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Laser cooled and quantum degenerate atoms are widely being pursued as quantum simulators that may explain the behavior of strongly correlated material systems, and as the basis of today's most precise sensors. A key challenge towards these…

Quantum confinement, magnetic-field effects, and laser coupling with the two low-lying states of electrons bound to donor impurities in semiconductors may be used to coherently manipulate the two-level donor system in order to establish the…

Soft Condensed Matter · Physics 2009-11-10 H. S. Brandi , A. Latge , L. E. Oliveira

We demonstrate a photonic crystal nanocavity laser essentially driven by a self-assembled InAs/GaAs single quantum dot gain. The investigated nanocavities contain only 0.4 quantum dots on an average; an ultra-low density quantum dot sample…

Other Condensed Matter · Physics 2015-05-13 Masahiro Nomura , Naoto Kumagai , Satoshi Iwamoto , Yasutomo Ota , Yasuhiko Arakawa

We study the quantum dynamics of an ultracold atomic gas in a deep optical lattice within an optical high-$Q$ resonator. The atoms are coherently illuminated with the cavity resonance tuned to a blue vibrational sideband, so that photon…

Quantum Physics · Physics 2007-12-18 Thomas Salzburger , Helmut Ritsch

We show that strong-coupling (SC) of light and matter as it is realized with quantum dots (QDs) in microcavities differs substantially from the paradigm of atoms in optical cavities. The type of pumping used in semiconductors yields new…

Mesoscale and Nanoscale Physics · Physics 2009-02-01 Fabrice P. Laussy , Elena del Valle , Carlos Tejedor

QED-model for multichain coupled qubit system, proposed in \cite{Part1}, was confirmed by Raman scattering studies of quasi-1D carbon zigzag-shaped nanotubes (CZSNTs), produced by high energy ion beam modification of natural diamond single…

Quantum Physics · Physics 2011-05-27 Dmitry Yearchuck , Alla Dovlatova

The quantum Rabi model (QRM), composed of a qubit interacting with a quantized photonic field, is a cornerstone of quantum optics. The QRM with dominant unitary dynamics has been demonstrated in circuit quantum electrodynamics (QED)…

Quantum Physics · Physics 2025-06-23 Wen Ning , Ri-Hua Zheng , Jia-Hao Lü , Ken Chen , Xin Zhu , Fan Wu , Zhen-Biao Yang , Shi-Biao Zheng

Since the photon box gedanken experiments of several of the founding fathers of modern physics, considerable progress has been made in differentiating the quantum and classical worlds. In this pursuit, the cavity as an open quantum system…

Quantum Physics · Physics 2014-12-02 Nathan D. Poulin

A single quantum emitter can possess a very strong intrinsic nonlinearity, but its overall promise for nonlinear effects is hampered by the challenge of efficient coupling to incident photons. Common nonlinear optical materials, on the…

Multi-photon lasing has been realized in systems with strong nonlinear interactions between emitters and cavity modes, where single-photon processes are suppressed. Coherence between the internal states of a quantum emitter, or among…

Quantum Physics · Physics 2025-12-16 Lavakumar Addepalli

We consider a two-photon Rabi model with one of the cavity mirrors connected by a mechanical oscillator in strong-coupling regime. We find that when the cavity is in its vacuum state, there exists a resonant coupling between the atom and…

Quantum Physics · Physics 2021-06-29 Miao Yin

We propose an experimental scheme to implement a strong photon blockade with a single quantum dot coupled to a nanocavity. The photon blockade effect can be tremendously enhanced by driving the cavity and the quantum dot simultaneously with…

Quantum Physics · Physics 2015-03-19 Jing Tang , Weidong Geng , Xiulai Xu

We realize a photonic analog simulator of the quantum Rabi model, based on light transport in femtosecond-laser-written waveguide superlattices, which provides an experimentally accessible testbed to explore the physics of light-matter…

Quantum Physics · Physics 2012-05-14 Andrea Crespi , Stefano Longhi , Roberto Osellame

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

The quantum Rabi oscillations in a coherently driven quantum dot embedded in a high-Q doubly resonant semiconductor micro-cavity in the presence of a strong second-order nonlinear medium is investigated theoretically. It is shown that the…

Quantum Physics · Physics 2019-11-26 Vijay Bhatt , Pradip K. Jha , Aranya B Bhattacherjee

We propose the use of coherent control of a multi-qubit--cavity QED system in order to explore novel phase transition phenomena in a general class of multi-qubit--cavity systems. In addition to atomic systems, the associated super-radiant…

Quantum Physics · Physics 2007-05-23 Timothy C. Jarrett , Chiu Fan Lee , Neil F. Johnson

Cavity-enhanced radiation pressure coupling between optical and mechanical degrees of freedom allows quantum-limited position measurements and gives rise to dynamical backaction enabling amplification and cooling of mechanical motion. Here…

We study analytically the dynamics of cavity QED nodes in a practical quantum network. Given a single 3-level $\Lambda$-type atom or quantum dot coupled to a micro-cavity, we derive several necessary and sufficient criteria for the coherent…

Quantum Physics · Physics 2007-05-23 David Fattal , Ray Beausoleil , Yoshihisa Yamamoto

Active wavelength-scale optoelectronic components are widely used in photonic integrated circuitry, however coherent sources of light -- namely optical lasers -- remain the most challenging component to integrate. Semiconductor nanowire…

Embedding quantum dot circuits into microwave cavities has emerged as a novel platform for controlling photon emission statistics by electrical means. With such a circuit version of the Rabi model, we reveal previously undefined quantum…

Mesoscale and Nanoscale Physics · Physics 2025-04-14 Lei-Lei Nian , Yi-Cheng Wang , Jin-Yi Wang , Long Xiong , Bo Zheng , Jing-Tao Lü