279 citations · 5.3k across the 143 of their papers we have counts for
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Effects of Strong Capacitive Coupling Between Meta-Atoms in rf SQUID Metamaterials
Jingnan Cai, Robin Cantor, Johanne Hizanidis +2
We consider, for the first time, the effects of strong capacitive and inductive coupling between radio frequency Superconducting Quantum Interference Devices (rf SQUIDs) in an over…
Disentangling superconductor and dielectric microwave losses in sub-micron / interconnects using a multi-mode microstrip resonator
Cougar A. T. Garcia, Nancyjane Bailey, Chris Kirby +4
Understanding the origins of power loss in superconducting interconnects is essential for the energy efficiency and scalability of superconducting digital logic. At microwave frequ…
Anomalous Loss Reduction Below Two-Level System Saturation in Aluminum Superconducting Resonators
Tamin Tai, Jingnan Cai, Steven M. Anlage
Superconducting resonators are widely used in many applications such as qubit readout for quantum computing, and kinetic inductance detectors. These resonators are susceptible to n…
Large Microwave Inductance of Granular Boron-Doped Diamond Superconducting Films
Bakhrom Oripov, Dinesh Kumar, Cougar Garcia +4
Boron-doped diamond granular thin films are known to exhibit superconductivity with an optimal critical temperature of Tc = 7.2K. Here we report the measured complex surface impeda…
Microwave Superconductivity
Steven M. Anlage
We give a broad overview of the history of microwave superconductivity and explore the technological developments that have followed from the unique electrodynamic properties of su…
Tunable Superconducting Josephson Dielectric Metamaterial
Melissa Trepanier, Daimeng Zhang, Lyudmila Filippenko +2
We demonstrate a low-dissipation dielectric metamaterial with tunable properties based on the Josephson effect. Superconducting wires loaded with regularly spaced Josephson junctio…
Anomalous normal fluid response in a chiral superconductor UTe2
Seokjin Bae, Hyunsoo Kim, Yun Suk Eo +6
A chiral superconductor has been proposed as one pathway to realize topological quantum computation utilizing the predicted Majorana normal fluid at its boundary (i.e., a point, ed…
Time-dependent Ginzburg-Landau treatment of RF Magnetic Vortices in Superconductors: Vortex-Semiloops in a Spatially Nonuniform Magnetic Field
Bakhrom Oripov, Steven Anlage
We apply time-dependent Ginzburg Landau (TDGL) numerical simulations to study the finite frequency electrodynamics of superconductors subjected to intense rf magnetic field. Much r…
Point Node Gap Structure of Spin-Triplet Superconductor UTe2
Tristin Metz, Seokjin Bae, Sheng Ran +7
Low-temperature electrical and thermal transport, magnetic penetration depth, and heat capacity measurements were performed on single crystals of the actinide superconductor UTe2 t…
High Frequency Nonlinear Response of Superconducting Cavity-Grade Nb surfaces
Bakhrom Oripov, Thomas Bieler, Gianluigi Ciovati +9
Nb Superconducting Radio-Frequency (SRF) cavities are observed to break down and lose their high-Q superconducting properties at accelerating gradients below the limits imposed by…
Microwave Meissner Screening of Proximity coupled Topological Insulator / Superconductor Bilayers
Seokjin Bae, Seunghun Lee, Xiaohang Zhang +2
The proximity coupled topological insulator / superconductor (TI/SC) bilayer system is a representative system to realize topological superconductivity. In order to better understa…
Dielectric Resonator Method For Determining Gap Symmetry Of Superconductors Through Anisotropic Nonlinear Meissner Effect
Seokjin Bae, Yuewen Tan, Alexander P Zhuravel +6
We present a new measurement method which can be used to image gap nodal structure of superconductors whose pairing symmetry is under debate. This technique utilizes a high quality…
Imaging collective behavior in an rf-SQUID metamaterial tuned by DC and RF magnetic fields
Alexander P. Zhuravel, Seokjin Bae, Alexander V. Lukashenko +3
We examine the collective behavior of two-dimensional nonlinear superconducting metamaterials using a non-contact spatially resolved imaging technique. The metamaterial is made up…
Imaging the paramagnetic nonlinear Meissner effect in nodal gap superconductor
Alexander P. Zhuravel, Seokjin Bae, Sergey N. Shevchenko +4
Boundary surfaces of nodal gap superconductors can host Andreev bound states (ABS) which develop a paramagnetic response under external RF field in contrast to the bulk diamagnetic…
Coherent Oscillations of Driven rf SQUID Metamaterials
Melissa Trepanier, Daimeng Zhang, Oleg Mukhanov +7
Through experiments and numerical simulations we explore the behavior of rf SQUID (radio frequency superconducting quantum interference device) metamaterials, which show extreme tu…
Intermodulation in Nonlinear SQUID Metamaterials: Experiment and Theory
Daimeng Zhang, Melissa Trepanier, Thomas Antonsen +2
The response of nonlinear metamaterials and superconducting electronics to two-tone excitation is critical for understanding their use as low-noise amplifiers and tunable filters.…
Localized High Frequency Electrodynamic Behavior of Optimally-doped Ba(FeCo)As Single Crystal films
Tamin Tai, Behnood G. Ghamsari, J. H. Kang +3
Localized high frequency (several GHz) electrodynamic properties of a high quality epitaxial, single-crystal Iron-Pnicitde Ba(FeCo)As thin film near optimal dop…
Nanoscale Nonlinear Radio Frequency Properties of Bulk Nb : Origins of Extrinsic Nonlinear Effects
Tamin Tai, B. G. Ghamsari, T. Bieler +1
The performance of Niobium-based Superconducting Radio Frequency (SRF) particle accelerator cavities can be sensitive to localized defects that give rise to quenches at high accele…
Tunable Broadband Transparency of Macroscopic Quantum Superconducting Metamaterials
Daimeng Zhang, Melissa Trepanier, Oleg Mukhanov +1
Narrow-band invisibility in an otherwise opaque medium has been achieved by electromagnetically induced transparency (EIT) in atomic systems. The quantum EIT behaviour can be class…
Tunable negative permeability in a three-dimensional superconducting metamaterial
C. Kurter, T. Lan, L. Sarytchev +1
We report on highly tunable radio frequency (rf) characteristics of a low-loss and compact three dimensional (3D) metamaterial made of superconducting thin film spiral resonators.…
Superconductive Ultra-compact Magnetically Coupled Resonator with Twin-spiral Structure
A. S. Averkin, A. P. Zhuravel, A. Karpov +2
We describe a practical design of an ultra-compact on-chip superconductive micro-resonator as a potential magnetic element of metamaterial. The achieved resonator size with respect…
Progress in Superconducting Metamaterials
Philipp Jung, Alexey V. Ustinov, Steven M. Anlage
We review progress in the development and applications of superconducting metamaterials. The review is organized in terms of several distinct advantages and unique properties broug…
Microwave Nonlinearity and Photoresponse of Superconducting Resonators with Columnar Defect Micro-Channels
S. K. Remillard, D. Kirkendall, G. Ghigo +9
Micro-channels of nanosized columnar tracks were planted by heavy-ion irradiation into superconducting microwave microstrip resonators that were patterned from YBa2Cu3O7-x thin fil…
Modeling the nanoscale linear response of superconducting thin films measured by a scanning probe microwave microscope
Tamin Tai, B. G. Ghamsari, Steven M. Anlage
A localized and strong RF magnetic field, created by a magnetic write head, is used to examine the linear electrodynamic properties of a Nb superconducting film. The complex reflec…