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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

Multi-qubit quantum Rabi model, which is a fundamental model describing light-matter interaction, plays an important role in various physical systems. In this paper, we propose a theoretical method to simulate multi-qubit quantum Rabi model…

Quantum Physics · Physics 2019-02-27 Jialun Li , Gangcheng Wang , Ruoqi Xiao , Chunfang Sun , Chunfeng Wu , Kang Xue

We study electron transport properties through a double quantum dot (DQD) system coupled to a single mode photon cavity, DQD-cavity. The DQD system has a complex multilevel energy spectrum, in which by tuning the photon energy several…

Mesoscale and Nanoscale Physics · Physics 2022-07-04 Halo Anwar Abdulkhalaq , Nzar Rauf Abdullah , Vidar Gudmundsson

We investigate the single photon scattering in a phonon-photon hybrid system in the waveguide QED scheme. In our consideration, an artificial giant atom, which is dressed by the phonons in a surface acoustic wave resonator, interacts with a…

Quantum Physics · Physics 2023-07-19 Xinyu Li , Wei Zhao , Zhihai Wang

The quantum behavior of superconducting qubits coupled to resonators is very similar to that of atoms in optical cavities [1, 2], in which the resonant cavity confines photons and promotes strong light-matter interactions. The cavity…

Periodic driving plays a central role in quantum control, but its application in interacting spin systems is often restricted to near-resonant conditions, where standard averaging techniques remain valid. Here we investigate how detuning…

Quantum Physics · Physics 2026-04-21 Dionisio Cendoya , Lisandro Buljubasich , Eric G. Keeler , Carlos A. Meriles

Two-photon Rabi splitting in a cavity-dot system provides a basis for multi-qubit coherent control in quantum photonic network. Here we report on two-photon Rabi splitting in a strongly coupled cavity-dot system. The quantum dot was grown…

Using the Dirac-Frenkel variational principle, a time-dependent description of the dynamics of a two-level system coupled to a bosonic bath is formulated. The method is applied to the case of a gas of cold atoms adsorbing to an elastic…

Mesoscale and Nanoscale Physics · Physics 2024-12-04 Dennis P. Clougherty

The carrier-phonon interaction in semiconductor quantum dots can greatly affect the optical preparation of the excited state. For resonant excitation used in the Rabi preparation scheme, the polaron is formed accompanied by the emission of…

Mesoscale and Nanoscale Physics · Physics 2022-06-29 Thomas K. Bracht , Tim Seidelmann , Tilmann Kuhn , V. Martin Axt , Doris E. Reiter

Photoinduced charge dynamics in dimerized systems is studied on the basis of the exact diagonalization method and the time-dependent Schr\"odinger equation for a one-dimensional spinless-fermion model at half filling and a two-dimensional…

Strongly Correlated Electrons · Physics 2018-03-15 Kenji Yonemitsu

We investigate the phonon-induced decoherence and dissipation in a donor-based charge quantum bit realized by the orbital states of an electron shared by two dopant ions which are implanted in a silicon host crystal. The dopant ions are…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 J. Eckel , S. Weiss , M. Thorwart

We present a framework for the realization of dissipative evolutions of spin-boson models, including multiphoton exchange dynamics, as well as nonlinear transition rates. Our approach is based on the implementation of a generalized version…

Quantum Physics · Physics 2019-03-04 Ricardo Puebla , Jorge Casanova , Oussama Houhou , Enrique Solano , Mauro Paternostro

Plasmonic dimer cavities can induce extreme electric-field hot spots that allow one to access ultrastrong coupling regimes using Raman-type spectroscopy on single vibrating molecules. Using a generalized master equation, we study resonant…

Quantum Physics · Physics 2021-07-29 Stephen Hughes , Alessio Settineri , Salvatore Savasta , Franco Nori

Strong light-matter coupling is a quantum process in which light and matter are coupled together, generating hybridized states. This is similar to the notion of molecular hybridization, but one of the components is light. Here, we utilized…

Applied Physics · Physics 2024-02-20 Jhuma Dutta , Pooja Bhatt , Kuljeet Kaur , Daniel E. Gómez , Jino George

The precise control of light-matter interaction serves as a cornerstone for diverse quantum technologies, spanning from quantum computing to advanced atom optics. Typical experiments often feature multi-mode fields and require atoms with…

Quantum Physics · Physics 2025-07-08 Sabrina Hartmann , Nicolija Momčilović , Alexander Friedrich

A novel quantum control protocol utilizing two-photon processes with trigonometric pulse modulation is developed, enabling the intermediate state population's dynamic elimination (DE). The proposed DE technique excels at single-photon…

Quantum Physics · Physics 2025-07-04 Sebastian C. Carrasco , Sean Lourette , Ignacio Sola , Vladimir S. Malinovsky

The goal of this chapter is to investigate the effects of relaxation and dephasing on the quantum Rabi model in the ultrastrong coupling regime, and to provide explicit formulas to implement and numerically solve the resulting nonunitary…

Quantum Physics · Physics 2026-04-13 Alexandre P. Costa , Hebert S. Rego de Oliveira , Alexandre Dodonov

We consider a nonstationary circuit QED system described by the quantum Rabi model, in which an artificial two-level atom with a tunable transition frequency is coupled to a single-mode resonator. We focus on regimes where the external…

Quantum Physics · Physics 2025-08-15 A. P. Costa , H. R. Schelb , A. V. Dodonov

The nonclassical feature of photons in the open finite-size Dicke model is investigated via the two-photon correlation function. The quantum dressed master equation combined with the extended coherent photonic states is applied to analyze…

Quantum Physics · Physics 2020-08-26 Heguang Xu , Chen Wang , Xianlong Gao

We study the quantum Rabi model for a two-level system coupled to a quantized cavity mode under periodic modulation of the cavity-dipole coupling in the ultrastrong coupling regime, leading to rich Floquet states. As an application of the…

Quantum Physics · Physics 2025-02-13 Kamran Akbari , Franco Nori , Stephen Hughes