English
Related papers

Related papers: A cavity QED system with defect-free single-atom a…

200 papers

We develop a quantum optical formalism to treat a two-dimensional array of atoms placed in an optical cavity. Importantly, and in contrast to typical treatments, we account for cooperative dipole-dipole effects mediated by the interaction…

Quantum Physics · Physics 2020-06-04 Ephraim Shahmoon , Dominik S. Wild , Mikhail D. Lukin , Susanne F. Yelin

An experiment is performed where a single rubidium atom trapped within a high-finesse optical cavity emits two independently triggered entangled photons. The entanglement is mediated by the atom and is characterized both by a Bell…

Quantum Physics · Physics 2009-01-26 B. Weber , H. P. Specht , T. Mueller , J. Bochmann , M. Muecke , D. L. Moehring , G. Rempe

A quantum dipole interacting with an optical cavity is one of the key models in cavity quantum electrodynamics (cavity-QED). To treat this system theoretically, the typical approach is to truncate the dipole to two levels. However, it has…

Neutral atom arrays provide a versatile platform for quantum information processing. However, in large-scale arrays, efficient photon collection remains a bottleneck for key tasks such as fast, non-destructive qubit readout and remote…

We investigate the suitability of toroidal microcavities for strong-coupling cavity quantum electrodynamics (QED). Numerical modeling of the optical modes demonstrate a significant reduction of modal volume with respect to the whispering…

Quantum Physics · Physics 2009-11-10 S. M. Spillane , T. J. Kippenberg , K. J. Vahala , K. W. Goh , E. Wilcut , H. J. Kimble

The efficiency of an ensemble-based optical quantum memory depends critically on the strength of the atom-light coupling. An optical cavity is an effective method to enhance atom-light coupling strength, with the drawback that cavities can…

In distributed quantum information processing, flying photons entangle matter qubits confined in cavities. However, when a matter qubit is homogeneously broadened, the strong-coupling regime of cavity QED is typically required, which is…

Quantum Physics · Physics 2015-06-04 Kazuki Koshino , Yuichiro Matsuzaki

We extend an earlier model by Law {\it et al.} \cite{law} for a cavity QED based single-photon-gun to atom-photon entanglement generation and distribution. We illuminate the importance of a small critical atom number on the fidelity of the…

Quantum Physics · Physics 2009-11-10 B. Sun , M. S. Chapman , L. You

We propose a scheme of the interaction-free all-optical switching in a multi-atom cavity QED system consisting of three-level atoms confined in a cavity and coupled by a free-space control laser. A signal laser field is coupled into the…

Optics · Physics 2015-06-17 Bichen Zou , Zheng Tan , Mohamed Musa , Yifu Zhu

Coupled quantum electrodynamics (QED) cavities have been recently proposed as new systems to simulate a variety of equilibrium and non-equilibrium many-body phenomena. We present a brief review of their main properties together with a…

Strongly Correlated Electrons · Physics 2010-05-04 Andrea Tomadin , Rosario Fazio

We present a novel cavity QED system in which a Bose-Einstein condensate (BEC) is trapped within a high-finesse optical cavity whose length may be adjusted to access both single-mode and multimode configurations. We demonstrate the coupling…

We present and characterize an experimental system in which we achieve the integration of an ultrahigh finesse optical cavity with a Bose-Einstein condensate (BEC). The conceptually novel design of the apparatus for the production of BECs…

Other Condensed Matter · Physics 2016-08-16 Anton Öttl , Stephan Ritter , Michael Köhl , Tilman Esslinger

In a cavity quantum electrodynamics (QED) system, where atoms coherently interact with photons in a cavity, the eigenstates of the system are the superposition states of atoms and cavity photons, the so-called dressed states of atoms. When…

Quantum Physics · Physics 2019-03-15 Shinya Kato , Nikolett Német , Kohei Senga , Shota Mizukami , Xinhe Huang , Scott Parkins , Takao Aoki

We describe a qualitatively new regime of cavity quantum electrodynamics, the super strong coupling regime. This regime is characterized by atom-field coupling strengths of the order of the free spectral range of the cavity, resulting in a…

Quantum Physics · Physics 2009-11-13 D. Meiser , P. Meystre

Nonperturbative coupling of light with condensed matter in an optical cavity is expected to reveal a host of coherent many-body phenomena and states. In addition, strong coherent light-matter interaction in a solid-state environment is of…

We demonstrate cavity QED conditions in the Purcell regime for single quantum emitters on the surface of an optical nanofiber. The cavity is formed by combining an optical nanofiber and a nanofabricated grating to create a composite…

Optics · Physics 2014-10-08 Ramachandrarao Yalla , Mark Sadgrove , Kali P. Nayak , Kohzo Hakuta

We propose a special cavity design that is constructed by terminating a one-dimensional waveguide with a perfect mirror at one end and doping a two-level atom at the other. We show that this atom plays the intrinsic role of a…

Quantum Physics · Physics 2015-05-13 H. Dong , Z. R. Gong , H. Ian , Lan Zhou , C. P. Sun

We study the coherent scattering process of a single photon confined in an one-dimensional (1D) coupled cavity-array, where a $\Lambda$-type three-level atom is placed inside one of the cavities in the array and behaves as a functional…

Quantum Physics · Physics 2008-11-10 Z. R. Gong , H. Ian , Lan Zhou , C. P. Sun

We introduce a photonic crystal waveguide-cavity system for controlling single photon cavity-QED processes. Exploiting Bloch mode analysis, and medium-dependent Green function techniques, we demonstrate that the propagation of single…

Optics · Physics 2012-01-13 P. Yao , S. Hughes

We study single-photon transport in an array of coupled microcavities where two two-level atomic systems are embedded in two separate cavities of the array. We find that a single-photon can be totally reflected by a single two-level system.…

Quantum Physics · Physics 2009-11-13 Lan Zhou , H. Dong , Yu-xi Liu , C. P. Sun , Franco Nori
‹ Prev 1 4 5 6 7 8 10 Next ›