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We performed an experimental study of coupled optical cavity arrays in a photonic crystal platform. We find that the coupling between the cavities is significantly larger than the fabrication-induced disorder in the cavity frequencies.…

Optical cavities are one of the best ways to increase atom-light coupling and will be a key ingredient for future quantum technologies that rely on light-matter interfaces. We demonstrate that traveling-wave "ring" cavities can achieve a…

Atomic Physics · Physics 2018-09-24 Kevin C. Cox , David H. Meyer , Nathan A. Schine , Fredrik K. Fatemi , Paul D. Kunz

The long-lived, efficient storage and retrieval of a qubit encoded on a photon is an important ingredient for future quantum networks. Although systems with intrinsically long coherence times have been demonstrated, the combination with an…

Quantum Physics · Physics 2017-12-13 M. Körber , O. Morin , S. Langenfeld , A. Neuzner , S. Ritter , G. Rempe

We study the dynamical Casimir effect in the presence of a finite coherence time, which is associated with a finite quality factor of the optical cavity. We use the time refraction model, where a fixed cavity with a modulated optical…

Quantum Physics · Physics 2015-05-20 J. T. Mendonca , G. Brodin , M. Marklund

The mechanical properties of light have found widespread use in the manipulation of gas-phase atoms and ions, helping create new states of matter and realize complex quantum interactions. The field of cavity-optomechanics strives to scale…

Optics · Physics 2015-08-24 Kejie Fang , Matthew H. Matheny , Xingsheng Luan , Oskar Painter

We investigate how superpositions of motional coherent states naturally arise in the dynamics of a two-level trapped ion coupled to the quantized field inside a cavity. We extend our considerations including a more realistic set up where…

Quantum Physics · Physics 2015-08-17 F. L. Semiao , A. Vidiella-Barranco

A novel regime of atom-cavity physics is explored, arising when large atom samples dispersively interact with high-finesse optical cavities. A stable far detuned optical lattice of several million rubidium atoms is formed inside an optical…

Quantum Physics · Physics 2009-11-11 Julian Klinner , Malik Lindholdt , Boris Nagorny , Andreas Hemmerich

Optical cavities are a foundational technology for controlling light-matter interactions. While interfacing a single cavity to either an atom or ensemble has become a standard tool, the advent of single atom control in large atomic arrays…

Atomic Physics · Physics 2026-02-09 Anna Soper , Danial Shadmany , Adam L. Shaw , Lukas Palm , David I. Schuster , Jonathan Simon

The advent of the digital age has driven the development of coherent optical modems--devices that modulate the amplitude and phase of light in multiple polarization states. These modems transmit data through fiber optic cables that are…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Parsa Mirdehghan , Brandon Buscaino , Maxx Wu , Doug Charlton , Mohammad E. Mousa-Pasandi , Kiriakos N. Kutulakos , David B. Lindell

Quantum networks require functional nodes consisting of stationary registers with the capability of high-fidelity quantum processing and storage, which efficiently interface with photons propagating in an optical fiber. We report a…

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

Quantum networking can be realized by distributing pairs of entangled qubits between remote quantum processing nodes. Devoted communication qubits within each node can naturally interface with photons which bus quantum information between…

Quantum Physics · Physics 2025-06-09 Ely Novakoski , Jungsang Kim

Trapped atomic ions embedded in optical cavities are a promising platform to enable long-distance quantum networks and their most far-reaching applications. Here we achieve and analyze photon indistinguishability in a telecom-converted…

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

Optical cavities are a cornerstone of photonics. They are indispensable in lasers, optical filters, optical combs and clocks, in quantum physics, and have enabled the detection of gravitational waves. Cavities transmit light only at…

Quantum logic gates are fundamental building blocks of quantum computers. Their integration into quantum networks requires strong qubit coupling to network channels, as can be realized with neutral atoms and optical photons in cavity…

Quantum Physics · Physics 2018-02-08 Stephan Welte , Bastian Hacker , Severin Daiss , Stephan Ritter , Gerhard Rempe

Long qubit coherence and efficient atom-photon coupling are essential for advanced applications in quantum communication. One technique to maintain coherence is dynamical decoupling, where a periodic sequence of refocusing pulses is…

Quantum Physics · Physics 2021-02-02 Chang Hoong Chow , Boon Long Ng , Christian Kurtsiefer

In the design optimisation of ion-cavity interfaces for quantum networking applications, difficulties occur due to the many competing figures of merit and highly interdependent design constraints, many of which present `soft-limits',…

We consider theoretically the optomechanical interaction of several mechanical modes with a single quantized cavity field mode for linear and quadratic coupling. We focus specifically on situations where the optical dissipation is the…

Quantum Physics · Physics 2014-10-24 H. Seok , L. F. Buchmann , S. Singh , P. Meystre

We study the photon transfer along a linear array of three coupled cavities where the central one contains an interacting two-level system in the strong and ultrastrong coupling regimes. We find that an inhomogeneously coupled array forbids…

Quantum Physics · Physics 2014-02-05 S. Felicetti , G. Romero , D. Rossini , R. Fazio , E. Solano