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During the COVID-19 pandemic, medical facilities began using 3D printed PPE sourced from their own print labs, makerspaces, universities, and individuals with 3D printers to fill the gaps in supply as traditional manufacturing was not…

Medical Physics · Physics 2021-04-14 Hannelore Hemminger , Xiaoyu , Zheng

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 superconductors. Their low loss properties enable resonators…

Superconductivity · Physics 2021-01-13 Steven M. Anlage

We present superconducting monocrystalline Silicon On Insulator thin 33 nm epilayers. They are obtained by nanosecond laser annealing under ultra-high vacuum on 300 mm wafers heavily pre-implantated with boron ($2.5\times \,10^{16}\,…

We demonstrate 3D microwave projection sideband cooling of trapped, neutral atoms. The technique employs state-dependent potentials that enable microwave photons to drive vibration-number reducing transitions. The particular cooling…

Quantum Gases · Physics 2012-03-12 Xiao Li , Theodore A. Corcovilos , Yang Wang , David S. Weiss

Diamond has always been adored as a jewel. Even more fascinating is its outstanding physical properties; it is the hardest material known in the world with the highest thermal conductivity. Meanwhile, when we turn to its electrical…

Superconductivity · Physics 2007-05-23 Y. Takano , M. Nagao , K. Kobayashi , H. Umezawa , I. Sakaguchi , M. Tachiki , T. Hatano , H. Kawarada

With the aid of COMSOL multiphysics simulations, a compact microwave plasma reactor operated at 2.45 GHz frequency has been designed for diamond film deposition. The reactor consists of a cylindrical cavity that resonates in the fundamental…

Superconducting microwave amplifiers are essential for sensitive signal readout in superconducting quantum processors. Typically based on Josephson Junctions, these amplifiers require operation at milli-Kelvin temperatures to achieve…

Quantum Physics · Physics 2023-08-07 Mingrui Xu , Yufeng Wu , Wei Dai , Hong X. Tang

Low-loss cavities are important in building high-coherence superconducting quantum computers. Generating high quality joints between parts is crucial to the realization of a scalable quantum computer using the circuit quantum…

Applied Physics · Physics 2020-04-27 Chan U Lei , Lev Krayzman , Suhas Ganjam , Luigi Frunzio , Robert J. Schoelkopf

A microwave memory using a superconducting artificial chiral atom embedded in a one-dimensional open transmission line is theoretically investigated. By applying a coupling field to a single artificial atom, we modify its dispersion,…

Quantum Physics · Physics 2025-03-26 Kai-I Chu , Yung-Fu Chen , Wen-Te Liao

We investigate the microwave magnetic field confinement in several microwave 3D-cavities, using 3D finite-element analysis to determine the best design and achieve strong coupling between microwave resonant cavity photons and solid state…

Quantum Physics · Physics 2016-11-03 J-M. Le Floch , N. Delhote , M. Aubourg , V. Madrangeas , D. Cros , S. Castelletto , M. E. Tobar

This paper presents a review on the superplastic forming of Ti-6Al-4V alloy, which has been used to manufacture parts of complex shapes and geometries. This paper outlines the major work carried out on this front in the past three decades.…

Applied Physics · Physics 2022-03-14 Akhil Agnihotri , Sai Akula Pratyush , Amit Kumar Gupta

Metal-Insulator-Metal (MIM) plasmonic structures can confine electromagnetic waves to a deep subwavelength regime, enabling strong light-matter interactions with potential applications in nonlinear optics and on-chip photonic circuitry. In…

Superconducting thin films of MgB2 were deposited by Pulsed Laser Deposition on magnesium oxide and sapphire substrates. Samples grown at 450C in an argon buffer pressure of about 10-2 mbar by using a magnesium enriched target resulted to…

We describe a method for fabrication of uniform aluminum nanowires with diameters below 15 nm. Electron beam lithography is used to define narrow wires, which are then etched using a sodium bicarbonate solution, while their resistance is…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 T. Morgan-Wall , H. J. Hughes , N. Hartman , T. M. McQueen , N. Markovic

$MgB_2$ becomes superconducting just below 40 K. Whereas porous polycrystalline samples of $MgB_2$ can be synthesized from boron powders, in this letter we demonstrate that dense wires of $MgB_2$ can be prepared by exposing boron filaments…

In the present work, we report the synthesis of Pb-Bi alloy with enhanced Tc of up to 9K, which is higher than that of Pb. The alloy is synthesized via a solid-state reaction route in the vacuum-encapsulated quartz tube at 7000C in an…

Superconductivity · Physics 2024-07-02 N. K. Karn , Kapil Kumar , Naveen Kumar , Yogesh Kumar , M. M. Sharma , Jin Hu , V. P. S. Awana

The technological and metallurgical requirements of material for highgradient superconducting cavities are described. High-purity niobium, as the preferred metal for the fabrication of superconducting accelerating cavities, should meet…

Accelerator Physics · Physics 2015-01-29 W Singer

We have designed superinductors made of strongly disordered superconductors for implementation in "hybrid" superconducting quantum circuits. The superinductors have been fabricated as meandered nanowires made of granular Aluminum films.…

Mesoscale and Nanoscale Physics · Physics 2020-05-25 Plamen Kamenov , Wen-Sen Lu , Konstantin Kalashnikov , Thomas DiNapoli , Matthew T. Bell , Michael E. Gershenson

We have reproducibly grown near-single-domain superconducting aluminum (Al) films on GaAs(111)A wafers using molecular beam epitaxy. Synchrotron X-ray diffraction revealed twin-domain ratios of 0.00005 and 0.0003 for 19.4-nm- and…

We present a method for relieving aluminum 3D transmon qubits from a silicon substrate using micromachining. Our technique is a high yield, one-step deep reactive ion etch that requires no additional fabrication processes, and results in…

Quantum Physics · Physics 2016-10-12 Y. Chu , C. Axline , C. Wang , T. Brecht , Y. Y. Gao , L. Frunzio , R. J. Schoelkopf