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We describe a chip-based, solid-state analogue of cavity-QED utilizing acoustic phonons instead of photons. We show how long-lived and tunable acceptor impurity states in silicon nanomechanical cavities can play the role of a matter…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Rusko Ruskov , Charles Tahan

InAs/GaAs quantum dots (QDs) and quantum dot molecules (QDMs) are self-assembled semiconductor nanostructures that can trap a single electron or hole with well-defined spin projections. QDs and QDMs have excellent optical properties and…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Xiangyu Ma , Yuejing Wang , Joshua Zide , Matthew Doty

Measured and calculated results are presented on the emission properties of a new class of emitters operating in the cavity quantum electrodynamics regime. The structures are based on high-finesse GaAs/AlAs micropillar cavities, each with…

Mesoscale and Nanoscale Physics · Physics 2018-01-04 S. Kreinberg , W. W. Chow , J. Wolters , C. Schneider , C. Gies , F. Jahnke , S. Höfling , M. Kamp , S. Reitzenstein

We propose an all-optical Moir\'e-like exciton confinement by means of spatially periodic optical cavities. Such periodic photonic structures can control the material properties by coupling the matter excitations to the confined photons and…

Materials Science · Physics 2025-08-05 Francesco Troisi , Hannes Hübener , Angel Rubio , Simone Latini

We theoretically investigate optical bistability, mechanically induced absorption (MIA) and Fano resonance of a hybrid system comprising of a single quantum dot (QD) embedded in a solid state microcavity interacting with the quantized…

Quantum Physics · Physics 2019-11-28 Vijay Bhatt , Sabur A. Barbhuiya , Pradip K. Jha , Aranya B. Bhattacherjee

We demonstrate a many-atom-cavity system with a high-finesse dual-wavelength standing wave cavity in which all participating rubidium atoms are nearly identically coupled to a 780-nm cavity mode. This homogeneous coupling is enforced by a…

Atomic Physics · Physics 2014-06-30 Jongmin Lee , Geert Vrijsen , Igor Teper , Onur Hosten , Mark A. Kasevich

A promising approach to merge atomic systems with scalable photonics has emerged recently, which consists of trapping cold atoms near tapered nanofibers. Here, we describe a novel technique to achieve strong, coherent coupling between a…

Quantum Physics · Physics 2015-06-03 D. E. Chang , L. Jiang , A. V. Gorshkov , H. J. Kimble

We review a novel method for characterizing both the spectral and spatial properties of resonant cavities within two-dimensional photonic crystals (PCs). An optical fiber taper serves as an external waveguide probe whose micron-scale field…

High-dimensional quantum systems have been used to reveal interesting fundamental physics and to improve information capacity and noise resilience in quantum information processing. However, it remains a significant challenge to realize…

Quantum Physics · Physics 2024-04-24 Mingyuan Chen , Jiangshan Tang , Miao Cai , Franco Nori , Keyu Xia

Cavity quantum electrodynamics (QED) manipulates the coupling of light with matter, and allows for several emitters to couple coherently with one light mode. However, even in a many-body system, the light-matter coupling mechanism was so…

Quantum Gases · Physics 2021-11-10 Hideki Konishi , Kevin Roux , Victor Helson , Jean-Philippe Brantut

Nonlinear optical signals from an assembly of N noninteracting particles consist of an incoherent and a coherent component, whose magnitudes scale \sim N and \sim N(N-1), respectively. A unified microscopic description of both types of…

Quantum Physics · Physics 2009-11-13 Christoph A. Marx , Upendra Harbola , Shaul Mukamel

A system of magnetic molecules coupled to microwave cavities ($LC$ resonators) undergoes the equilibrium superradiant phase transition. The transition is experimentally observable. The effect of the coupling is first illustrated by the…

Quantum Physics · Physics 2021-10-14 Juan Román-Roche , Fernando Luis , David Zueco

Hybrid circuit quantum electrodynamics (QED) involves the study of coherent quantum physics in solid state systems via their interactions with superconducting microwave circuits. Here we present an implementation of a hybrid superconducting…

By modeling the coupling of multiple superconducting qubits to a single cavity in the circuit-quantum electrodynamics (QED) framework we find that it should be possible to observe superradiance and phase multistability using currently…

Quantum Physics · Physics 2015-05-19 Michael Delanty , Stojan Rebic , Jason Twamley

The scalability of quantum photonic integrated circuits opens the path towards large-scale quantum computing and communication. To date, this scalability has been limited by the stochastic nature of the quantum light sources. Moreover,…

We describe an ion-based cavity-QED system in which the internal dynamics of an atom is coupled to the modes of an optical cavity by vacuum-stimulated Raman transitions. We observe Raman spectra for different excitation polarizations and…

We demonstrate the remote all-optical control of the spontaneous emission (SE) of quantum dots using coupled photonic crystal cavities. By spectrally tuning a Fabry-Perot cavity in resonance with a target cavity, the quality factor and the…

Mesoscale and Nanoscale Physics · Physics 2012-11-20 C. Y. Jin , M. Y. Swinkels , R. Johne , T. B. Hoang , L. Midolo , P. J. van Veldhoven , A. Fiore

A distributed network architecture in which flying photons connect individual modules containing stationary atomic qubits is a promising approach for scaling up neutral-atom based quantum-computing platforms. We consider an all-fiber based…

Quantum Physics · Physics 2026-02-02 Tim Keller , Seigo Kikura , Rui Asaoka , Yasunari Suzuki , Yuuki Tokunaga , Takao Aoki

In the context of quantum metrology, optical cavity-QED platforms have primarily been focused on the generation of entangled atomic spin states useful for next-generation frequency and time standards. Here, we report a complementary…

A dielectric vertical cavity is used to study the spin dynamics of molecularly self-assembled colloidal CdSe quantum dots (QDs). Using this structure, a nearly 30-fold enhancement of Faraday rotation is observed, which scales with the…

Materials Science · Physics 2007-05-23 D. W. Steuerman , Y. Q. Li , J. Berezovsky , D S. Seferos , G C. Bazan , D. D. Awschalom