Frequency-tunable superconducting cloaking

Li, Peining; Liu, Youwen; Meng, Yunji; Zhu, Mingjun

doi:10.1088/0022-3727/43/48/485401

Cited by 12 publications

(5 citation statements)

References 25 publications

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“…The relevance of various factors on the adhesion of a thin plate (graphene) with Young's modulus E to a rough surface can be described to leading order by an adhesion parameter [42]: A series of recent studies consider an idealized scenario with roughness described by a one-dimensional sinusoid (with amplitude A and wavelength ) and neglect stretching of the graphene sheet. In this case analytical, although complex, solutions can be obtained for equilibrium configurations and the effective adhesion energy [33,35,43].…”

Section: Theory and Modeling Graphene Adhesionmentioning

confidence: 99%

Adhesion mechanics of graphene membranes

Bunch

Dunn

2012

Solid State Communications

123

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The interaction of graphene with neighboring materials and structures plays an important role in its behavior, both scientifically and technologically. The interactions are complicated due to the interplay between surface forces and possibly nonlinear elastic behavior. Here we review recent experimental and theoretical advances in the understanding of graphene adhesion. We organize our discussion into experimental and theoretical efforts directed toward: graphene conformation to a substrate, determination of adhesion energy, and applications where graphene adhesion plays an important role. We conclude with a brief prospectus outlining open issues.Comment: Review article to appear in special issue on graphene in Solid State Communication

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Section: Theory and Modeling Graphene Adhesionmentioning

confidence: 99%

Adhesion mechanics of graphene membranes

Bunch

Dunn

2012

Solid State Communications

123

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“…67 The temperaturetunable dielectric properties of superconductors play a central role in a proposed superconducting cloaking structure in the THz regime. 68 The kinetic inductance of superconductors is strongly tunable, particularly in thin film structures (with at least one dimension on the order of the superconducting penetration depth) as a function of temperature. Such tuning has been accomplished at THz frequencies by varying temperature in HTS 20 and NbN thin film SRRs.…”

Section: Nonlinearity Tunability Switching and Texturing Of Metamater...mentioning

confidence: 99%

“…The nonlinearity associated with the sharp resistive transition of the superconductor was exploited to bolometrically detect millimeter-wave radiation using the collective properties of arrays of Nb ASRs [66]. The temperature-tunable dielectric properties of superconductors play a central role in a proposed superconducting cloaking structure in the THz regime [67].…”

Section: Nonlinearity Tunability Switching and Texturing Of Metamater...mentioning

confidence: 99%

Progress in superconducting metamaterials

Jung

Ustinov

Anlage

2014

Supercond. Sci. Technol.

134

127

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We review progress in the development and applications of superconducting metamaterials. The review is organized in terms of several distinct advantages and unique properties brought to the metamaterials field by superconductivity. These include the lowloss nature of the meta-atoms, their compact structure, their extraordinary degree of nonlinearity and tunability, magnetic flux quantization and the Josephson effect, quantum effects in which photons interact with quantized energy levels in the meta-atom, as well as strong diamagnetism.

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“…Cavity optomechanical system (OMS) [ 16–19 ] offers an alternative platform for the precision measurements of mass, [ 20–22 ] weak forces, [ 23–27 ] and magnetic fields. [ 28–33 ] Particularly, optomechanical magnetometer with high precision has excellent quality of on‐chip integration.…”

Section: Introductionmentioning

confidence: 99%

Quantum Magnetometer with Dual‐Coupling Optomechanics

Zhu

Liu

et al. 2022

Laser & Photonics Reviews

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An experimentally feasible magnetometer based on a dual‐coupling optomechanical system is proposed, where the radiation‐pressure coupling transduces the magnetic signal to the optical phase, and the quadratic optomechanical interaction induces a periodic squeezing effect. The latter not only amplifies the signal to be measured, but also accelerates the signal transducing rate characterized by an experimentally observable phase accumulation efficiency. In the vicinity of opto‐mechanical decoupled time, the ultimate bound to the estimability of magnetic signal is proportional to expfalse(−6rfalse)$\exp (-6r)$, and then the optimized accuracy of estimation can be enhanced nearly three orders with a controllable squeezing parameter r<1$r<1$. Moreover, this proposal is robust against the mechanical thermal noise, and the sensitivity of a specific measurement can reach to the order of 10−17normalTfalse(Hzfalse)−1${10}^{-17}\mathrm{T}{(\sqrt{\mathrm{Hz}})}^{-1}$ in the presence of dissipations and without ground state cooling of mechanical oscillator. The proposal fundamentally broadens the fields of quantum metrology and cavity optomechanics, with the potential application for on‐chip magnetic detection with high precision.

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Frequency-tunable superconducting cloaking

Cited by 12 publications

References 25 publications

Adhesion mechanics of graphene membranes

Adhesion mechanics of graphene membranes

Progress in superconducting metamaterials

Quantum Magnetometer with Dual‐Coupling Optomechanics

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