Superconductive Ultracompact Magnetically Coupled Resonator With Twin-Spiral Structure

Averkin, A. S.; Karpov, A.; Zhuravel, A. P.; Filippenko, L. V.; Koshelets, V. P.; Anlage, Steven M.; Ustinov, A. V.

doi:10.1109/tasc.2017.2659225

Cited by 3 publications

(8 citation statements)

References 12 publications

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“…A similar type of waveguide was recently used for a study of the collective response of a SQUID array in Ref. 18 Note that the HFSS simulated (see Fig.S4(d)) and measured (see Fig.S4(b)) transmission through the empty waveguide demonstrate almost identical features. In particular the microwave transmission properties of the waveguide are not severely compromised by the presence of the quartz rod or hole in the wall of the waveguide.…”

Section: S3 Cryogenic Rf Waveguide With Optical Accessmentioning

confidence: 79%

Imaging collective behavior in an rf-SQUID metamaterial tuned by DC and RF magnetic fields

Zhuravel

Bae

Lukashenko

et al. 2019

Applied Physics Letters

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We examine the collective behavior of two-dimensional nonlinear superconducting metamaterials using a non-contact spatially resolved imaging technique. The metamaterial is made up of sub-wavelength nonlinear microwave oscillators in a strongly coupled 27×27 planar array of radio-frequency Superconducting QUantum Interference Devices (rf-SQUIDs). By using low-temperature laser scanning microscopy we image microwave currents in the driven SQUIDs while in non-radiating dark modes and identify the clustering and uniformity of like-oscillating meta-atoms. We follow the rearrangement of coherent patterns due to meta-atom resonant frequency tuning as a function of external dc and rf magnetic flux bias. We find that the rf current distribution across the SQUID array at zero dc flux and small rf flux reveals a low degree of coherence. By contrast, the spatial coherence improves dramatically upon increasing of rf flux amplitude, in agreement with simulation.Planar arrays of deep sub-wavelength dimension superconducting (SC) resonators have recently gained increasing attention due to their potential use as nonlinear metamaterials, i.e., engineered media whose electromagnetic response can differ dramatically from natural materials. Arrays of coupled SC resonators can be used for controllable routing and manipulating electromagnetic wave propagation in the range from radio-frequency (rf) 1,2 through the THz 3,4 domain. Demonstrated effects include electromagnetically 5 and self-induced broadband transparency, 6 negative magnetic permeability, 7 polarization rotation, 8 Fano resonance, 9 and multi-stable states. 10 Extensive progress on the development and applications of SC metamaterials has been achieved. 2,[11][12][13][14][15][16][17][18][19][20] It has been shown that such SC structures have significant advantages over their normal-metal counterparts allowing reduced losses by several orders of magnitude, shrinking the size of artificial meta-atoms, and achieving tunable frequency of operation by means of macroscopic quantum phenomena. 16,20 Traditional SC metamaterials are composed of ultracompact, self-resonating spirals and split-ring resonators (SRR) of different design. 1,15,16,18,21 Potentially, these structures could be used for switching, 5,10,22 as well as for tuning, by virtue of the dynamic range of well controllable manipulation of their resonances with external stimuli. 23,24 There has been great interest in using radio-frequency Superconducting QUantum Interference Devices: rf-SQUIDs as meta-atoms. 2,7,11,12,16,19,20,22,25,26 Contrary to the SRR and SC spiral, the rf-SQUID incorporates an extremely tunable nonlinear inductor, arising from the Josephson effect, when a Josephson junction is incorporated into a SC loop. The loop geometry adds the macroscopic quantum property of flux quantization, which in turn allows one to conveniently control the Josephson inductance through the magnetic flux applied to the loop. 27 The benefits of the rf-SQUID system were originally presented theoretically in the context of a...

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Section: S3 Cryogenic Rf Waveguide With Optical Accessmentioning

confidence: 79%

Imaging collective behavior in an rf-SQUID metamaterial tuned by DC and RF magnetic fields

Zhuravel

Bae

Lukashenko

et al. 2019

Applied Physics Letters

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“…• Spiral-shaped planar structures find applications in superconducting nanowire single-photon detectors in the optical and near-infrared range, [670,671,702] as well as in superconducting resonators and metamaterials. [673,703,704] The absence of sharp corners in the detector layout reduces current-crowding effects while the spiral geometry allows the detection efficiency to be independent of the polarization of light. [670,671,702] Spiral planar elements produce a flat spectral response of hot-electron bolometers in the THz frequency range [705] and allow for building low-loss radio frequency metamaterials and resonators.…”

Section: State Of the Artmentioning

confidence: 99%

“…[670,671,702] Spiral planar elements produce a flat spectral response of hot-electron bolometers in the THz frequency range [705] and allow for building low-loss radio frequency metamaterials and resonators. [673,704] Reproduced with permission. [62] Copyright 2012, American Chemical Society.…”

Section: State Of the Artmentioning

confidence: 99%

“…[637] Majorana quasi-particles possess a property of being their own antiparticles, that makes Majorana modes topologically protected and particularly attractive for decoherenceimmune and fault-tolerant quantum computing. [706] In 2D superconductors, the presence of such Majorana modes is Theory and experiment TDGL equation [652] Theory and experiment Tinkham's approach, e-beam lithography [653] Curved strip Theory Complex field approach [654,655] Theory TDGL equation [656] Cylinder Theory TDGL equation [649,656,657] Theory TDGL equation, cylinder with slit [62,63,658] Theory TDGL and London equations, LAMH theory [659] Theory TDGL equation, Runge-Kutta method [660] Theory Complex field approach [661] Theory COMSOL [662] Experiment He + FIBID [663] Experiment Ionic gating in chiral nanotubes of WS 2 [650] Experiment MOD, MOCVD of LZO and YBCO on RABITS [664] Experiment Rolled-up technology, hybrid rolled-up microtubes [28,665] Experiment Evaporation on rotating filaments [666] Theory and experiment Maxwell equations [667] Theory and experiment TDGL equation, evaporation on rotating filaments [668] Theory and experiment London equation, BCS theory, evaporation on cylindrical formers [669] Spiral Experiment E-beam lithography [670] Experiment E-beam lithography [671] Theory and experiment HFSS, photolithography [672,673] Theory and experiment Impedance matrix, photolithography [674,675] Helix Theory The model of Garber et al [676] [677] Theory TDGL equation [678] Experiment Rolled-up technology, COMSOL for self-heating …”

Section: State Of the Artmentioning

confidence: 99%

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New Dimension in Magnetism and Superconductivity: 3D and Curvilinear Nanoarchitectures

et al. 2021

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condensed matter physics, including cell membranes, [1] nematic crystals, [2,3] superfluids, [4] semiconductors, [5][6][7][8] ferromagnets, [9] and superconductors. [10,11] Currently, much attention is paid to strongly correlated electronic systems, for example, ferromagnets and superconductors, as they provide a unique tool to manipulate the topology of coexisting vector and scalar fields, associated with geometries of conventional systems.Until recently, in the case of magnetism, the influence of the geometry on the spin vector fields was addressed primarily by the design of the sample boundaries. This approach naturally brings the shape anisotropy to the system and leads to the formation of specific spin textures, for example, magnetic vortices [12] and antivortices [13] as well as provides control over the dynamics of the topologically nontrivial magnetic solitons. [14][15][16][17][18] This discussion also tackles the state of the art in modern experimental antiferromagnetism, where the design of the sample topography and boundaries allows to control the domain wall states. [19][20][21][22] With the development of novel fabrication techniques allowing to realize complex 3D architectures, not only the boundary effects but also the extrinsic geometrical properties (e.g., local curvatures) can be addressed rigorously for the case of ferromagnets [23][24][25][26][27] as well as superconductors. [28][29][30] The explored effects are directly related to the interplay between the Traditionally, the primary field, where curvature has been at the heart of research, is the theory of general relativity. In recent studies, however, the impact of curvilinear geometry enters various disciplines, ranging from solid-state physics over soft-matter physics, chemistry, and biology to mathematics, giving rise to a plethora of emerging domains such as curvilinear nematics, curvilinear studies of cell biology, curvilinear semiconductors, superfluidity, optics, 2D van der Waals materials, plasmonics, magnetism, and superconductivity. Here, the state of the art is summarized and prospects for future research in curvilinear solid-state systems exhibiting such fundamental cooperative phenomena as ferromagnetism, antiferromagnetism, and superconductivity are outlined. Highlighting the recent developments and current challenges in theory, fabrication, and characterization of curvilinear micro-and nanostructures, special attention is paid to perspective research directions entailing new physics and to their strong application potential. Overall, the perspective is aimed at crossing the boundaries between the magnetism and superconductivity communities and drawing attention to the conceptual aspects of how extension of structures into the third dimension and curvilinear geometry can modify existing and aid launching novel functionalities. In addition, the perspective should stimulate the development and dissemination of research and development oriented techniques to facilitate rapid transitions from laboratory demonstrations to industry-...

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“…application such as imaging, cloaking, and high-resolution synthetic holography is hampered by size of the metamolecules (unit cells) that are typically only a few times smaller than the wavelength of light at which resonant properties of metamaterial can be observed. Although in the microwave domain metamaterials lattice parameter orders or magnitude smaller than the resonant wavelength have been demonstrated, [5,6] in conventional optical and infrared metamaterial the unit cellto-wavelength ratio is typically in the range from one-fourth to one-half. While the effective medium approximation [7][8][9] is often used to describe overall properties of such metamaterials, their electromagnetic homogeneity is still far away from that of natural solids where the crystal lattice parameter to wavelength ratio is typically 10 −3 -10 −4 .…”

Section: Doi: 101002/adom202001652mentioning

confidence: 99%

Germanium‐on‐Carborundum Surface Phonon‐Polariton Infrared Metamaterial

Qiang

Dubrovkin

Krishnamoorthy

et al. 2020

Advanced Optical Materials

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Surface phonon‐polaritons in thin layers of high‐index dielectric structures are emerging as promising excitations for exploitation in high‐density photonic devices. Here, a mid‐infrared phononic–dielectric metamaterial, a 2D periodic array of germanium discs on silicon carbide (carborundum) is demonstrated. It is shown that the metamaterial can support sharp resonances at the free space wavelength that is at least ten times larger than lattice parameter of the array. With germanium discs of thickness 120 nm and diameter 1 µm, a metamaterial resonance at the wavelength of 11 µm is observed. A blueshift of the resonant frequency observed upon increase of the disk size is related to the anomalous dispersion of surface polaritons at germanium carborundum interface. It is argued that such surface phonon‐polariton metamaterial is a promising platform for applications where enhanced homogeneity of optical response is required, such as imaging, holography, and cloaking.

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Superconductive Ultracompact Magnetically Coupled Resonator With Twin-Spiral Structure

Cited by 3 publications

References 12 publications

Imaging collective behavior in an rf-SQUID metamaterial tuned by DC and RF magnetic fields

Imaging collective behavior in an rf-SQUID metamaterial tuned by DC and RF magnetic fields

New Dimension in Magnetism and Superconductivity: 3D and Curvilinear Nanoarchitectures

Germanium‐on‐Carborundum Surface Phonon‐Polariton Infrared Metamaterial

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