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We generalize the quantum optical input-output theory developed for optical cavities to ultracold fermionic atoms confined in a trapping potential, which forms an "atom cavity". In order to account for the Pauli exclusion principle, quantum…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 C. P. Search , S. Poetting , W. Zhang , P. Meystre

Electron-phonon coupling in semiconductor quantum dots plays a significant role in determining the optical properties of excited excitons, especially the spectral nature of emitted photons. This paper presents a comprehensive theory and…

Quantum Physics · Physics 2016-06-02 Kaushik Roy-Choudhury , Stephen Hughes

Single atoms absorb and emit light from a resonant laser beam photon by photon. We show that a single atom strongly coupled to an optical cavity can absorb and emit resonant photons in pairs. The effect is observed in a photon correlation…

Quantum Physics · Physics 2009-11-13 A. Kubanek , A. Ourjoumtsev , I. Schuster , M. Koch , P. W. H. Pinkse , K. Murr , G. Rempe

Quantum optical systems, like trapped ions, are routinely described by master equations. The purpose of this paper is to introduce a master equation for two-sided optical cavities with spontaneous photon emission. To do so, we use the same…

Quantum Physics · Physics 2015-01-22 Thomas M. Barlow , Robert Bennett , Almut Beige

The input-output formalism is the basis to study the response of an optical cavity to the external stimulations. The existing theories usually handle cavity systems with only one internal mode. However, there is growing interest in more…

Mesoscale and Nanoscale Physics · Physics 2020-04-27 H. Y. Yuan , Weichao Yu , Jiang Xiao

We present a formalism that accounts for the evolution of quantum states of travelling light pulses incident on and emanating from a local quantum scatterer such as an atom or a cavity. We assume non-dispersive asymptotic propagation of the…

Quantum Physics · Physics 2019-09-25 Alexander Holm Kiilerich , Klaus Mølmer

We study the quantum properties of the electromagnetic field in optical cavities coupled to an arbitrary number of escape channels. We consider both inhomogeneous dielectric resonators with a scalar dielectric constant $\epsilon({\bf r})$…

Quantum Physics · Physics 2009-11-07 C. Viviescas , G. Hackenbroich

The quantized electromagnetic field inside and outside an absorbing high-$Q$ cavity is studied, with special emphasis on the absorption losses in the coupling mirror and their influence on the outgoing field. Generalized operator…

Quantum Physics · Physics 2009-11-11 M. Khanbekyan , D. -G. Welsch , A. A. Semenov , W. Vogel

Coupling between molecules and vacuum photon fields inside an optical cavity has proven to be an effective way to engineer molecular properties, in particular reactivity. To ease the rationalization of cavity induced effects we introduce an…

Chemical Physics · Physics 2022-04-06 Rosario R. Riso , Tor S. Haugland , Enrico Ronca , Henrik Koch

Input-output theory is invaluable for treating superconducting and photonic circuits connected by transmission lines or waveguides. However, this theory cannot in general handle situations in which retro-reflections from circuit components…

Quantum Physics · Physics 2018-07-11 Robert Cook , David Schuster , Andrew Cleland , Kurt Jacobs

This chapter introduces cavity-based light-matter quantum interfaces, with a single atom or ion in strong coupling to a high-finesse optical cavity. We discuss the deterministic generation of indistinguishable single photons from these…

Quantum Physics · Physics 2015-02-25 Axel Kuhn

Over the last decades, quantum optics has evolved from high quality factor cavities in the early experiments toward new cavity designs involving leaky modes. Despite very reliable models, in the concepts of cavity quantum electrodynamics,…

Quantum Physics · Physics 2023-06-29 Astghik Saharyan , Benjamin Rousseaux , Zsolt Kis , Sergiy Stryzhenko , Stéphane Guérin

In this work we present a very simple approach to input-output relations in optical cavities, limiting ourselves to one- and two-photon states of the field. After field quantization, we derive the non-unitary transformation between {\em…

Quantum Physics · Physics 2009-10-31 Andrea Aiello

We study the squeezing of output quadratures of an electro-magnetic field escaping from a resonator coupled to a general quantum system with arbitrary interaction strengths. The generalized theoretical analysis of output squeezing proposed…

Quantum Physics · Physics 2016-12-08 Roberto Stassi , Salvatore Savasta , Luigi Garziano , Bernardo Spagnolo , Franco Nori

A general rate theory for resonance energy transfer is formulated to incorporate any degrees of freedom (e.g., rotation, vibration, exciton, and polariton) as well as coherently-coupled composite states. The compact rate expression allows…

Chemical Physics · Physics 2022-01-31 Jianshu Cao

The dynamics of an initially excited two-level atom in a lossy cavity is studied by using the quantum trajectory method. Unwanted losses are included, such as photon absorption and scattering by the cavity mirrors and spontaneous emission…

Quantum Physics · Physics 2008-04-18 C. Di Fidio , W. Vogel , M. Khanbekyan , D. -G. Welsch

Nonlinear optics underpins quantum photonics by enabling the generation and control of quantum states of light. We present new applications of optical resonators as mode selectors in nonlinear processes. First, we show that cavity-enhanced…

Quantum Physics · Physics 2025-10-02 Xin Chen

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

Setting off from the classic input-output formalism, we develop a theoretical framework to characterise the Gaussian quantum channels relating the initial correlations of an open bosonic system to those of properly identified output modes.…

Quantum Physics · Physics 2012-10-01 Tommaso Tufarelli , Alex Retzker , Martin B. Plenio , Alessio Serafini

We study the optical emission from single semiconductor quantum dots coupled to the optical modes of photonic crystal nanocavities. For dots that are both spectrally and spatially coupled, auto-correlation measurements reveal efficient…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. Kaniber , A. Laucht , A. Neumann , J. M. Villas-Boas , M. Bichler , M. -C. Amann , J. J. Finley
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