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We study the controllable single-photon scattering via a one-dimensional waveguide which is coupled to a two-level emitter and a single-mode cavity simultaneously. The emitter and the cavity are also coupled to each other and form a…

Quantum Physics · Physics 2019-11-13 Zhihai Wang , Lei Du , Yong Li , Yu-xi Liu

We consider classical and quantum electromagnetic fields in a three-dimensional (3D) cavity and in a waveguide with oscillating boundaries of the frequency $\Omega $. The photons created by the parametric resonance are distributed in the…

Quantum Physics · Physics 2009-10-30 Jeong-Young Ji , Kwang-Sup Soh , Rong-Gen Cai , Sang Pyo Kim

Giant atoms -- quantum emitters that couple to light at multiple discrete points -- are emerging as a new paradigm in quantum optics thanks to their many promising properties, such as decoherence-free interaction. While most previous work…

Quantum Physics · Physics 2023-01-18 Ariadna Soro , Carlos Sánchez Muñoz , Anton Frisk Kockum

We consider a pair of parallel straight quantum waveguides coupled laterally through a window of a width $ \ell $ in the common boundary. We show that such a system has at least one bound state for any $ \ell>0 $. We find the corresponding…

Condensed Matter · Physics 2009-10-28 P. Exner , P. Šeba , M. Tater , D. Vaněk

Cavities play a fundamental role in wave phenomena from quantum mechanics to electromagnetism and dictate the spatiotemporal physics of lasers. In general, they are constructed by closing all "doors" through which waves can escape. We…

In this paper, we present a scheme to generate an entangled coherent state by considering a three-level \Lambda - type atom interacting with a two-mode cavity driven by classical fields. The two-mode entangled coherent state can be obtained…

Quantum Physics · Physics 2009-11-13 Qing-Xia Mu , Yong-Hong Ma , L. Zhou

A three-level atom in the $\Lambda$-configuration coupled to a microcavity is studied. The two transitions of the atom are assumed couple to different counterpropagating mode pairs in the cavity. We analyze the dynamics both, in the…

Quantum Physics · Physics 2015-05-30 S. I. Schmid , J. Evers

The physics of systems of quantum emitters in waveguide quantum electrodynamics is significantly influenced by the relation between their spatial separation and the wavelength of the emitted photons. If the distance that separates a pair of…

Quantum Physics · Physics 2025-09-11 Ammara Ammara , Paolo Facchi , Saverio Pascazio , Francesco V. Pepe , Debmalya Das

In this paper, we investigate the generation of continuous variable entanglement between two spatially-separate nanocavities mediated by a coupled resonator optical waveguide in photonic crystals. By solving the exact dynamics of the cavity…

Quantum Physics · Physics 2013-05-29 Hua-Tang Tan , Wei-Min Zhang , Gao-xiang Li

Long distance (1.4 micron) interaction of two different InAs/GaAs quantum dots in a photonic crystal microcavity is observed. Resonant optical excitation in the p-state of any of the quantum dots, results in an increase of the s-state…

We theoretically study a system composed by a waveguide and a moving quantum emitter in the single excitation subspace, treating the emitter motional degree of freedom quantum mechanically. We first characterize single-photon scattering off…

We consider a single Rydberg atom having two degenerate levels interacting with the radiation field in a single-mode ideal cavity. The transition between the levels is carried out by a $\Lambda$-type degenerate two-photon process via a…

atom-ph · Physics 2008-02-03 N. Nayak , S. S. Hassan , T. Biswas

Bound states in the continuum (BiCs) convert dissipative open systems into effectively closed quantum subspaces through destructive interference. We show that two identical giant atoms coupled to a one-dimensional waveguide support BICs…

Quantum Physics · Physics 2026-02-27 Alexis R. Legón , Mario Miranda Rojas , Pedro Orellana , Ariel Norambuena

The dynamics of the interaction between an atom of three levels interacting with a quantized field of two modes in a cavity is studied within the rotating wave approximation, by taking into account experimental values of the accessible…

Quantum Physics · Physics 2025-02-25 A. del Rio-Lima , F. J. Poveda-Cuevas , O. Castaños

We study the existence of bound states in the continuum for a system of n two-level quantum emitters, coupled with a one-dimensional boson field, in which a single excitation is shared among different components of the system. The emitters…

Quantum Physics · Physics 2019-08-27 Paolo Facchi , Davide Lonigro , Saverio Pascazio , Francesco V. Pepe , Domenico Pomarico

We consider the cooperative spontaneous emission of a system of two identical atoms, interacting with the electromagnetic field in the vacuum state and in the presence of an oscillating mirror. We assume that the two atoms, one in the…

We show that coherent control of the steady-state long-distance entanglement between pairs of cavity-atom systems in an array of lossy and driven coupled resonators is possible. The cavities are doped with atoms and are connected through…

Quantum Physics · Physics 2010-08-27 Dimitris G. Angelakis , Li Dai , Leong-Chuan Kwek

We discuss the properties of atom-photon bound states in waveguide QED systems consisting of single or multiple atoms coupled strongly to a finite-bandwidth photonic channel. Such bound states are formed by an atom and a localized photonic…

Quantum Physics · Physics 2016-07-07 Giuseppe Calajo , Francesco Ciccarello , Darrick Chang , Peter Rabl

We study the dynamics of a quantum superconducting circuit which is the analogue of an atom in a high-Q cavity. The circuit consists of a Josephson charge qubit coupled to a superconducting resonator. The charge qubit can be treated as a…

Superconductivity · Physics 2007-05-23 O. Buisson , F. W. J. Hekking

Light-matter interaction at the single-quantum level is the heart of many regimes of high fundamental importance to modern quantum technologies. Strong interaction of a qubit with a single photon of an electromagnetic field mode is…