Photonic materials in circuit quantum electrodynamics

Carusotto, Iacopo; Houck, Andrew; Kollár, Alicia J.; Roushan, P.; Schuster, David I.; Simon, Jonathan

doi:10.1038/s41567-020-0815-y

Cited by 186 publications

(145 citation statements)

References 147 publications

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“…We note, that the ansatz (10) and (12), where the eigenstate ψ (j) does not take into account the interaction effects, works only for the transformed Schrödinger Eq. (9).…”

Section: Analytical Model For Polariton-polariton Interactionsmentioning

confidence: 99%

“…A closely related subfield with growing theoretical and experimental interest is waveguide QED 4,5 , which studies one-dimensional arrays of natural or artificial atoms coupled to a waveguide. Existing platforms for waveguide QED systems include cold atoms 6 , defect centers 7 , superconducting qubits 2,3,[8][9][10][11][12] , and emerging structures based on exciton-polaritons 13 .…”

Section: Introductionmentioning

confidence: 99%

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Quantum Hall phases emerging from atom–photon interactions

Poshakinskiy

Zhong

et al. 2021

npj Quantum Inf

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We reveal the emergence of quantum Hall phases, topological edge states, spectral Landau levels, and Hofstadter butterfly spectra in the two-particle Hilbert space of an array of periodically spaced two-level atoms coupled to a waveguide (waveguide quantum electrodynamics). While the topological edge states of photons require fine-tuned spatial or temporal modulations of the parameters to generate synthetic magnetic fields and the quantum Hall effect, here we demonstrate that a synthetic magnetic field can be self-induced solely by atom–photon interactions. The fact that topological order can be self-induced in what is arguably the simplest possible quantum structure shows the richness of these waveguide quantum electrodynamics systems. We believe that our findings will advance several research disciplines including quantum optics, many-body physics, and nonlinear topological photonics, and that it will set an important reference point for the future experiments on qubit arrays and quantum simulators.

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“…We note, that the ansatz (10) and (12), where the eigenstate ψ (j) does not take into account the interaction effects, works only for the transformed Schrödinger Eq. (9).…”

Section: Analytical Model For Polariton-polariton Interactionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Quantum Hall phases emerging from atom–photon interactions

Poshakinskiy

Zhong

et al. 2021

npj Quantum Inf

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show abstract

“…These fluids can mimic quantum phases of matter such as the Mott insulator, the Tonks-Girardeau gas, and the fractional quantum Hall state [6,7]. Examples of such states have been created using microwave photons in circuit quantum electrodynamics, but demonstrations are so far limited to fluids with a small number of photons [8]. The approach of Tan and colleagues holds potential for scaling up to macroscopic fluids containing many photons.…”

Section: Ino-cnr Bec Center and Department Of Physics University Ofmentioning

confidence: 99%

Material Makes Photons Bulky

Carusotto

2020

Physics

Self Cite

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“…While borrowed a variety of ideas from atomic cavity QED [ 30 ] in its early development, SQC has now become an independent research field due to its unprecedented advantages including the strong nonlinearity at the single photon level, the long coherence times, the flexibility in circuit design, the detailed control of atom‐photon interaction at the quantum level, and the scalability based on current microelectronic technology. [ 34–36 ] Recently, it has been realized that the above mentioned merits are also essential for the synthesization of photonic metamaterial in the microwave regime and the quantum simulation of various complicated many‐body effects. For the purpose of quantum simulation, individual SQC elements such as superconducting TLRs or qubits play the role of the bosons and/or fermions in lattice models, and the inter‐site coupling is established through the connection of the SQC elements via various kinds of couplers.…”

Section: Introductionmentioning

confidence: 99%

Topological Photonics on Superconducting Quantum Circuits with Parametric Couplings

Xue

2021

Adv Quantum Tech

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Topological phases of matter are an exotic phenomenon in modern condensed matter physics, which has attracted much attention due to the unique boundary states and transport properties. Recently, this topological concept in electronic materials has been exploited in many other fields of physics. Motivated by designing and controlling the behavior of electromagnetic waves in optical, microwave, and sound frequencies, topological photonics emerges as a rapid growing research field. Due to the flexibility and diversity of superconducting quantum circuits system, it is a promising platform to realize exotic topological phases of matter and to probe and explore topologically‐protected effects in new ways. Here, theoretical and experimental advances of topological photonics on superconducting quantum circuits—via the experimentally demonstrated parametric tunable coupling techniques, including using of the superconducting transmission line resonator, superconducting qubits, and their coupled system—are reviewed. On superconducting circuits, the flexible interactions and intrinsic nonlinearity make topological photonics in this system not only a simple photonic analog of topological effects for novel devices, but also a realm of exotic but less‐explored fundamental physics.

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Photonic materials in circuit quantum electrodynamics

Cited by 186 publications

References 147 publications

Quantum Hall phases emerging from atom–photon interactions

Quantum Hall phases emerging from atom–photon interactions

Material Makes Photons Bulky

Topological Photonics on Superconducting Quantum Circuits with Parametric Couplings

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