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Circuit quantum electrodynamics allows one to probe, manipulate and couple superconducting quantum bits using cavity photons at an exquisite level. One of its cornerstones is the possibility to achieve the strong coupling which allows one…

Mesoscale and Nanoscale Physics · Physics 2018-10-24 L. E Bruhat , T. Cubaynes , J. J. Viennot , M. C. Dartiailh , M. M. Desjardins , A. Cottet , T. Kontos

Semiconductor quantum dots are a promising system to build a solid state quantum network. A critical step in this area is to build an efficient interface between a stationary quantum bit and a flying one. In this chapter, we show how cavity…

Quantum Physics · Physics 2015-02-05 Loic Lanco , Pascale Senellart

We report on recent developments in the integration of optical microresonators into atom chips and describe some fabrication and implementation challenges. We also review theoretical proposals for quantum computing with single atoms based…

Quantum Physics · Physics 2009-11-13 M. Trupke , J. Metz , A. Beige , E. A. Hinds

Coherent diffractive imaging has enabled the structural analysis of individual free nanoparticles in a single shot and offers the tracking of their light induced dynamics with unprecedented spatial and temporal resolution. The retrieval of…

Optics · Physics 2020-05-07 Björn Kruse , Benjamin Liewehr , Christian Peltz , Thomas Fennel

We analyze the impact of both an incoherent and a coherent continuous excitation on our proposal to generate a two-photon state from a quantum dot in a microcavity [New J. Phys. 13, 113014 (2011)]. A comparison between exact numerical…

Mesoscale and Nanoscale Physics · Physics 2012-11-01 Elena del Valle , Alejandro Gonzalez-Tudela , Fabrice P. Laussy

Cavity-based quantum node is a competitive platform for distributed quantum networks. Here, we characterize a high-finesse Fabry-Perot optical resonator for coupling single or few atomic quantum registers. Our cavity consists of two mirrors…

We demonstrate non-perturbative coupling between a single self-assembled InGaAs quantum dot and an external fiber-mirror based microcavity. Our results extend the previous realizations of tunable microcavities while ensuring spatial and…

Mesoscale and Nanoscale Physics · Physics 2013-04-09 J. Miguel-Sanchez , A. Reinhard , E. Togan , T. Volz , A. Imamoglu , B. Besga , J. Reichel , J. Esteve

The quantum dynamics of the coupling between a cavity optical field and a resonator microwave field via the electro-optic effect is studied. This coupling has the same form as the opto-mechanical coupling via radiation pressure, so all…

Quantum Physics · Physics 2010-07-02 Mankei Tsang

Semiconductor quantum-dot cavity systems are promising sources for solid-state based on-demand generation of single photons for quantum communication. Commonly, the spectral characteristics of the emitted single photon are fixed by system…

Mesoscale and Nanoscale Physics · Physics 2016-11-02 Dominik Breddermann , Dirk Heinze , Rolf Binder , Artur Zrenner , Stefan Schumacher

Motivated by recent experiments on the generation of coherent light in engineered hybrid quantum systems, we investigate gain in a microwave photonic cavity coupled to quantum dot structures, and develop concrete directions for achieving a…

Quantum Physics · Physics 2017-12-25 Bijay Kumar Agarwalla , Manas Kulkarni , Shaul Mukamel , Dvira Segal

We develop a full quantum-optical approach for optical self-feedback of a microcavity laser. These miniaturized devices work in a regime between the quantum and classical limit and are test-beds for the differences between a quantized…

Large conditional phase shifts from coupled atom-cavity systems are a key requirement for building a spin photon interface. This in turn would allow the realisation of hybrid quantum information schemes using spin and photonic qubits. Here…

Single photons from semiconductor quantum dots are promising resources for linear optical quantum computing, or, when coupled to spin states, quantum repeaters. To realize such schemes, the photons must exhibit a high degree of…

Mesoscale and Nanoscale Physics · Physics 2017-05-31 Ted S. Santana , Yong Ma , Ralph N. E. Malein , Faebian Bastiman , Edmund Clarke , Brian D. Gerardot

We investigate the quantum-optical properties of the light emitted by a nanoparticle-on-mirror cavity filled with a single quantum emitter. Inspired by recent experiments, we model a dark-field set-up and explore the photon statistics of…

Mesoscale and Nanoscale Physics · Physics 2022-08-25 R. Sáez-Blázquez , A. Cuartero-González , J. Feist , F. J. García-Vidal , A. I. Fernández-Domínguez

A quantum emitter interacting with photons in a single optical-mode constitutes a one-dimensional atom. A coherent and efficiently coupled one-dimensional atom provides a large nonlinearity, enabling photonic quantum gates. Achieving a high…

A single atom in a cavity is the model system of cavity quantum electrodynamics (CQED). The strong coupling regime between the atom and cavity-confined photon corresponds to the reversible exchange of energy between the two modes, and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 D. Sanvitto , F. P. Laussy , F. Bello , D. M. Whittaker , A. M. Fox , M. S. Skolnick , A. Tahraoui , P. W. Fry , M. Hopkinson

Giant optical nonlinearity is observed under both continuous-wave and pulsed excitation in a deterministically-coupled quantum dot-micropillar system, in a pronounced strong-coupling regime. Using absolute reflectivity measurements we…

We show how interference effects are responsible for manipulating the output electromagnetic field of an optical micro-resonator in the good-cavity limit. The system of interest consists in a moderately strongly pumped two-level emitter…

Quantum Physics · Physics 2014-10-29 Viorel Ciornea , Mihai A. Macovei

Semiconductor microcavities with artificial single-photon emitters have become one of the backbones of semiconductor quantum optics. In many cases however, technical and physical issues limit the study of optical fields to incoherently…

Quantum Physics · Physics 2015-12-01 L. Teuber , P. Grünwald , W. Vogel

Quantum emitters are a key component in photonic quantum technologies. Enhancing their single-photon emission by engineering the photonic environment using cavities can significantly improve the overall efficiency in quantum information…

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