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We propose that light-matter coupling can be used to realize synthetic lattices. In particular, we consider a one-dimensional chain of exciton-photon sites to create a comb lattice that exhibits a transition from a flat band to a finite…

Mesoscale and Nanoscale Physics · Physics 2023-04-27 Amir Rahmani , Mateusz Kędziora , Andrzej Opala , Michał Matuszewski

The Jaynes-Cummings model, describing the interaction between a single two-level system and a photonic mode, has been used to describe a large variety of systems, ranging from cavity quantum electrodynamics, trapped ions, to superconducting…

Mesoscale and Nanoscale Physics · Physics 2013-02-05 Natsuko Ishida , Tim Byrnes , Franco Nori , Yoshihisa Yamamoto

e study theoretically, the photoluminescence properties of a single quantum dot in a microcavity under incoherent excitation. We propose a microscopic quantum statistical approach providing a Lindblad (thus completely positive) description…

Mesoscale and Nanoscale Physics · Physics 2009-06-09 A. Ridolfo , O. Di Stefano , S. Portolan , S. Savasta

We present an open-system master equation study of the coherent and incoherent resonance fluorescence spectrum from a two-level quantum system under coherent pulsed excitation. Several pronounced features which differ from the fluorescence…

Quantum Physics · Physics 2018-02-09 Chris Gustin , Ross Manson , Stephen Hughes

We show that resonance fluorescence, i.e. the resonant emission of a coherently driven two-level system, can be realized with a semiconductor quantum dot. The dot is embedded in a planar optical micro-cavity and excited in a wave-guide mode…

We study the interplay between charge transport and light-matter interactions in a confined geometry, by considering an open, mesoscopic chain of two-orbital systems resonantly coupled to a single bosonic mode close to its vacuum state. We…

This article reviews recent theoretical and experimental advances in the fundamental understanding and active control of quantum fluids of light in nonlinear optical systems. In presence of effective photon-photon interactions induced by…

Quantum Gases · Physics 2013-02-25 Iacopo Carusotto , Cristiano Ciuti

The photoluminescence spectrum of a single quantum dot was recorded as a secondary resonant laser optically dressed either the vacuum-to-exciton or the exciton-to-biexciton transitions. High-resolution polarization-resolved measurements…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Andreas Muller , Wei Fang , John Lawall , Glenn S. Solomon

Information about quantum phase transitions in conventional condensed matter systems, must be sought by probing the matter system itself. By contrast, we show that mixed matter-light systems offer a distinct advantage in that the photon…

Quantum Physics · Physics 2009-11-13 Timothy C. Jarrett , Alexandra Olaya-Castro , Neil F. Johnson

We present a microscopic quantum theory of light-matter interaction in pristine sheets of two-dimensional semiconductors coupled to localized electromagnetic resonators such as optical nanocavities or plasmonic particles. The light-matter…

Quantum Physics · Physics 2022-03-02 E. V. Denning , M. Wubs , N. Stenger , J. Mork , P. T. Kristensen

We show that a robust macroscopic atom-molecule dark state can exist in fermionic systems, which represents a coherent superposition between the ground molecular BEC and the atomic BCS paired state. We take advantage of the tunability…

Other Condensed Matter · Physics 2007-10-23 Andrew Robertson , Lei Jiang , Han Pu , Weiping Zhang , Hong Y. Ling

We present detailed numerical simulations of semiclassical and quantum spectra of a cavity quantum electrodynamics system consisting of a single three-level atom in $\Lambda$-configuration with one of its transitions strongly interacting…

Quantum Physics · Physics 2022-02-17 M. O. Musa , H. Temimi , Y. Zhu

We consider a model of a light-matter system, in which a system of fermions (or bosons) is coupled to a photonic mode that drives a phase transitions in the matter degrees of freedom. Starting from a simplified analytical model, we show…

Strongly Correlated Electrons · Physics 2022-10-10 Giuliano Chiriacò , Marcello Dalmonte , Titas Chanda

The semiclassical theory of light-matter interactions describes the interaction between a classical electromagnetic field with a quantum mechanical two-level system.We show that the quantum mechanical two-level system can be modeled by a…

Optics · Physics 2016-04-18 Martin Frimmer , Lukas Novotny

We study the ground-state properties of one-dimensional mixtures of bosonic and fermionic atoms resonantly coupled to fermionic Feshbach molecules. When the particle densities of fermionic atoms and Feshbach molecules differ, the system…

Quantum Gases · Physics 2013-10-18 Shimul Akhanjee , Masahisa Tsuchiizu , Akira Furusaki

We study the time-resolved fluorescence spectrum in two-level systems interacting with an incident coherent field, both in the weak and intermediate coupling regimes. For a single two-level system in the intermediate coupling case, as time…

Quantum Physics · Physics 2020-07-22 Emil Viñas Boström , Andrea D'Andrea , Michele Cini , Claudio Verdozzi

Interaction between a quantum system and its environment can induce stationary coherences -- off-diagonal elements in the reduced system density matrix -- even at equilibrium. This work investigates the ``quantumness'' of such phenomena by…

Quantum Physics · Physics 2020-07-15 Mike Reppert , Deborah Reppert , Leonardo A. Pachon , Paul Brumer

The ultrastrong and deep strong coupling regimes exhibit a variety of intriguing physical phenomena. In this work, we utilize the Hopfield model of a two-mode bosonic system, with each mode interacts with a heat reservoir, to research the…

Quantum Physics · Physics 2026-01-28 Yu-qiang Liu , Qiulin Long , Yi-jia Yang , Zheng Liu , Ting-ting , Ma , Bao-qing , Guo , Xingdong , Zhao , Zunlue , Zhu , Wuming , Liu , Chang-shui Yu

Intense spatio-spectral twin beams generated in the regime with pump depletion are analyzed applying a suggested quantum model that treats the signal, idler and pump fields in the same way. The model assumes the signal and idler fields in…

Quantum Physics · Physics 2017-09-26 Jan Perina

We study theoretically the quantum optical properties of hybrid molecules composed of an individual quantum dot and a metallic nanoparticle. We calculate the resonance fluorescence of this hybrid system. Its incoherent part, the one arising…

Quantum Physics · Physics 2010-04-12 A. Ridolfo , O. Di Stefano , N. Fina , R. Saija , S. Savasta