A Strongly Interacting Polaritonic Quantum Dot
arXiv:1705.07475 · doi:10.1038/s41567-018-0071-6
Abstract
Polaritons are an emerging platform for exploration of synthetic materials [1] and quantum information processing [2] that draw properties from two disparate particles: a photon and an atom. Cavity polaritons are particularly promising, as they are long-lived and their dispersion and mass are controllable through cavity geometry [3]. To date, studies of cavity polaritons have operated in the mean-field regime, using short-range interactions between their matter components [4]. Rydberg excitations have recently been demonstrated as a promising matter-component of polaritons [5], due to their strong interactions over distances large compared to an optical wavelength. In this work we explore, for the first time, the cavity quantum electrodynamics of Rydberg polaritons, combining the non-linearity of polaritonic quantum wires with the zero-dimensional strong coupling of an optical resonator. We assemble a quantum dot composed of strongly interacting, Rydberg-dressed Rb atoms in a cavity, and observe blockaded polariton transport as well as coherent quantum dynamics of a single polaritonic super-atom. This work establishes a new generation of photonic quantum information processors and quantum materials, along with a clear path to topological quantum matter [6].
6 pages, 4 figues. SI: 11 pages, 8 figures
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- Topological Photonics
- Observation of Laughlin states made of light
- Quantum-correlated photons from semiconductor cavity polaritons
- Quantum reservoir processing
- Probing the Berry Curvature and Fermi Arcs of a Weyl Circuit
- Conventional and unconventional photon statistics
- Strong interactions between dipolar polaritons
- Critical Response of a Quantum van der Pol Oscillator
- Quantum-Logic Gate between Two Optical Photons with an Average Efficiency above 40%
- Dynamical blockade in a single mode bosonic system
- The Excitation Ladder of Cavity Polaritons
- Measuring Electromagnetic and Gravitational Responses of Photonic Landau Levels
- Nonlinear optics in the fractional quantum Hall regime
- Simulating Photodissociation Reactions in Bad Cavities with the Lindblad Equation
- Observation of Multimode Strong Coupling of Cold Atoms to a 30-m Long Optical Resonator
- Giant Enhancement of Unconventional Photon Blockade in a Dimer Chain
- A high-cooperativity confocal cavity QED microscope
- Photon propagation through dissipative Rydberg media at large input rates
- Electric fields for light: Propagation of microwave photons along a synthetic dimension
- High finesse bow-tie cavity for strong atom-photon coupling in Rydberg arrays
- Superpolynomial Quantum Enhancement in Polaritonic Neuromorphic Computing
- Quantum Optics with Rydberg Superatoms
- Limit Cycle Phase and Goldstone Mode in Driven Dissipative Systems
- Non-equilibrium strong-coupling theory for a driven-dissipative ultracold Fermi gas in the BCS-BEC crossover region
- Quantum many-body dynamics of driven-dissipative Rydberg polaritons
- Nonclassical Light from Exciton Interactions in a Two-Dimensional Quantum Mirror
- Adiabatic flux insertion and growing of Laughlin states of cavity Rydberg polaritons
- Multimode-polariton superradiance via Floquet engineering
- Directly observing replica symmetry breaking in a vector quantum-optical spin glass
- Stabilizing the Laughlin state of light: dynamics of hole fractionalization
- 30-Fold Increase in Atom-Cavity Coupling Using a Parabolic Ring Cavity
- Tunable atom-cavity interactions with configurable atomic chains
- Understanding the Nature of Mean-Field Semiclassical Light-Matter Dynamics: An Investigation of Energy Transfer, Electron-Electron Correlations, External Driving and Long-Time Detailed Balance
- Tunable three-body loss in a nonlinear Rydberg medium
- Interplay between polarization and quantum correlations of confined polaritons
- Image amplification in a self-imaging degenerate optical cavity
- Long-lived collective Rydberg excitations in atomic gas achieved via ac-Stark lattice modulation
- Exotic photonic molecules via Lennard-Jones-like potentials
- Efficiently verifiable quantum advantage on near-term analog quantum simulators
- Resonant enhancement of three-body loss between strongly interacting photons
- Variational analysis of driven-dissipative bosonic fields
- Diagrammatic treatment of few-photon scattering from a Rydberg blockaded atomic ensemble in a cavity
- Optimizing decoherence in the generation of optical Schrödinger cat states
- Quantization of Polaritons Confined in Dielectric Structures
- Long-Range Blockade Between Counter-Propagating Photons