn-Díaz , M. Grifoni

We study self sustained cavity emission from driven atoms in collective strong coupling. The cavity emission occurs over a wide range of atom-cavity and drive laser detunings without any external input to the cavity mode. Second order…

Atomic Physics · Physics 2025-01-27 V. R. Thakar , Arun Bahuleyan , V. I. Gokul , S. P. Dinesh , S. A. Rangwala

Cavity quantum electrodynamics of multipartite systems is studied in depth, which consist of an arbitrary number of emitters in interaction with an arbitrary number of cavity modes. The governing model is obtained by taking the full…

Quantum Physics · Physics 2015-09-30 Moslem Alidoosty Shahraki , Sina Ataollah Khorasani

Electron Paramagnetic Resonance experiments show that the decay of Rabi oscillations of ensembles of spin qubits depends noticeably on the microwave power and more precisely on the Rabi frequency, an effect recently called "driven…

Quantum Physics · Physics 2015-06-03 H. De Raedt , B. Barbara , S. Miyashita , K. Michielsen , S. Bertaina , S. Gambarelli

The Jaynes-Cummings (JC) model represents one of the simplest ways in which single qubits can interact with single photon modes, leading to profound quantum phenomena like superpositions of light and matter states. One system, that can be…

Mesoscale and Nanoscale Physics · Physics 2020-06-15 Daniel Groll , Daniel Wigger , Kevin Jürgens , Thilo Hahn , Christian Schneider , Martin Kamp , Sven Höfling , Jacek Kasprzak , Tilmann Kuhn

The paradigm of cavity QED is a two-level emitter interacting with a high quality factor single mode optical resonator. The hybridization of the emitter and photon wave functions mandates large vacuum Rabi frequencies and long coherence…

Quantum Physics · Physics 2020-02-19 Hadiseh Alaeian , Ralf Ritter , Muamera Basic , Robert Loew , Tilman Pfau

We discuss the equilibrium and out of equilibrium dynamics of cavity QED in presence of dissipation beyond the standard perturbative treatment of losses. Using the dynamical polaron \emph{ansatz} and Matrix Product State simulations, we…

Quantum Physics · Physics 2019-01-09 David Zueco , Juanjo García-Ripoll

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

We study the emission from a molecular photonic cavity formed by two proximal photonic crystal defect cavities containing a small number (<3) of In(Ga)As quantum dots. Under strong excitation we observe photoluminescence from the bonding…

We show that the interaction between carriers confined in a quantum dot and the surrounding lattice under external driving of carrier dynamics has a dynamical, resonant character. The quality of Rabi oscillations in such a system depends on…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Pawel Machnikowski , Lucjan Jacak

We study the quantum dynamics of a spin ensemble coupled to cavity photons. Recently, related experimental results have been reported, showing the existence of the strong coupling regime in such systems. We study the eigenenergy…

Mesoscale and Nanoscale Physics · Physics 2012-06-13 S. Miyashita , T. Shirai , T. Mori , H. De Raedt , S. Bertaina , I. Chiorescu

We present time-resolved spontaneous emission measurements of single quantum dots embedded in photonic crystal waveguides. Quantum dots that couple to the photonic crystal waveguide are found to decay up to 27 times faster than uncoupled…

Quantum Physics · Physics 2008-09-25 T. Lund-Hansen , S. Stobbe , B. Julsgaard , H. Thyrrestrup , T. Sünner , M. Kamp , A. Forchel , P. Lodahl

In this paper, we try to study the quantum discord dynamics in a complex correlated photon-matter model, which is modified from the Tavis-Cummings-Hubbard model - a common cavity quantum electrodynamics model. The target model consists of…

Quantum Physics · Physics 2024-08-02 Hui-hui Miao

We investigate the effect of electron-phonon interactions on the coherence properties of single photons emitted from a semiconductor cavity QED system, i.e. a quantum dot embedded in an optical cavity. The degree of indistinguishability,…

Mesoscale and Nanoscale Physics · Physics 2014-07-23 P. Kaer , J. Mork
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